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Huy Phan, MD

Emergency Medicine · Redwood City

NPI 1609308733

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Office
1

Offices

1 location · Permanente Medical Group Inc · 10,928 clinicians in this group

Looking this up.

Hospitals listed: Bsa Hospital · Kaiser Foundation Hospital - Redwood City. That is not proof they admit you there this week.

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Phan’s office at (650) 299-2000 to ask if they take your plan before you enroll.

California Medical Board record

Licence A169286 · Current

Licensed to practise in California · since 2020 · expires 2028-07-31 · Donald and Barbara Zucker School of Medicine at Hofstra/Northwell.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

Hospitals they work in

2 hospitals

These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.

  • Bsa HospitalAmarillo, TXAcute Care Hospital · Proprietary · Has an emergency department · Birthing-friendlyPart of Ardent Health Services, which runs 31 hospitals in 5 statesPatients rate it 3 of 5 · 76% would definitely recommend it
    Overall rating: 2 of 5 starsWorse than the national rate — Postoperative hemorrhage or hematoma rate: 4.01 (2.76 to 5.26) · 2,934 cases, Jul 2022 – Jun 2024Better than the national rate — Clostridium Difficile (C.Diff): 0.348, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.129, Oct 2024 – Sep 2025Better than the national rate — SSI - Colon Surgery: 0.282, Oct 2024 – Sep 2025
  • Kaiser Foundation Hospital - Redwood CityRedwood City, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Kaiser Permanente, which runs 41 hospitals in 3 statesPatients rate it 4 of 5 · 80% would definitely recommend it
    Overall rating: 4 of 5 starsWorse than the national rate — SSI - Colon Surgery: 3.075, Oct 2024 – Sep 2025Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.064, Oct 2024 – Sep 2025
See every measure and the patient survey for Bsa Hospital

Behind the star rating — Deaths: 0 better, 7 the same, 1 worse of 8 measures. Safety: 4 better, 4 the same, 0 worse of 8 measures. Readmissions: 1 better, 9 the same, 1 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.

Every scored measure at Bsa Hospital
Postoperative hemorrhage or hematoma rateComplications and deaths4.01 (2.76 to 5.26) · 2,934 casesWorseJul 2022 – Jun 2024
Clostridium Difficile (C.Diff)Infections0.348BetterOct 2024 – Sep 2025
MRSA BacteremiaInfections0.129BetterOct 2024 – Sep 2025
SSI - Colon SurgeryInfections0.282BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.3 (0.47 to 2.13) · 2,188 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths1.19 (0.93 to 1.44)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths184.18 (142.97 to 225.39) · 142 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths4.8 · 146 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths11.7 · 198 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths13.2 · 372 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths11.4 · 651 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths16.3 · 859 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths13.3 · 535 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths4.7 · 6,105 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.35 (0.18 to 0.53) · 11,369 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.28 (0.1 to 0.46) · 11,580 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.26 (1.54 to 4.99) · 3,001 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.75 (0.34 to 3.17) · 1,043 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths10.8 (5.63 to 15.97) · 1,051 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5.35 (2.32 to 8.38) · 1,013 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.43 (0.05 to 2.81) · 712 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.98 (0.46 to 1.49) · 9,468 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths5.1 · 43 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.675No differentOct 2024 – Sep 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.749No differentOct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections0No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits13.4 · 503 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits19.7 · 1,022 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits17.6 · 371 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-9.8 · 756 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits-13.6 · 884 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits17.7 · 1,146 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.4 (3.8 to 7.6) · 205 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits11.9 (9.1 to 15.4) · 205 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits6.5 · 43 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits13.3 · 135 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20.7 · 375 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits13.7 (10.3 to 18.3) · 215 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits1 (0.8 to 1.3) · 605 casesNo differentJan 2024 – Dec 2024

What patients said (1,676 patients answered, 23% of those asked)

