Skip to main content
UniHealth

Doctor search

Krammie M Chan, MD

Diagnostic Radiology · Oakland

NPI 1497834105

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Offices
15

Offices

15 locations · Permanente Medical Group Inc · 10,928 clinicians in this group

Looking this up.

Hospitals listed: Kaiser Foundation Hospital - Oakland/Richmond. 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. Chan’s office to ask if they take your plan before you enroll.

California Medical Board record

Licence A54042 · Current

Licensed to practise in California · since 1995 · expires 2027-02-28 · Duke University School of Medicine.

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

Hospitals they work in

1 hospital

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

  • Kaiser Foundation Hospital - Oakland/RichmondOakland, 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 3 of 5 · 72% would definitely recommend it
    Overall rating: 2 of 5 starsWorse than the national rate — SSI - Colon Surgery: 2.203, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.334, Oct 2024 – Sep 2025
See every measure and the patient survey for Kaiser Foundation Hospital - Oakland/Richmond

Behind the star rating — Deaths: 0 better, 6 the same, 0 worse of 6 measures. Safety: 2 better, 4 the same, 0 worse of 6 measures. Readmissions: 0 better, 2 the same, 2 worse of 4 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 - Oakland/Richmond
SSI - Colon SurgeryInfections2.203WorseOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.334BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths0.96 (0 to 2.01) · 443 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths1.01 (0.62 to 1.4)No differentJul 2022 – Jun 2024
Death rate for COPD patientsComplications and deaths8.4 · 52 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths11.2 · 40 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths10.7 · 96 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths16.7 · 94 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths10.8 · 489 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths4.1 · 4,684 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.25 (0.03 to 0.48) · 2,673 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.33 (0.12 to 0.54) · 2,783 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.39 (0.96 to 5.81) · 381 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.62 (0 to 3.32) · 146 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.07 (0.44 to 3.71) · 359 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths7.63 (0 to 16.81) · 123 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5.35 (1.31 to 9.38) · 146 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths2.04 (0.54 to 3.55) · 115 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.79 (0 to 1.61) · 2,133 casesNo differentJul 2022 – Jun 2024
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.562No differentOct 2024 – Sep 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.715No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections0.876No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits13.9 · 312 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits24.2 · 974 casesNoneJul 2023 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits55.2 · 127 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits10 · 112 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits20 · 819 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20.3 · 262 casesNoneJul 2023 – Jun 2025

What patients said (2,982 patients answered, 23% of those asked)

Patient survey stars by topic at Kaiser Foundation Hospital - Oakland/Richmond
Cleanliness3
Nurse communication2
Doctor communication3
Communication about medicines2
Discharge information3
Overall hospital rating3
Quietness2
Recommend hospital4
Share of patients giving the best answer at Kaiser Foundation Hospital - Oakland/Richmond
Room was "always" clean71%
Nurses "always" communicated well73%
Doctors "always" communicated well78%
Staff "always" explained57%
Yes, staff "did" give patients this information86%
Yes, staff "did" give patients information about help after discharge88%
Doctors "always" explained things so they could understand72%
Doctors "always" listened carefully77%
Doctors "always" treated them with courtesy and respect84%
Patients who gave a rating of "9" or "10" (high)69%
Staff "always" explained new medications70%
Nurses "always" explained things so they could understand69%
Nurses "always" listened carefully69%
Nurses "always" treated them with courtesy and respect80%
"Always" quiet at night48%
"YES", patients would definitely recommend the hospital72%
Staff "always" explained possible side effects44%
Yes, staff "did" give patients information about possible symptoms85%

Original Medicare doctor bills

$8,784

Medicare paid this office $8,784 for 222 people.

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

Largest Original Medicare bills
Ct scan head or brain without contrast37$1,126$30
Ct scan of blood vessels of neck with contrast14$984$70
Mri scan of brain without contrast16$944$59
Ct scan of blood vessels of head with contrast11$804$73
X-ray of chest, 1 view62$417$7
See all 6 services
Every Original Medicare service billed
Ct scan head or brain without contrast37$1,126$30
Ct scan of blood vessels of neck with contrast14$984$70
Mri scan of brain without contrast16$944$59
Ct scan of blood vessels of head with contrast11$804$73
X-ray of chest, 1 view62$417$7
X-ray of chest, 2 views32$231$7

Who their Medicare patients are

222 Original Medicare patients in 2024. Average age 70 · Under 65 22% · 85 and older 10% · Women 57% · Also on Medicaid 75% · Health risk score 1.81. Above the middle of the specialty; the typical diagnostic radiology clinician is at 1.7.

Conditions among them: High blood pressure 74% · Diabetes 38% · Depression 36% · Coronary heart disease 34% · Heart failure 34% · Chronic kidney disease 34% · Stroke 28% · Dementia 25% · Atrial fibrillation 23% · COPD 20% · Cancer 10%.

