Doctor profile · Federal record

Dr. Gregory Tarasoff, MD

Psychiatry Physician · San Mateo, CA

  • NPI 1992963961
  • 18 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
2600 S El Camino Real
San Mateo, CA 944032380
(650) 373-0777
Additional location
1234 Empire St
Fairfield, CA 945335711
(707) 648-8121
Additional location
1600 California Dr, Mental Health Crisis Bed Facility
Vacaville, CA 95687
(707) 448-6841
Show 1 more location
Additional location
902 Tuolumne St
Vallejo, CA 945904641
(707) 648-8021
Mailing address
2600 S El Camino Real Ste 100
San Mateo, CA 944032381

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
October 1, 2019
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #A60464

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992963961. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
239
Distinct HCPCS
3
Medicare allowed
$30,123
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 101 15 $104
99215 Established patient office or other outpatient visit, 40-54 minutes 77 11 $203
99212 Established patient office or other outpatient visit, 10-19 minutes 61 11 $66

In context: peer comparison

Among 8 peers in this city , average services per provider: 82. This provider delivers 2.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
432
Patients
0
Total drug cost
$172,528
Drug Type Claims Patients Total cost
Olanzapine Generic 87 0 $4,950
Quetiapine Fumarate Generic 44 0 $1,898
Benztropine Mesylate Generic 38 0 $672
Propranolol Hcl Generic 35 0 $644
Quetiapine Fumarate Er (Quetiapine Fumarate) Brand 34 0 $882
Aripiprazole Generic 30 0 $8,798
Invega Sustenna (Paliperidone Palmitate) Brand 30 0 $104,331
Divalproex Sodium Er (Divalproex Sodium) Brand 29 0 $2,390
Risperidone Generic 19 0 $655
Abilify Maintena (Aripiprazole) Brand 17 0 $46,135

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Tarasoff's medical specialty?
Dr. Gregory Tarasoff practices Psychiatry Physician in San Mateo, CA.
Where does Dr. Gregory Tarasoff practice?
Dr. Gregory Tarasoff practices at 2600 S El Camino Real, San Mateo, CA 944032380. Office phone: 6503730777.
What is Dr. Gregory Tarasoff's NPI?
Dr. Gregory Tarasoff's National Provider Identifier (NPI) is 1992963961, issued by NPPES.
What procedures does Dr. Gregory Tarasoff commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.