Registry data as of Aug 27, 2026

Mary Ann Barr, PH.D.

Prescribing (Medical) Psychologist · Mill Valley, CA

Mary Ann Barr, PH.D. is a prescribing (medical) psychologist with a practice address in Mill Valley, California, and NPI 1811102908, issued on May 11, 2007. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1811102908
Name
Mary Ann Barr
Credential
PH.D.
Primary taxonomy
Prescribing (Medical) Psychologist 103TP0016X
Practice location
277 Cascade Dr, Mill Valley, CA 94941
Phone
(415) 383-9245
Enumerated
May 11, 2007
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 Mary Ann Barr in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
Find 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 →

Prescribing (Medical) Psychologist providers in California

There are 27 prescribing (medical) psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 27 in California → Every provider in Mill Valley →

Other prescribing (medical) psychologist records in California

  1. Barry Aaronson, PSYCHOLOGISTIrvine, CA1851501787
  2. Claude Arnett, M.D.Santa Ana, CA1528245917
  3. Ali Azizi, MDEncino, CA1558567248
  4. Susan Bakota, ED.D.Beverly Hills, CA1861615924
  5. Debra Beckel, PSY.DVentura, CA1093931701
  6. Brent Cox, M.D.Petaluma, CA1043424237
  7. Judith Dietch, PH.DTempleton, CA1982828463
  8. Dyan Dreisbach, M.D.San Francisco, CA1396980520
  9. Consuelo Edwards, MDSanta Ana, CA1588906390
  10. Manuel Fernandez, PSYD, MSCPConcord, CA1558558676

Common questions

What is Mary Ann Barr, PH.D.'s NPI number?

Mary Ann Barr, PH.D.'s National Provider Identifier (NPI) is 1811102908, issued on May 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mary Ann Barr, PH.D. located?

The NPPES record lists a practice address at 277 Cascade Dr, Mill Valley, CA, 94941. Phone: (415) 383-9245. Providers update this record themselves, so call before visiting.

How can I verify Mary Ann Barr, PH.D.'s license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.