The office billed $72,610, Medicare allowed $12,368 and paid $8,784; for 414 services of 54 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
2024222414701.81$72,610$8,784
2023195286702.43$64,792$8,282
2022220365702.23$62,162$7,185
2021188251712.55$51,187$6,183
2020147206702.43$34,318$4,730
2019158219702.48$40,790$5,384
2018168227692.46$46,325$5,307
2017162199712.52$33,127$4,543
2016140183692.23$32,595$4,652
201590138682.36$35,626$3,659
20145867682.88$14,823$1,938
20137793672.08$21,164$3,338

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: 6 services

Original Medicare services billed in 2023
Ct scan head or brain without contrast40$1,193$29
Mri scan of brain without contrast19$958$50
Ct scan of blood vessels of neck with contrast14$861$62
Ct scan of blood vessels of head with contrast13$785$60
X-ray of chest, 1 view60$432$7
X-ray of chest, 2 views26$187$7

2022: 3 services

Original Medicare services billed in 2022
Ct scan head or brain without contrast53$1,590$30
X-ray of chest, 1 view66$430$6
X-ray of chest, 2 views38$275$7

2021: 6 services

Original Medicare services billed in 2021
Ct scan head or brain without contrast28$833$29
Mri scan of brain without contrast12$775$65
X-ray of chest, 1 view81$627$7
Ct scan of blood vessels of head with contrast12$614$51
Ct scan of blood vessels of neck with contrast12$591$49
X-ray of chest, 2 views19$165$9

2020: 3 services

Original Medicare services billed in 2020
Ct scan head or brain without contrast19$687$34
X-ray of chest, 1 view74$617$8
X-ray of chest, 2 views18$110$6

2019: 6 services

Original Medicare services billed in 2019
Ct scan of soft tissue of neck with contrast17$973$57
Ct scan head or brain without contrast27$736$27
Mri scan of brain without contrast11$715$65
Ct scan head or brain with contrast11$476$43
X-ray of chest, 1 view59$442$7
X-ray of chest, 2 views19$165$9

2018: 4 services

Original Medicare services billed in 2018
Ct scan head or brain without contrast42$1,365$32
Ct scan of soft tissue of neck with contrast12$647$54
X-ray of chest, 1 view58$449$8
X-ray of chest, 2 views21$197$9

2017: 3 services

Original Medicare services billed in 2017
Ct scan head or brain without contrast21$726$33
X-ray of chest, 1 view, front52$373$7
X-ray of chest, 2 views, front and side30$245$8

2016: 4 services

Original Medicare services billed in 2016
Ct scan of abdomen and pelvis with contrast11$820$75
Ct scan head or brain without contrast23$749$33
X-ray of chest, 1 view, front58$406$7
X-ray of chest, 2 views, front and side12$112$9

2015: 2 services

Original Medicare services billed in 2015
Ct scan head or brain without contrast12$417$35
X-ray of chest, 1 view, front35$229$6

2014: 2 services

Original Medicare services billed in 2014
Ct scan head or brain without contrast12$378$32
X-ray of chest, 1 view, front21$175$8

2013: 3 services

Original Medicare services billed in 2013
Ct scan head or brain without contrast15$492$33
X-ray of chest, 2 views, front and side20$164$8
X-ray of chest, 1 view, front17$137$7

Medicaid work

$62,689 in 2024

Medicaid paid $62,689 for 918 billed services this clinician did in 2024, up to 32 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
Magnetic resonance (eg, proton) imaging, spinal canal and contents, lumbar; without contrast material144$30,166
Computed tomography, head or brain; without contrast material155$17,092
MRI BRAIN BRAIN STEM W/O CONTRAST MATERIAL63$7,182
Radiologic examination, chest; 2 views235$3,212
Radiologic examination, chest; single view227$2,427
MRI BRAIN BRAIN STEM W/O W/CONTRAST MATERIAL13$1,415
X-ray of knee, anteroposterior and lateral views36$640
X-ray of ankle, anteroposterior and lateral views16$405
X-ray of foot, anteroposterior and lateral views29$150
Medicaid work by year
2024918932$62,689
2023418524$4,506
2022550529$3,400
2021301334$1,285
2020227229$1,054
2019146225$548
2018105322$446
See the largest Medicaid services in earlier years

2023

Largest Medicaid services in 2023
MRI BRAIN BRAIN STEM W/O CONTRAST MATERIAL38$1,595
Computed tomography, head or brain; without contrast material65$1,459
Radiologic examination, chest; 2 views173$877
Radiologic examination, chest; single view125$516
Magnetic resonance (eg, proton) imaging, spinal canal and contents, lumbar; without contrast material17$60

2022

Largest Medicaid services in 2022
Computed tomography, head or brain; without contrast material98$1,390
Radiologic examination, chest; 2 views229$882
Radiologic examination, chest; single view195$698
MRI BRAIN BRAIN STEM W/O CONTRAST MATERIAL14$429
Magnetic resonance (eg, proton) imaging, spinal canal and contents, lumbar; without contrast material14$0

2021

Largest Medicaid services in 2021
Radiologic examination, chest; single view178$765
Radiologic examination, chest; 2 views111$457
MRI BRAIN BRAIN STEM W/O CONTRAST MATERIAL12$63

2020

Largest Medicaid services in 2020
Radiologic examination, chest; single view186$847
Radiologic examination, chest; 2 views41$207

2019

Largest Medicaid services in 2019
Radiologic examination, chest; 2 views97$323
Radiologic examination, chest; single view49$226

2018

Largest Medicaid services in 2018
Computed tomography, head or brain; without contrast material13$209
Radiologic examination, chest; single view63$139
Radiologic examination, chest; 2 views29$98

Professional record

NPI
1497834105
Licence
CA A54042California A54042: Current · expires 2027-02-28
Trained
Duke University School of Medicine, 1990
Gender
Female
More record details
Sole proprietor
No
Medicaid ID
CA 00A540420
Taxonomy
Diagnostic radiology (2085R0202X)
Mailing address
275 W Macarthur Blvd, Oakland, CA, 94611
NPI first listed
2006-11-03
NPI last updated
2021-12-03

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

This office lists an electronic records connection.