NPPES file of Aug 9, 2026

Kim Nguyen

Internal Medicine Physician · Corcoran, CA

Kim Nguyen is an internal medicine physician with a practice address in Corcoran, California, and NPI 1194925552, issued on Jul 23, 2007. Check the license (California A53999, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194925552
Name
Kim Nguyen
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A53999 CA
Self-reported in NPPES; status is on the state search
Practice location
900 Quebec Avenue, Corcoran, CA 93212
Phone
(559) 992-7100
Enumerated
Jul 23, 2007
Record last updated
Jul 23, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(559) 992-7104
Medicare enrollment
Enrolled (PECOS I20110505000734); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 900 Quebec Avenue

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Merle Ancheta, DDSGeneral Practice Dentistry1790968964
  2. Olga BeregovskayaInternal Medicine Physician1548469117
  3. Caitlin Chinn-Goshgarian, PH.D.Forensic Psychologist1982928016
  4. Kassandre Clayton, LCSWClinical Social Worker1619635133
  5. Mayer HorenstenInternal Medicine Physician1306045562
  6. Liza Maravilla, LCSWClinical Social Worker1124253588

Verify Kim Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A53999
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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96% fewer Medicare Part D claims than the average internal medicine physician in 2024

113 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Kim Nguyen113
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium19 claims
  2. Doxazosin Mesylate15 claims
  3. Metformin Hcl12 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

  1. Department OF State HospitalsCoalinga, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

8 internal medicine physician records list a practice address in Corcoran

They are 8 of the 187 NPPES records with a practice address in Corcoran, and 17,696 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Kim Nguyen's NPI number?

Kim Nguyen's National Provider Identifier (NPI) is 1194925552, issued on Jul 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Kim Nguyen located?

The NPPES record lists a practice address at 900 Quebec Avenue, Corcoran, CA, 93212. Phone: (559) 992-7100. Providers update this record themselves, so call before visiting.

How can I verify Kim Nguyen's license?

NPPES lists California license number A53999, 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 Nguyen prescribe under Medicare Part D?

In 2024, Kim Nguyen had 113 Medicare Part D claims; 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.