Marc Ellyn Garth, PHD
Clinical Psychologist · San Francisco, CA
Marc Ellyn Garth, PHD is a clinical psychologist with a practice address in San Francisco, California, and NPI 1215188347, issued on Oct 7, 2008. Check the license (California PSY18706, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marc Ellyn Garth
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY18706 CA
Self-reported in NPPES; status is on the state search - Practice location
- 760 Harrison St, San Francisco, CA 94107
- Phone
- (415) 836-1721
- Enumerated
- Oct 7, 2008
- Record last updated
- Sep 30, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100521000521); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 760 Harrison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jesus Agregado, PEER CASE MANAGERCase Manager/Care Coordinator1356464879
- Samuel AguirreMental Health Counselor1275805210
- Jacklyn AngStudent in an Organized Health Care Education/Training Program1427651520
- Alicia AvellaBehavior Analyst1093062416
- Alex Barnes, MH COUNSELORCommunity Health Worker1447373972
- Russell BermanSocial Worker1396864989
Verify Marc Ellyn Garth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY18706Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 90.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- City And County OF San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc Ellyn Garth among 12,647 clinical psychologist records in California
Marc Ellyn Garth, 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. Its NPI, issued in 2008, is newer than 43% of them.
- NPI issued2008 · 43% of these records are older, 51% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2000 · median 2006 among the 2,424 with a school on file
- Record last updated2009 · 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).
802 clinical psychologist records list a practice address in San Francisco
They are 802 of the 38,143 NPPES records with a practice address in San Francisco, and 12,647 clinical psychologist records in California.
All 12,647 in California → Every provider in San Francisco → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Angelica Almeida, PH.D.San Francisco, CA 941071245377472
- Elizabeth Gayner, PSY.D.San Francisco, CA 941071851519565
- Stephanie Haft, PHDSan Francisco, CA 941071871279364
- Giovanni Herrera, PSY.D.San Francisco, CA 941071275652869
- Tamara Hicks, PSY.D.San Francisco, CA 941071952483000
- Kimberly Nguyen, PSYD, LMFTSan Francisco, CA 941071932468592
- Nicole Ridout, PSY.D.San Francisco, CA 941071063654226
- Robert Schulz-Heik, PH.D.San Francisco, CA 941071679845770
Common questions
What is Marc Ellyn Garth, PHD's NPI number?
Marc Ellyn Garth, PHD's National Provider Identifier (NPI) is 1215188347, issued on Oct 7, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Marc Ellyn Garth, PHD located?
The NPPES record lists a practice address at 760 Harrison St, San Francisco, CA, 94107. Phone: (415) 836-1721. Providers update this record themselves, so call before visiting.
How can I verify Marc Ellyn Garth, PHD's license?
NPPES lists California license number PSY18706, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
What is Marc Ellyn Garth, PHD's MIPS final score?
The 2023 MIPS final score is 90.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.