Patient survey stars by topic at Bsa Hospital
Cleanliness4
Nurse communication3
Doctor communication3
Communication about medicines2
Discharge information3
Overall hospital rating4
Quietness3
Recommend hospital4
Share of patients giving the best answer at Bsa Hospital
Room was "always" clean73%
Nurses "always" communicated well77%
Doctors "always" communicated well76%
Staff "always" explained57%
Yes, staff "did" give patients this information84%
Yes, staff "did" give patients information about help after discharge81%
Doctors "always" explained things so they could understand70%
Doctors "always" listened carefully74%
Doctors "always" treated them with courtesy and respect84%
Patients who gave a rating of "9" or "10" (high)73%
Staff "always" explained new medications69%
Nurses "always" explained things so they could understand71%
Nurses "always" listened carefully74%
Nurses "always" treated them with courtesy and respect86%
"Always" quiet at night57%
"YES", patients would definitely recommend the hospital76%
Staff "always" explained possible side effects44%
Yes, staff "did" give patients information about possible symptoms87%
See every measure and the patient survey for Kaiser Foundation Hospital - Redwood City

Behind the star rating — Deaths: 0 better, 2 the same, 0 worse of 2 measures. Safety: 2 better, 4 the same, 0 worse of 6 measures. Readmissions: 0 better, 1 the same, 0 worse of 1 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.

Every scored measure at Kaiser Foundation Hospital - Redwood City
SSI - Colon SurgeryInfections3.075WorseOct 2024 – Sep 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.064BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.04 (0 to 2.12) · 81 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.91 (0.43 to 1.39)No differentJul 2022 – Jun 2024
Death rate for stroke patientsComplications and deaths13.3 · 366 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths4.3 · 1,523 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.2 (0 to 0.44) · 477 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.26 (0.05 to 0.48) · 479 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.19 (0.67 to 5.72) · 160 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.66 (0 to 3.38) · 73 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.21 (0.52 to 3.9) · 167 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths8.49 (0 to 18.18) · 69 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5.03 (0.77 to 9.28) · 75 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.49 (0 to 1.69) · 311 casesNo differentJul 2022 – Jun 2024
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections0.719No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits14.2 · 71 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits21 · 204 casesNoneJul 2023 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.3 · 209 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20 · 45 casesNoneJul 2023 – Jun 2025

What patients said (1,673 patients answered, 27% of those asked)

Patient survey stars by topic at Kaiser Foundation Hospital - Redwood City
Cleanliness4
Nurse communication3
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating4
Quietness3
Recommend hospital5
Share of patients giving the best answer at Kaiser Foundation Hospital - Redwood City
Room was "always" clean76%
Nurses "always" communicated well78%
Doctors "always" communicated well81%
Staff "always" explained62%
Yes, staff "did" give patients this information89%
Yes, staff "did" give patients information about help after discharge89%
Doctors "always" explained things so they could understand77%
Doctors "always" listened carefully80%
Doctors "always" treated them with courtesy and respect86%
Patients who gave a rating of "9" or "10" (high)79%
Staff "always" explained new medications75%
Nurses "always" explained things so they could understand74%
Nurses "always" listened carefully76%
Nurses "always" treated them with courtesy and respect85%
"Always" quiet at night57%
"YES", patients would definitely recommend the hospital80%
Staff "always" explained possible side effects49%
Yes, staff "did" give patients information about possible symptoms88%

Original Medicare doctor bills

$27,050

Medicare paid this office $27,050 for 175 people.

This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.

Largest Original Medicare bills
Emergency department visit with high level of medical decision making109$15,338$139
Critical care, first 30-74 minutes40$7,093$177
Emergency department visit with moderate level of medical decision making26$2,544$98

Who their Medicare patients are

175 Original Medicare patients in 2024. Average age 76 · Under 65 14% · 85 and older 29% · Women 51% · Also on Medicaid 75% · Health risk score 2.40. Above the middle of the specialty; the typical emergency medicine clinician is at 2.01.

Conditions among them: High blood pressure 75% · Diabetes 53% · Coronary heart disease 39% · Chronic kidney disease 33% · Heart failure 30% · Dementia 30% · Atrial fibrillation 29% · Depression 26% · Stroke 24% · COPD 21% · Cancer 9%.

