Hanh Thi Nguyen-Clark, MD
Anesthesiology · Santa Ana
- 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
- 2
Offices
2 locations · Landmark Anesthesia Medical Group · Stanford Health Care
Looking this up.
Hospitals listed: Saint Francis Medical Center. 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. Nguyen-Clark’s office to ask if they take your plan before you enroll.
California Medical Board record
Licence A62739 · Current
Licensed to practise in California · since 1997 · expires 2027-01-31 · Stanford 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.
- Saint Francis Medical CenterLynwood, CAAcute Care Hospital · Voluntary non-profit - Church · No emergency department · Birthing-friendlyPart of Prime Healthcare Services, which runs 45 hospitals in 14 statesPatients rate it 2 of 5 · 62% would definitely recommend itOverall rating: 3 of 5 starsBetter than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.228, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.055, Oct 2024 – Sep 2025Better than the national rate — SSI - Colon Surgery: 0, Oct 2024 – Sep 2025
See every measure and the patient survey for Saint Francis Medical Center
Behind the star rating — Deaths: 0 better, 7 the same, 0 worse of 7 measures. Safety: 3 better, 3 the same, 0 worse of 6 measures. Readmissions: 1 better, 4 the same, 0 worse of 5 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.228 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.055 | Better | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 0.99 (0 to 2.05) · 378 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.82 (0.42 to 1.21) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 171.25 (124.53 to 217.98) · 45 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for COPD patientsComplications and deaths | 8.9 · 37 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 12.3 · 65 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 8 · 143 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 13.5 · 188 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 12.3 · 218 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.6 · 1,566 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.18 (0 to 0.4) · 3,230 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.24 (0.04 to 0.45) · 3,280 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 2.98 (0.54 to 5.42) · 356 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.67 (0 to 3.4) · 34 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.13 (0.47 to 3.79) · 343 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 9.03 (0 to 19.03) · 39 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 5.11 (0.82 to 9.39) · 35 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.74 (0.22 to 3.27) · 38 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.19 (0 to 0.92) · 2,725 cases | No different | Jul 2022 – Jun 2024 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.436 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 1.183 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 14.3 · 195 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 21.2 · 370 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | -36.8 · 57 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | -26.7 · 196 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | -11.8 · 215 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 17.1 · 364 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19.4 · 92 cases | None | Jul 2023 – Jun 2025 |
What patients said (575 patients answered, 34% of those asked)
| Cleanliness | 4 |
| Nurse communication | 2 |
| Doctor communication | 2 |
| Communication about medicines | 2 |
| Discharge information | 2 |
| Overall hospital rating | 3 |
| Quietness | 3 |
| Recommend hospital | 3 |
| Room was "always" clean | 77% |
| Nurses "always" communicated well | 70% |
| Doctors "always" communicated well | 70% |
| Staff "always" explained | 52% |
| Yes, staff "did" give patients this information | 81% |
| Yes, staff "did" give patients information about help after discharge | 79% |
| Doctors "always" explained things so they could understand | 64% |
| Doctors "always" listened carefully | 68% |
| Doctors "always" treated them with courtesy and respect | 78% |
| Patients who gave a rating of "9" or "10" (high) | 65% |
| Staff "always" explained new medications | 66% |
| Nurses "always" explained things so they could understand | 65% |
| Nurses "always" listened carefully | 66% |
| Nurses "always" treated them with courtesy and respect | 79% |
| "Always" quiet at night | 51% |
| "YES", patients would definitely recommend the hospital | 62% |
| Staff "always" explained possible side effects | 38% |
| Yes, staff "did" give patients information about possible symptoms | 84% |
Original Medicare doctor bills
$19,333
Medicare paid this office $19,333 for 80 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 13 | $1,617 | $115 |
Who their Medicare patients are
80 Original Medicare patients in 2024. Average age 71 · Women 53% · Also on Medicaid 71% · Health risk score 3.38. Sicker patients than 9 in 10 peers; the typical anesthesiology clinician is at 1.54.
Conditions among them: High blood pressure 75% · Diabetes 63% · Heart failure 61% · Coronary heart disease 48% · Chronic kidney disease 46% · Atrial fibrillation 41% · Depression 39% · COPD 25% · Stroke 25% · Dementia 23%.
