Gregory John Tarasoff, MD
Psychiatry Physician · San Mateo, CA
Gregory John Tarasoff, MD is a psychiatry physician with a practice address in San Mateo, California, and NPI 1992963961, issued on May 27, 2008. Check the license (California A60464, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory John Tarasoff
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A60464 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2600 S EL Camino Real, San Mateo, CA 94403
- Phone
- (650) 373-0777
- Enumerated
- May 27, 2008
- Record last updated
- Oct 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 2600 S EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory John Tarasoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A60464Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average psychiatry physician in 2024
50 Medicare Part D claims for 12 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Olanzapine13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Gregory John Tarasoff among 8,673 psychiatry physician records in California
Gregory John Tarasoff, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 52% of them.
- NPI issued2008 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2019 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
89 psychiatry physician records list a practice address in San Mateo
They are 89 of the 3,909 NPPES records with a practice address in San Mateo, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Mateo → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Kathleen Akiyama, M.D.San Mateo, CA 944031194886879
- Nasrin Bashiri, MDSan Mateo, CA 944031700974920
- Hung-Ming Chu, M.D.San Mateo, CA 944031790834174
- Vikas Duvvuri, M.D., PH.D.San Mateo, CA 944031255470480
- D. Feeley, M.D.San Mateo, CA 944031548351158
- Mina Fisher, M.D.San Mateo, CA 944031124037874
- Nandini Ganpule, MDSan Mateo, CA 944031326110156
- Lynne Haynes-Tucker, MDSan Mateo, CA 944031689737157
Common questions
What is Gregory John Tarasoff, MD's NPI number?
Gregory John Tarasoff, MD's National Provider Identifier (NPI) is 1992963961, issued on May 27, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gregory John Tarasoff, MD located?
The NPPES record lists a practice address at 2600 S EL Camino Real, San Mateo, CA, 94403. Phone: (650) 373-0777. Providers update this record themselves, so call before visiting.
How can I verify Gregory John Tarasoff, MD's license?
NPPES lists California license number A60464, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory John Tarasoff, MD prescribe under Medicare Part D?
In 2024, Gregory John Tarasoff, MD had 50 Medicare Part D claims for 12 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions 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. 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.