NPPES file of Aug 9, 2026

Ann Marie Belanger, DO

Family Medicine Physician · Alameda, CA

Ann Marie Belanger, DO is a family medicine physician with a practice address in Alameda, California, and NPI 1700415031, issued on Apr 7, 2020. Check the license (California 20A20830, 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
1700415031
Name
Ann Marie Belanger
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A20830 CA
Self-reported in NPPES; status is on the state search
Practice location
2433 Central Ave Ste A, Alameda, CA 94501
Phone
(510) 521-2300
Enumerated
Apr 7, 2020
Record last updated
Apr 15, 2024
Fax
(510) 521-7947
Medicare enrollment
Enrolled (PECOS I20230419002433); accepts Medicare assignment
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 2433 Central Ave Ste A

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

  1. Noor Azreen Ali, MDFamily Medicine Physician1891042958
  2. Sujata Behera, MA, MPH, PA-CPhysician Assistant1538796370
  3. Ashli Butler, FNPNurse Practitioner1942815998
  4. Irene Kwan, FNPNurse Practitioner1508038704
  5. Grace Mitchell, D.O.Family Medicine Physician1801327499
  6. Nancy Shaw, PAMedical Physician Assistant1972633147

Verify Ann Marie Belanger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A20830
    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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45% fewer Medicare Part D claims than the average family medicine physician in 2024

1,955 Medicare Part D claims for 407 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 56 claims were for opioids.

  1. Ann Belanger1,955
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium166 claims
  2. Amlodipine Besylate83 claims
  3. Lisinopril73 claims
  4. Gabapentin65 claims
  5. Rosuvastatin Calcium55 claims
  6. Hydrochlorothiazide45 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 AllianceAlameda, CA

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

18 family medicine physician records list a practice address in Alameda

They are 18 of the 2,492 NPPES records with a practice address in Alameda, and 17,133 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 Ann Marie Belanger, DO's NPI number?

Ann Marie Belanger, DO's National Provider Identifier (NPI) is 1700415031, issued on Apr 7, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Ann Marie Belanger, DO located?

The NPPES record lists a practice address at 2433 Central Ave Ste A, Alameda, CA, 94501. Phone: (510) 521-2300. Providers update this record themselves, so call before visiting.

How can I verify Ann Marie Belanger, DO's license?

NPPES lists California license number 20A20830, 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 Ann Marie Belanger, DO prescribe under Medicare Part D?

In 2024, Ann Marie Belanger, DO had 1,955 Medicare Part D claims for 407 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.