Registry data as of Aug 27, 2026

Rosemary Breiter

Behavior Analyst · Walnut Creek, CA

Rosemary Breiter is a behavior analyst with a practice address in Walnut Creek, California, and NPI 1770172918, issued on Jan 12, 2021. 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
1770172918
Name
Rosemary Breiter
Primary taxonomy
Behavior Analyst 103K00000X
Practice location
1910 Olympic Blvd Ste 140150, Walnut Creek, CA 94596
Phone
(925) 433-0990
Enumerated
Jan 12, 2021
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 1910 Olympic Blvd Ste 140150

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

  1. Amber AddisonBehavior Analyst1902382914
  2. Marsha BridgetteBehavior Analyst1205439874
  3. Nicolas BuitragoBehavior Technician1447846183
  4. Dara CarrBehavior Technician1881197762
  5. Lauren ChowBehavior Analyst1083193130
  6. Sarra El ChaarBehavior Technician1538755293

Verify Rosemary Breiter 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 →

194 behavior analyst records list a Walnut Creek practice address

They are 194 of the 6,170 NPPES records with a Walnut Creek practice address, and 19,950 behavior analyst records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other behavior analyst records in California

  1. Eduardo A HernandezTorrance, CA1811564081
  2. Ali AaronNapa, CA1689112575
  3. Elise AasenSan Francisco, CA1952829210
  4. Melanie Ann AbadSan Mateo, CA1366808545
  5. Marine Abadzhyan, ANorth Hollywood, CA1437533494
  6. Ashley Aurora AbalosRancho Cucamonga, CA1225974124
  7. Valerie Abaniel, M.A BCBAFullerton, CA1336377340
  8. Althea Abaqueta, BCBAFountain Valley, CA1619272853
  9. Stephanie AbarcaCorona, CA1124987656
  10. Vanessa AbarcaSan Jose, CA1558900910

Common questions

What is Rosemary Breiter's NPI number?

Rosemary Breiter's National Provider Identifier (NPI) is 1770172918, issued on Jan 12, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Rosemary Breiter located?

The NPPES record lists a practice address at 1910 Olympic Blvd Ste 140150, Walnut Creek, CA, 94596. Phone: (925) 433-0990. Providers update this record themselves, so call before visiting.

How can I verify Rosemary Breiter'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.

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.