The office billed $302,525, Medicare allowed $25,859 and paid $19,333; for 123 services of 42 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
| 2024 | 80 | 123 | 71 | 3.38 | $302,525 | $19,333 |
| 2023 | 108 | 140 | 71 | 2.30 | $286,195 | $19,850 |
| 2022 | 28 | 37 | 70 | 4.07 | $69,785 | $7,037 |
| 2021 | 24 | 29 | 71 | 3.77 | $48,414 | $5,720 |
| 2020 | 406 | 736 | 73 | 2.67 | $1,129,200 | $122,403 |
| 2019 | 11 | 13 | 70 | 4.72 | $29,700 | $3,172 |
| 2018 | 31 | 36 | 67 | 2.51 | $64,500 | $7,067 |
| 2017 | 63 | 72 | 68 | 4.04 | $163,500 | $17,382 |
| 2016 | 56 | 58 | 68 | 4.38 | $71,378 | $14,176 |
| 2015 | 49 | 52 | 69 | 3.78 | $60,668 | $13,118 |
| 2014 | 49 | 54 | 68 | 4.52 | $58,250 | $12,852 |
| 2013 | 81 | 84 | 67 | 3.21 | $72,075 | $15,828 |
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: 1 service
| Anesthesia for lens surgery | 64 | $7,216 | $95 |
2020: 19 services
| Anesthesia for procedure on heart and large blood vessels | 27 | $12,700 | $438 |
| Anesthesia for other procedure on upper abdomen | 30 | $9,606 | $300 |
| Anesthesia for x-ray procedure (accessed through the skin) on spine and spinal cord | 32 | $7,383 | $121 |
| Anesthesia for x-ray or radiation therapy | 39 | $7,141 | $183 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 42 | $7,054 | $141 |
| Anesthesia for x-ray on artery of brain, heart, or chest | 13 | $4,479 | $345 |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | 22 | $4,021 | $183 |
| Anesthesia for placement or revision of blood flow shunt | 12 | $3,871 | $277 |
| Anesthesia for procedure on upper 2/3rd of thigh bone | 14 | $3,286 | $235 |
| Ultrasound of heart with probe in esophagus, with report | 28 | $2,781 | $93 |
| Anesthesia for other procedure on skin of arms, legs, and front body | 14 | $2,065 | $147 |
| Anesthesia for other procedure on large bowel using an endoscope | 17 | $2,032 | $120 |
| Anesthesia for procedure on small and large bowel using an endoscope | 12 | $1,991 | $166 |
| Insertion of artery tube for blood sampling or infusion through skin | 47 | $1,918 | $38 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 19 | $1,442 | $72 |
| Ultrasonic guidance for blood vessel access | 37 | $678 | $12 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 14 | $496 | $35 |
| Ultrasonic guidance for needle placement | 18 | $479 | $27 |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | 28 | $81 | $3 |
2014: 1 service
| Anesthesia for placement or revision of blood flow shunt | 12 | $3,848 | $296 |
Medicaid work
$14,675 in 2024
Medicaid paid $14,675 for 220 billed services this clinician did in 2024, up to 26 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.
| Neuraxial labor analgesia/anesthesia for planned vaginal delivery (this includes any repeat subarachnoid needle placement and drug injection and/or any necessary replacement of an epidural catheter during labor) | 67 | $8,728 |
| Anesthesia for cesarean delivery only | 29 | $3,849 |
| SBSQ HOSPITAL IP/OBS CARE SF/LOW MDM 25 MINUTES | 124 | $2,098 |
| 2024 | 220 | 3 | 26 | $14,675 |
| 2023 | 454 | 2 | 64 | $24,187 |
| 2022 | 395 | 3 | 41 | $33,168 |
| 2021 | 658 | 3 | 52 | $62,039 |
| 2020 | 200 | 4 | 29 | $16,714 |
| 2019 | 87 | 3 | 20 | $7,654 |
| 2018 | 228 | 3 | 25 | $9,727 |
See the largest Medicaid services in earlier years
2023
| Anesthesia for procedures on eye; lens surgery | 262 | $20,139 |
| SBSQ HOSPITAL IP/OBS CARE SF/LOW MDM 25 MINUTES | 192 | $4,047 |
2022
| Neuraxial labor analgesia/anesthesia for planned vaginal delivery (this includes any repeat subarachnoid needle placement and drug injection and/or any necessary replacement of an epidural catheter during labor) | 107 | $24,712 |
| SBSQ HOSPITAL IP/OBS CARE SF/LOW MDM 25 MINUTES | 276 | $6,416 |
| Anesthesia for cesarean delivery only | 12 | $2,041 |
2021
| Neuraxial labor analgesia/anesthesia for planned vaginal delivery (this includes any repeat subarachnoid needle placement and drug injection and/or any necessary replacement of an epidural catheter during labor) | 202 | $38,803 |
| Anesthesia for cesarean delivery only | 88 | $16,119 |
| SBSQ HOSPITAL IP/OBS CARE SF/LOW MDM 25 MINUTES | 368 | $7,117 |
2020
