NPPES file of Aug 9, 2026

Alan Pinyavat, MD

Internal Medicine Physician · Menlo Park, CA

Alan Pinyavat, MD is an internal medicine physician with a practice address in Menlo Park, California, and NPI 1174749956, issued on Apr 18, 2007. Check the license (California C135359, 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
1174749956
Name
Alan Pinyavat
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
C135359 CA
Self-reported in NPPES; status is on the state search
Practice location
1300 Crane St, Menlo Park, CA 94025
Phone
(650) 498-6500
Enumerated
Apr 18, 2007
Record last updated
Apr 23, 2024
Medicare enrollment
Enrolled (PECOS I20150909001260); accepts Medicare assignment
Medical or professional school
New York University School Of Medicine, 2006
Telehealth
Offers telehealth (CMS)
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 1300 Crane St

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

  1. Sarah Bahm, MDPediatrics Physician1841634128
  2. Eliza Bennitt, MDInternal Medicine Physician1043315740
  3. Jessica Buesing, MDInternal Medicine Physician1487159513
  4. Nidhi Chaudhry, M.DInternal Medicine Physician1447540398
  5. Hui Chen, M.D.Diagnostic Radiology Physician1275704371
  6. Victoria Chen, MDInternal Medicine Physician1073705067

Verify Alan Pinyavat in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C135359
    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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5% more Medicare Part D claims than the average internal medicine physician in 2024

3,320 Medicare Part D claims for 391 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 29 claims were for opioids.

  1. Alan Pinyavat3,320
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium317 claims
  2. Amlodipine Besylate161 claims
  3. Levothyroxine Sodium147 claims
  4. Lisinopril122 claims
  5. Rosuvastatin Calcium110 claims
  6. Tamsulosin Hcl94 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. University Healthcare AllianceMenlo Park, CA

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

Alan Pinyavat among 17,696 internal medicine physician records in California

Alan Pinyavat, MD 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 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 44% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2006 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 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).

47 internal medicine physician records list a practice address in Menlo Park

They are 47 of the 1,265 NPPES records with a practice address in Menlo Park, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Yumi Ando, M.D.Menlo Park, CA 940251376658146
  2. Sara Bunting, MDMenlo Park, CA 940251639181381
  3. Linda Fresco, MDMenlo Park, CA 940251811092901
  4. Susan Garay, MDMenlo Park, CA 940251437114006
  5. F McDowell, MDMenlo Park, CA 940251154384576
  6. Eileen Moy, MDMenlo Park, CA 940251083617583
  7. Anthony Powell, MDMenlo Park, CA 940251740247899
  8. Kristen Sherman, M.D.Menlo Park, CA 940251770513335

Common questions

What is Alan Pinyavat, MD's NPI number?

Alan Pinyavat, MD's National Provider Identifier (NPI) is 1174749956, issued on Apr 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Alan Pinyavat, MD located?

The NPPES record lists a practice address at 1300 Crane St, Menlo Park, CA, 94025. Phone: (650) 498-6500. Providers update this record themselves, so call before visiting.

How can I verify Alan Pinyavat, MD's license?

NPPES lists California license number C135359, 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 Alan Pinyavat, MD prescribe under Medicare Part D?

In 2024, Alan Pinyavat, MD had 3,320 Medicare Part D claims for 391 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.