Marcus Flathman, PHD
Clinical Psychologist · Santa Barbara, CA
Marcus Flathman, PHD is a clinical psychologist with a practice address in Santa Barbara, California, and NPI 1760565121, issued on Oct 21, 2006. Check the license (California 23289, 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
- Marcus Flathman
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 23289 CA
Self-reported in NPPES; status is on the state search - Practice location
- 123 W Padre St Ste C, Santa Barbara, CA 93105
- Phone
- (805) 617-6002
- Enumerated
- Oct 21, 2006
- Record last updated
- Sep 12, 2025
- Medicare enrollment
- Enrolled (PECOS I20221209000945); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 123 W Padre St Ste C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Oksana Yakushko, PHDPsychologist1851697379
Verify Marcus Flathman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 23289Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marcus Flathman among 12,647 clinical psychologist records in California
Marcus Flathman, PHD is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 80% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1996 · median 2006 among the 2,424 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
110 clinical psychologist records list a practice address in Santa Barbara
They are 110 of the 5,328 NPPES records with a practice address in Santa Barbara, and 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 12,647 in California → Every provider in Santa Barbara → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Stephen Bacon, PH.D.Santa Barbara, CA 931051770606691
- Nora Hallock, PHDSanta Barbara, CA 931051720227119
- Carol Hemingway, PH.D.Santa Barbara, CA 931051396952776
- Kimberly Herriman, PSYDSanta Barbara, CA 931051710037338
- Linda HolderSanta Barbara, CA 931051053559914
- Dean Janoff, PH.D.Santa Barbara, CA 931051336222868
- Karen Lehman, PH.D.Santa Barbara, CA 931051023164688
- Christine Lewis, PHDSanta Barbara, CA 931051154418747
Common questions
What is Marcus Flathman, PHD's NPI number?
Marcus Flathman, PHD's National Provider Identifier (NPI) is 1760565121, issued on Oct 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marcus Flathman, PHD located?
The NPPES record lists a practice address at 123 W Padre St Ste C, Santa Barbara, CA, 93105. Phone: (805) 617-6002. Providers update this record themselves, so call before visiting.
How can I verify Marcus Flathman, PHD's license?
NPPES lists California license number 23289, 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.