Registry data as of Aug 27, 2026

Margot Brown, MD, MS

Family Medicine Physician · Rohnert Park, CA

Margot Brown, MD, MS is a family medicine physician with a practice address in Rohnert Park, California, and NPI 1689092165, issued on Apr 2, 2014. 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
1689092165
Name
Margot Brown
Credential
MD, MS
Primary taxonomy
Family Medicine Physician 207Q00000X
Practice location
1801 E Cotati Ave, Rohnert Park, CA 94928
Phone
(707) 664-2921
Enumerated
Apr 2, 2014
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 1801 E Cotati Ave

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

  1. Hilda ArakelianRegistered Nurse1922954304
  2. Jennifer Buescher, MSN FNPFamily Nurse Practitioner1467865550
  3. Hana Clark, DOFamily Medicine Physician1730479569
  4. William Dixon, M.D.Adolescent Medicine (Family Medicine) Physician1851429377
  5. Mitzi Fogg, R.N., M.S.N., F.N.P.Family Nurse Practitioner1881802148
  6. Dara Hayden, PSY.D.Mental Health Counselor1548455413

Verify Margot Brown 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 →

77% fewer Medicare Part D claims than the average family medicine physician in 2024

794 Medicare Part D claims for 100 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. 64 claims were for opioids.

  1. Margot Brown794
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium40 claims
  2. Hydrocodone-Acetaminophen30 claims
  3. Levothyroxine Sodium30 claims
  4. Omeprazole27 claims
  5. Lubiprostone22 claims
  6. Lisinopril20 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: $100.94

3 payments, mostly food and beverage; the largest payer was Abiomed. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Margot Brown$100.94
  2. Specialty average$861.30

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

One hospital or facility affiliation

  1. Sonoma County Indian Health Project IncSanta Rosa, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

33 family medicine physician records list a Rohnert Park practice address

They are 33 of the 483 NPPES records with a Rohnert Park practice address, and 16,272 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Margot Brown, MD, MS's NPI number?

Margot Brown, MD, MS's National Provider Identifier (NPI) is 1689092165, issued on Apr 2, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Margot Brown, MD, MS located?

The NPPES record lists a practice address at 1801 E Cotati Ave, Rohnert Park, CA, 94928. Phone: (707) 664-2921. Providers update this record themselves, so call before visiting.

How can I verify Margot Brown, MD, MS'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 Margot Brown, MD, MS prescribe under Medicare Part D?

In 2024, Margot Brown, MD, MS had 794 Medicare Part D claims for 100 beneficiaries; the average among family medicine physician prescribers was 3,519. 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.

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.