Molly Hassler
Behavior Technician · San Mateo, CA
Molly Hassler is a behavior technician with a practice address in San Mateo, California, and NPI 1285404335, issued on Jan 8, 2024. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Molly Hassler
- Primary taxonomy
- Behavior Technician 106S00000X
- Practice location
- 1900 S Norfolk St Ste 205, San Mateo, CA 94403
- Phone
- (650) 242-0179
- Enumerated
- Jan 8, 2024
- Entity
- Type 1 · individual
Also registered at 1900 S Norfolk St Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Molly Hassler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
845 behavior technician records list a San Mateo practice address
They are 845 of the 3,909 NPPES records with a San Mateo practice address, and 174,024 behavior technician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 845 in San Mateo → All 174,024 in California → Every provider in San Mateo →
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- Madeleine AahlSan Leandro, CA1386288140
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Common questions
What is Molly Hassler's NPI number?
Molly Hassler's National Provider Identifier (NPI) is 1285404335, issued on Jan 8, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Molly Hassler located?
The NPPES record lists a practice address at 1900 S Norfolk St Ste 205, San Mateo, CA, 94403. Phone: (650) 242-0179. Providers update this record themselves, so call before visiting.
How can I verify Molly Hassler'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.