The office billed $292,077, Medicare allowed $35,628 and paid $27,050; for 199 services of 17 kinds.

Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.

Year by year

Original Medicare by year
2024175199762.40$292,077$27,050
2023101112732.60$143,578$13,480
2022369487732.44$626,964$53,496
2021295329702.28$418,282$44,653
2020154181692.51$238,836$28,145

Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.

See the services billed each year

2023: 3 services

Original Medicare services billed in 2023
Emergency department visit with high level of medical decision making59$8,869$150
Critical care, first 30-74 minutes11$2,067$188
Emergency department visit with moderate level of medical decision making23$1,985$86

2022: 6 services

Original Medicare services billed in 2022
Emergency department visit with high level of medical decision making263$39,633$148
Emergency department visit with moderate level of medical decision making57$5,403$93
Critical care, first 30-74 minutes17$3,147$185
Return visit (30+ min)11$831$76
Emergency department visit with low level of medical decision making17$782$46
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only76$495$6

2021: 5 services

Original Medicare services billed in 2021
Emergency department visit with high level of medical decision making162$26,862$163
Critical care, first 30-74 minutes40$8,043$201
Emergency department visit with moderate level of medical decision making52$4,415$85
Return visit (30+ min)21$1,472$70
Emergency department visit with low level of medical decision making13$651$50

2020: 3 services

Original Medicare services billed in 2020
Emergency department visit with high level of medical decision making83$14,776$172
Critical care, first 30-74 minutes33$7,976$242
Emergency department visit with moderate level of medical decision making30$3,387$109

Medicaid work

$46,441 in 2024

Medicaid paid $46,441 for 2,219 billed services this clinician did in 2024, up to 74 people in a month for one service.

Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.

Largest Medicaid services in 2024
EMERGENCY DEPT VISIT MOD MDM429$18,240
EMERGENCY DEPARTMENT VISIT HIGH MDM253$10,167
Service114$5,778
Service254$3,753
EMERGENCY DEPT VISIT LOW MDM109$2,028
Therapeutic, prophylactic, or diagnostic injection (specify substance or drug); intravenous push, single or initial substance/drug59$1,368
Critical care, evaluation and management of the critically ill or critically injured patient; first 30-74 minutes19$1,247
Electrocardiogram, routine ECG with at least 12 leads; tracing only, without interpretation and report146$985
Service32$650
Radiologic examination, chest; single view85$561
COMPREHENSIVE METABOLIC PANEL185$452
Intravenous infusion, hydration; each additional hour (List separately in addition to code for primary procedure)42$426
Medicaid work by year
20242,2191974$46,441
20231,9382690$94,635
20221,8251566$80,809
20211,3671070$47,309
2020296545$19,104
See the largest Medicaid services in earlier years

2023

Largest Medicaid services in 2023
EMERGENCY DEPT VISIT MOD MDM787$60,111
EMERGENCY DEPT VISIT LOW MDM242$16,639
EMERGENCY DEPARTMENT VISIT HIGH MDM182$7,910
Service81$2,505
Service80$1,592
Critical care, evaluation and management of the critically ill or critically injured patient; first 30-74 minutes14$1,247
Infectious agent antigen detection by immunoassay with direct optical (ie, visual) observation; Influenza64$844
Therapeutic, prophylactic, or diagnostic injection (specify substance or drug); intravenous push, single or initial substance/drug13$688
Return visit (30+ min)30$469
Service13$443
2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc64$424
Radiologic examination, chest; single view16$418

2022

Largest Medicaid services in 2022
EMERGENCY DEPT VISIT MOD MDM517$29,593
EMERGENCY DEPARTMENT VISIT HIGH MDM548$27,476
EMERGENCY DEPT VISIT LOW MDM359$16,746
Service72$2,911
Return visit (30+ min)91$1,765
COMPREHENSIVE METABOLIC PANEL43$719
Blood count; complete (CBC), automated (Hgb, Hct, RBC, WBC and platelet count) and automated differential WBC count43$552
Service13$505
Long return visit (40+ min)18$313
Blood count; complete (CBC), automated (Hgb, Hct, RBC, WBC and platelet count)29$105
Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only15$50
Infectious agent antigen detection by immunoassay with direct optical (ie, visual) observation; Influenza13$40

