NPPES file of Aug 9, 2026

Samuel M. Nyamu, M.D.

Internal Medicine Physician · Mission Hills, CA

Samuel M. Nyamu, M.D. is an internal medicine physician with a practice address in Mission Hills, California, and NPI 1023268869, issued on Sep 30, 2008. Check the license (California C165968, 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
1023268869
Name
Samuel M. Nyamu
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
C165968 CA
TEP 5824 NE
8125 SD
Self-reported in NPPES; status is on the state search
Practice location
11333 N Sepulveda Blvd, Mission Hills, CA 91345
Phone
(818) 869-7248
Enumerated
Sep 30, 2008
Record last updated
Dec 18, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(818) 869-2709
Medicare enrollment
Enrolled (PECOS I20200203001760); 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 11333 N Sepulveda Blvd

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

  1. Artur Alaverdyan, M.D.Internal Medicine Physician1982135208
  2. Gilberto Bultron, M.D.Pediatrics Physician1972705259
  3. Yiling Chen, PAPhysician Assistant1215429733
  4. Danyl Fakhrutdinov, PA-CPhysician Assistant1699318014
  5. Paniz Heidari, D.O.Obstetrics & Gynecology Physician1821435637
  6. Robin Klein, D.O.Emergency Medicine Physician1538303292

Verify Samuel M. Nyamu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C165968
    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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2.4 times the Medicare Part D claims of the average internal medicine physician in 2024

7,636 Medicare Part D claims for 736 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 219 claims were for opioids.

  1. Samuel Nyamu7,636
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium591 claims
  2. Amlodipine Besylate318 claims
  3. Losartan Potassium316 claims
  4. Metformin Hcl198 claims
  5. Lisinopril190 claims
  6. Levothyroxine Sodium166 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. Providence Facey Medical FoundationMission Hills, CA

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

Samuel M. Nyamu among 17,696 internal medicine physician records in California

Samuel M. Nyamu, 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 2008, is newer than 56% of them.

  • NPI issued2008 · 56% of these records are older, 40% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2000 · median 2004 among the 11,065 with a school on file
  • Record last updated2019 · 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).

89 internal medicine physician records list a practice address in Mission Hills

They are 89 of the 731 NPPES records with a practice address in Mission Hills, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Joseph Chambers, MD.Mission Hills, CA 913451467435297
  2. Delora Climaco, MD.Mission Hills, CA 913451407880743
  3. Jay Dhiman, MDMission Hills, CA 913451598758245
  4. Jose Esparrago, M.D.Mission Hills, CA 913451083616106
  5. Noel Flores, M.D.Mission Hills, CA 913451316921000
  6. Jennifer Hyer, D.O.Mission Hills, CA 913451770567711
  7. Manoj Mathew, M.D.Mission Hills, CA 913451962479816
  8. Jaganath Naidu, MDMission Hills, CA 913451447283924

Common questions

What is Samuel M. Nyamu, M.D.'s NPI number?

Samuel M. Nyamu, M.D.'s National Provider Identifier (NPI) is 1023268869, issued on Sep 30, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Samuel M. Nyamu, M.D. located?

The NPPES record lists a practice address at 11333 N Sepulveda Blvd, Mission Hills, CA, 91345. Phone: (818) 869-7248. Providers update this record themselves, so call before visiting.

How can I verify Samuel M. Nyamu, M.D.'s license?

NPPES lists California license number C165968, 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 Samuel M. Nyamu, M.D. prescribe under Medicare Part D?

In 2024, Samuel M. Nyamu, M.D. had 7,636 Medicare Part D claims for 736 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.