NPPES file of Aug 9, 2026

Nicholas Salpeter Buckley, DO

Geriatric Medicine (Family Medicine) Physician · San Mateo, CA

Nicholas Salpeter Buckley, DO is a geriatric medicine (family medicine) physician with a practice address in San Mateo, California, and NPI 1942738679, issued on May 25, 2017. Check the license (California 20A18014, 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
1942738679
Name
Nicholas Salpeter Buckley
Credential
DO
Primary taxonomy
Geriatric Medicine (Family Medicine) Physician 207QG0300X
License number
20A18014 CA
Self-reported in NPPES; status is on the state search
Practice location
66 Bovet RD Ste 100, San Mateo, CA 94402
Phone
(650) 554-1000
Enumerated
May 25, 2017
Record last updated
Sep 5, 2025
Fax
(650) 554-1018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Nicholas Salpeter Buckley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A18014
    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

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92% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024

434 Medicare Part D claims for 65 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Nicholas Buckley434
  2. Specialty average5,222

Most prescribed

  1. Atorvastatin Calcium25 claims
  2. Amlodipine Besylate21 claims
  3. Gabapentin20 claims
  4. Divalproex Sodium15 claims
  5. Trazodone Hcl15 claims
  6. Eliquis14 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.

Nicholas Salpeter Buckley among 243 geriatric medicine (family medicine) physician records in California

Nicholas Salpeter Buckley, DO is one of 243 geriatric medicine (family medicine) physician records with a practice address in California. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 86% of them.

  • NPI issued2017 · 86% of these records are older, 10% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 46% of these records are
  • Record last updated2025 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Family Medicine) Physician providers in California

There are 243 geriatric medicine (family medicine) physician records in California.

The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes

  1. Aarthi Anand, M.D.Palo Alto, CA 943061881776060
  2. Carol Winograd, MDStanford, CA 943051861370926
  3. Souren Forouhi, M.D.Palo Alto, CA 943041205289410
  4. Sheila Raumer, MDAlamo, CA 945071477530988
  5. Robert Formanek, M.D.Martinez, CA 945531972678811
  6. Willis Gelston, M.D.San Leandro, CA 945781134188360
  7. Douglas Zhang, M.D.San Leandro, CA 945781023074341
  8. Farah Alsaati, MDUnion City, CA 945871083147755

Common questions

What is Nicholas Salpeter Buckley, DO's NPI number?

Nicholas Salpeter Buckley, DO's National Provider Identifier (NPI) is 1942738679, issued on May 25, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Salpeter Buckley, DO located?

The NPPES record lists a practice address at 66 Bovet RD Ste 100, San Mateo, CA, 94402. Phone: (650) 554-1000. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Salpeter Buckley, DO's license?

NPPES lists California license number 20A18014, 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 Nicholas Salpeter Buckley, DO prescribe under Medicare Part D?

In 2024, Nicholas Salpeter Buckley, DO had 434 Medicare Part D claims for 65 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.