2021

Largest Medicaid services in 2021
EMERGENCY DEPARTMENT VISIT HIGH MDM585$30,040
EMERGENCY DEPT VISIT MOD MDM399$11,500
EMERGENCY DEPT VISIT LOW MDM134$2,763
Return visit (30+ min)152$1,489
Service12$440
Long return visit (40+ min)27$364
Service12$347
Critical care, evaluation and management of the critically ill or critically injured patient; first 30-74 minutes20$287
COMPREHENSIVE METABOLIC PANEL13$48
Blood count; complete (CBC), automated (Hgb, Hct, RBC, WBC and platelet count)13$30

2020

Largest Medicaid services in 2020
EMERGENCY DEPARTMENT VISIT HIGH MDM161$13,306
EMERGENCY DEPT VISIT MOD MDM86$4,652
Service13$521
EMERGENCY DEPT VISIT LOW MDM12$517
Service24$109

Drugs they prescribed that Part D paid

$7,389

Pharmacies billed $7,389 in 2024.

This is pharmacy cost, not the office bill, and not what patients paid.

Opioids were 6% of their Part D prescriptions (19 of 341) in 2024. At or below the middle of the specialty; the typical emergency medicine clinician is at 12%.

325 generic and 16 brand-name prescriptions · $7,389 in drug cost · 125 antibiotic prescriptions to 99 people.

Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.

Largest Part D drug costs
Cefadroxil36$410$11
Amoxicillin-Clavulanate Potass26$241$9
Ondansetron Odt30$230$8
Ibuprofen27$148$5
Doxycycline Monohydrate13$141$10
See all 12 drugs
Every Part D drug this clinician prescribed
Cefadroxil36$410$11
Amoxicillin-Clavulanate Potass26$241$9
Ondansetron Odt30$230$8
Ibuprofen27$148$5
Doxycycline Monohydrate13$141$10
Famotidine18$99$5
Azithromycin15$97$6
Cephalexin20$94$5
Prednisone15$87$6
Gabapentin11$84$7
Amlodipine Besylate11$71$6
Oxycodone12$65$5

Year by year

Part D prescribing by year
20243412176% (19)5%$7,389
20232271516% (13)None$4,770
20222411585% (11)None$5,803
202110376NoneNone$2,082
20207444NoneNone$3,017
20193023None0%$275
20184632NoneNone$688
20172616NoneNone$903

Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.

See the drugs prescribed each year

2023: 5 drugs

Part D drugs prescribed in 2023
Ondansetron Odt15$419$28
Amoxicillin-Clavulanate Potass22$329$15
Azithromycin20$190$9
Cefadroxil14$156$11
Ibuprofen21$124$6

2022: 7 drugs

Part D drugs prescribed in 2022
Cephalexin36$249$7
Amoxicillin-Clavulanate Potass12$158$13
Famotidine14$139$10
Gabapentin11$134$12
Azithromycin11$116$11
Ibuprofen17$81$5
Hydrocodone-Acetaminophen11$46$4

2021: 1 drug

Part D drugs prescribed in 2021
Cephalexin18$112$6

Checkups this office reported

Medicare did not publish checkup rates for this clinician.

Medicare’s overall office score
80.6 / 100
Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.

Professional record

NPI
1609308733
Licence
CA A169286California A169286: Current · expires 2028-07-31
Gender
Male
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207P00000X (207P00000X)
Mailing address
906 Coachella Ave, Sunnyvale, CA, 94085
NPI first listed
2017-03-29
NPI last updated
2022-05-06
NPI record certified
2022-05-06

This is when the NPI record was last certified, not a medical board exam.

This office lists an electronic records connection.