Kim-Tan Nguyen, M.D.
Emergency Medicine Physician · Garden Grove, CA
Kim-Tan Nguyen, M.D. is an emergency medicine physician with a practice address in Garden Grove, California, and NPI 1174752836, issued on Jul 2, 2009. Check the license (California A120361, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kim-Tan Nguyen
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A120361 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12601 Garden Grove Blvd, Garden Grove, CA 92843
- Phone
- (714) 741-2724
- Enumerated
- Jul 2, 2009
- Record last updated
- Sep 9, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20121220000242); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 12601 Garden Grove Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Senior AdjainoPsychiatric/Mental Health Nurse Practitioner1720784390
- Tommy Cao, PHARM.DPharmacotherapy Pharmacist1386472330
- Hillary ChangEmergency Registered Nurse1699552661
- Antony Chen, DOAnatomic Pathology & Clinical Pathology Physician1235327701
- William Galdamez, PAMedical Physician Assistant1295047413
- Gihan George, M.D.Anesthesiology Physician1710055850
Verify Kim-Tan Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A120361Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average emergency medicine physician in 2024
250 Medicare Part D claims for 170 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Azithromycin35 claims
- Ibuprofen28 claims
- Cefdinir23 claims
- Oxycodone-Acetaminophen22 claims
- Meclizine Hcl13 claims
- Ondansetron Odt13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $146.19
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Cep America - CaliforniaFountain Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kim-Tan Nguyen among 7,751 emergency medicine physician records in California
Kim-Tan Nguyen, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 54% of them.
- NPI issued2009 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2009 · median 2011 among the 4,560 with a school on file
- Record last updated2015 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Garden Grove → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Don HaGarden Grove, CA 928431386339232
- Alec Huynh, M.DGarden Grove, CA 928431477577575
- Dan Nadler, M.D.Garden Grove, CA 928431053424044
- Brian Rhee, M.DGarden Grove, CA 928431346290772
- Carl Stilson, M.D.Garden Grove, CA 928431831204262
- Barbara Victor, M.D.Garden Grove, CA 928431730132986
- Vincent Tang, M.DGarden Grove, CA 928441578542957
- Aaron Cho, D.O.Garden Grove, CA 928411164841482
Common questions
What is Kim-Tan Nguyen, M.D.'s NPI number?
Kim-Tan Nguyen, M.D.'s National Provider Identifier (NPI) is 1174752836, issued on Jul 2, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Kim-Tan Nguyen, M.D. located?
The NPPES record lists a practice address at 12601 Garden Grove Blvd, Garden Grove, CA, 92843. Phone: (714) 741-2724. Providers update this record themselves, so call before visiting.
How can I verify Kim-Tan Nguyen, M.D.'s license?
NPPES lists California license number A120361, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kim-Tan Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Kim-Tan Nguyen, M.D. had 250 Medicare Part D claims for 170 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Kim-Tan Nguyen, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.