John Manfred Maas, EDD
Psychologist · San Rafael, CA
John Manfred Maas, EDD is a psychologist with a practice address in San Rafael, California, and NPI 1730239906, issued on Jan 11, 2007. Check the license (California PSY8849, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Manfred Maas
- Credential
- EDD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY8849 CA
Self-reported in NPPES; status is on the state search - Practice location
- 820 Las Gallinas Ave, San Rafael, CA 94903
- Phone
- (415) 444-3037
- Enumerated
- Jan 11, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (415) 444-3019
- Entity
- Type 1 · individual
Also registered at 820 Las Gallinas Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Susan Dyer, PSY.D.Clinical Psychologist1316157456
- Mark Goldstein, PH.D.Psychologist1376606863
Verify John Manfred Maas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY8849Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47 psychologist records list a practice address in San Rafael
They are 47 of the 3,159 NPPES records with a practice address in San Rafael, and 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 47 in San Rafael → All 7,304 in California → Every provider in San Rafael →
Other psychologist records in California
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- Michael Abbott, PSYDModesto, CA1346498151
- Riley AbelesLos Angeles, CA1841861945
- Jenna Abell, PSYDLos Angeles, CA1073743969
- Sheri Abercrombie, PSY.D.San Diego, CA1932292422
- Tseday Aberra, PSY.D.Corona, CA1104026517
- Elham Abouhamzeh, PSY.DIrvine, CA1386092880
- Lilit Abraamyan-ChaidezBurbank, CA1710433289
- Mackenzie Abraham, PHDRedondo Beach, CA1881053833
- Sandra Abraham, PSYDSanta Fe Springs, CA1427467851
Common questions
What is John Manfred Maas, EDD's NPI number?
John Manfred Maas, EDD's National Provider Identifier (NPI) is 1730239906, issued on Jan 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Manfred Maas, EDD located?
The NPPES record lists a practice address at 820 Las Gallinas Ave, San Rafael, CA, 94903. Phone: (415) 444-3037. Providers update this record themselves, so call before visiting.
How can I verify John Manfred Maas, EDD's license?
NPPES lists California license number PSY8849, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.