| Neuraxial labor analgesia/anesthesia for planned vaginal delivery (this includes any repeat subarachnoid needle placement and drug injection and/or any necessary replacement of an epidural catheter during labor) | 70 | $11,744 |
| Anesthesia for cesarean delivery only | 18 | $3,149 |
| SBSQ HOSPITAL IP/OBS CARE SF/LOW MDM 25 MINUTES | 100 | $1,822 |
| Anesthesia for intraoral procedure | 12 | $0 |
2019
| Neuraxial labor analgesia/anesthesia for planned vaginal delivery (this includes any repeat subarachnoid needle placement and drug injection and/or any necessary replacement of an epidural catheter during labor) | 13 | $6,713 |
| SBSQ HOSPITAL IP/OBS CARE SF/LOW MDM 25 MINUTES | 46 | $941 |
| Anesthesia for intraoral procedure | 28 | $0 |
2018
| Neuraxial labor analgesia/anesthesia for planned vaginal delivery (this includes any repeat subarachnoid needle placement and drug injection and/or any necessary replacement of an epidural catheter during labor) | 30 | $7,462 |
| SBSQ HOSPITAL IP/OBS CARE SF/LOW MDM 25 MINUTES | 130 | $2,265 |
| Anesthesia for intraoral procedure | 68 | $0 |
Money from drug and device companies
$250 in 2025
| 2025 | 2 | 2 | None | $250 |
| 2024 | 2 | 2 | None | $218 |
| 2023 | 8 | 8 | None | $972 |
| 2022 | 7 | 11 | None | $1,244 |
| 2021 | 7 | 10 | None | $790 |
| 2020 | 2 | 2 | None | $240 |
| 2019 | 10 | 14 | None | $1,473 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Novo Nordisk | Ozempic | $125 | 1 payment
|
| Aimmune Therapeutics | Zenpep | $125 | 1 payment
|
See all 2 published payments
| Novo Nordisk | Meals · 2025-04-07 | Ozempic | $125 |
| Aimmune Therapeutics | Meals · 2025-02-12 | Zenpep | $125 |
See earlier years (2024, 2023, 2022, 2021, 2020, 2019)
2024: $218
| AstraZeneca Pharmaceuticals LP | Airsupra | $122 | 1 payment
|
| CeQur | Cequr Simplicity | $96 | 1 payment
|
2023: $972
| Edwards Lifesciences | Edwards Sapien 3 Transcatheter Heart Valve (Thv) | $152 | 1 payment
|
| Janssen Pharmaceuticals | Xarelto | $149 | 1 payment
|
| Gilead Sciences | Vemlidy | $125 | 1 payment
|
| Insulet | Omnipod | $125 | 1 payment
|
| Novo Nordisk | None | $112 | 1 payment
|
| Corcept Therapeutics | Korlym | $110 | 1 payment
|
| GlaxoSmithKline | None | $100 | 1 payment
|
| Abbvie | Qulipta | $100 | 1 payment
|
2022: $1,244
| Novo Nordisk | Ozempic | $341 | 3 payments
|
| Abbvie | Ubrelvy | $230 | 2 payments
|
| Lilly USA | Emgality | $228 | 2 payments
|
| Boehringer Ingelheim Pharmaceuticals | Jardiance | $125 | 1 payment
|
| GlaxoSmithKline | Bexsero | $119 | 1 payment
|
| Amgen | Repatha | $104 | 1 payment
|
| Merck Sharp & Dohme | Verquvo | $96 | 1 payment
|
2021: $790
| AbbVie | Ubrelvy | $230 | 2 payments
|
| Bayer HealthCare Pharmaceuticals | Kerendia | $125 | 1 payment
|
| Novo Nordisk | Ozempic | $125 | 1 payment
|
| Janssen Pharmaceuticals | Xarelto | $125 | 1 payment
|
| AstraZeneca Pharmaceuticals LP | Farxiga | $110 | 1 payment
|
| Trevena | Olinvyk | $52 | 3 payments
|
| Masimo | None | $23 | 1 payment
|
2020: $240
| Pfizer | Xtandi | $125 | 1 payment
|
| Amgen | Prolia | $115 | 1 payment
|
2019: $1,473
| Amgen | Repatha | $296 | 3 payments
|
| Janssen Pharmaceuticals | Xarelto | $250 | 2 payments
|
| AstraZeneca Pharmaceuticals LP | Farxiga | $210 | 2 payments
|
| Boehringer Ingelheim Pharmaceuticals | Jardiance | $125 | 1 payment
|
| Allergan | Vraylar | $125 | 1 payment
|
| Amarin Pharma | Vascepa | $115 | 1 payment
|
| Celgene | Otezla | $105 | 1 payment
|
| Merck Sharp & Dohme | Steglatro | $94 | 1 payment
|
| E.R. Squibb & Sons L.L.C. | Eliquis | $92 | 1 payment
|
| Lilly USA | Trulicity | $61 | 1 payment
|
Professional record
- NPI
- 1649222308
- Licence
- CA A62739California A62739: Current · expires 2027-01-31
- Trained
- Stanford University School of Medicine, 1995
- Group
- Landmark Anesthesia Medical Group · Stanford Health Care
- Gender
- Female
More record details
- Sole proprietor
- No
- Medicaid ID
- CA 00A627390
- Taxonomy
- Federal specialty code 207L00000X (207L00000X)
- Mailing address
- Po Box 3129, Torrance, CA, 90510
- NPI first listed
- 2006-05-17
- NPI last updated
- 2025-12-11
- NPI record certified
- 2025-12-11
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 225 N Jackson Ave, San Jose, CA, 95116 · 300 Pasteur Dr, Stanford, CA, 94305