Kim T. Nguyen, M.D.
Internal Medicine Physician · Berkeley, CA
Kim T. Nguyen, M.D. is an internal medicine physician with a practice address in Berkeley, California, and NPI 1588920268, issued on Apr 6, 2012. Check the license (California 128291, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kim T. Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 128291 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3075 Adeline St, Berkeley, CA 94703
- Phone
- (415) 418-4518
- Enumerated
- Apr 6, 2012
- Record last updated
- Apr 27, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20220216002824); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3075 Adeline St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nicolee Brorsen, MOT, OTR/LMental Health Counselor1760648190
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Verify Kim T. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 128291Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,312 Medicare Part D claims for 230 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 77 claims were for opioids.
Most prescribed
- Atorvastatin Calcium199 claims
- Levothyroxine Sodium133 claims
- Losartan-Hydrochlorothiazide78 claims
- Buprenorphine-Naloxone75 claims
- Amlodipine Besylate74 claims
- Gabapentin62 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.
Bills Medicare through one group practice
- LA Familia Medical CenterSanta Fe, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kim T. Nguyen among 17,696 internal medicine physician records in California
Kim T. Nguyen, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2004 among the 11,065 with a school on file
- Record last updated2016 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
83 internal medicine physician records list a practice address in Berkeley
They are 83 of the 4,898 NPPES records with a practice address in Berkeley, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Berkeley → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Runa Basu, D.O.Berkeley, CA 947031245471689
- Gabriel Fischer, MDBerkeley, CA 947031154641140
- Anthony Allen, M.D.Berkeley, CA 947041104846054
- Anne BosshardtBerkeley, CA 947041841435427
- Janie Bryant, MDBerkeley, CA 947041922176080
- Ji Chen, M.D.Berkeley, CA 947021386685444
- Alan Eshleman, MDBerkeley, CA 947021932247087
- Rachel Fogel, M.D.Berkeley, CA 947021205039013
Common questions
What is Kim T. Nguyen, M.D.'s NPI number?
Kim T. Nguyen, M.D.'s National Provider Identifier (NPI) is 1588920268, issued on Apr 6, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Kim T. Nguyen, M.D. located?
The NPPES record lists a practice address at 3075 Adeline St, Berkeley, CA, 94703. Phone: (415) 418-4518. Providers update this record themselves, so call before visiting.
How can I verify Kim T. Nguyen, M.D.'s license?
NPPES lists California license number 128291, 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 T. Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Kim T. Nguyen, M.D. had 2,312 Medicare Part D claims for 230 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.