NPPES file of Aug 9, 2026

Christine Marshall, M.D.

Obesity Medicine (Family Medicine) Physician · San Francisco, CA

Christine Marshall, M.D. is an obesity medicine (family medicine) physician with a practice address in San Francisco, California, and NPI 1225412109, issued on Jul 10, 2015. Check the license 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
1225412109
Name
Christine Marshall
Credential
M.D.
Primary taxonomy
Obesity Medicine (Family Medicine) Physician 207QB0002X
License number
MD465343 PA
Self-reported in NPPES; status is on the state search
Practice location
1 Letterman Dr # C3500, San Francisco, CA 94129
Phone
(888) 722-4690
Enumerated
Jul 10, 2015
Record last updated
Feb 14, 2023
Fax
(888) 722-4690
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 Christine Marshall 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

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99% fewer Medicare Part D claims than the average obesity medicine (family medicine) physician in 2024

13 Medicare Part D claims, against an average of 1,031 among the 109 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Christine Marshall13
  2. Specialty average1,031

Most prescribed

  1. Levothyroxine Sodium13 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.

Obesity Medicine (Family Medicine) Physician providers in California

There are 12 obesity medicine (family medicine) physician records in California.

Other obesity medicine (family medicine) physician records in California

  1. Dedrick AligangaSan Bernardino, CA1477287597
  2. Elise F Atkins, MDSanta Cruz, CA1578542676
  3. Asif Azimi, M.D.Lawndale, CA1225226012
  4. Summer AzmatRoseville, CA1770143661
  5. Sheila Hughes, M.D.Los Angeles, CA1912926767
  6. Robert Krause, MDLakeport, CA1922288984
  7. Sajid Mehmood, M.D.Sunnyvale, CA1063749638
  8. Phyllis Schorr, MDModesto, CA1962045047
  9. Sydney SkinnerPico Rivera, CA1073086344
  10. Sarah Turner, M.D.Fontana, CA1083891253

Common questions

What is Christine Marshall, M.D.'s NPI number?

Christine Marshall, M.D.'s National Provider Identifier (NPI) is 1225412109, issued on Jul 10, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Christine Marshall, M.D. located?

The NPPES record lists a practice address at 1 Letterman Dr # C3500, San Francisco, CA, 94129. Phone: (888) 722-4690. Providers update this record themselves, so call before visiting.

How can I verify Christine Marshall, 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 Christine Marshall, M.D. prescribe under Medicare Part D?

In 2024, Christine Marshall, M.D. had 13 Medicare Part D claims; the average among obesity medicine (family medicine) physician prescribers was 1,031. 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.