Registry data as of Aug 27, 2026

Nathan Becker, M.D.

Endocrinology, Diabetes & Metabolism Physician · San Francisco, CA

Nathan Becker, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in San Francisco, California, and NPI 1972696250, issued on Oct 1, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1972696250
Name
Nathan Becker
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
Practice location
350 Parnassus Ave, San Francisco, CA 94117
Phone
(415) 681-7707
Enumerated
Oct 1, 2006
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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Also registered at 350 Parnassus Ave

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

  1. Karen Bagatelos, M.S.N.,N.P.Nurse Practitioner1780881045
  2. Nathan Bass, MDInternal Medicine Physician1689638959
  3. Dwight Bissell, MDInternal Medicine Physician1831141241
  4. Michael Blum, MDInternal Medicine Physician1972568889
  5. Eric Buxton, M.D.Endocrinology, Diabetes & Metabolism Physician1134210362
  6. Jennifer Cademartori, NPFamily Nurse Practitioner1770504300

Verify Nathan Becker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

51% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

4,145 Medicare Part D claims for 314 beneficiaries, against an average of 2,739 among the 6,176 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.

  1. Nathan Becker4,145
  2. Specialty average2,739

Most prescribed

  1. Synthroid931 claims
  2. Liothyronine Sodium773 claims
  3. Metformin Hcl Er386 claims
  4. Tirosint251 claims
  5. Olmesartan Medoxomil133 claims
  6. Rybelsus118 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.

Industry payments in 2024: $667.71

28 payments, mostly food and beverage; the largest payer was Lilly USA, LLC. The 4,299 providers of this specialty with any payment received $6,068.67 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nathan Becker$667.71
  2. Specialty average$6,068.67

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 890 endocrinology, diabetes & metabolism physician records in California.

All 890 in California → Every provider in San Francisco →

Other endocrinology, diabetes & metabolism physician records in California

  1. Anita Abraham, M.D.Stockton, CA1558380337
  2. Sallie Adams, M.D.Roseville, CA1255342085
  3. Ananta AddalaPalo Alto, CA1740669563
  4. Helen Adelberg, M.D.Encino, CA1093935447
  5. David Aftergood, MDBeverly Hills, CA1639259328
  6. Bahar Aghighi, MDSanta Cruz, CA1770562134
  7. Tyler Aguinaldo, MDBurlingame, CA1306811906
  8. Susan Ahern, D.O.Ventura, CA1508156597
  9. Scott Ahl, D.O.Huntington Beach, CA1558674523
  10. Sheila Ahmadi, MDLos Angeles, CA1194800094

Common questions

What is Nathan Becker, M.D.'s NPI number?

Nathan Becker, M.D.'s National Provider Identifier (NPI) is 1972696250, issued on Oct 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Becker, M.D. located?

The NPPES record lists a practice address at 350 Parnassus Ave, San Francisco, CA, 94117. Phone: (415) 681-7707. Providers update this record themselves, so call before visiting.

How can I verify Nathan Becker, M.D.'s license?

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 Nathan Becker, M.D. prescribe under Medicare Part D?

In 2024, Nathan Becker, M.D. had 4,145 Medicare Part D claims for 314 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,739. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.