Doctor profile · Federal record

Dr. Gregory Bishop, M.D.

Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · San Diego, CA

  • NPI 1003855545
  • Accepts Medicare
  • 41 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 W Arbor Dr
San Diego, CA 921039000
(760) 724-8411
Mailing address
Po Box 232410
San Diego, CA 921932410

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
April 20, 2018
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (2)
California #G61181 · Ohio #35053888
Medicaid
OH #0639518

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003855545. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
428
Distinct HCPCS
3
Medicare allowed
$42,976
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 263 84 $111
90833 Psychotherapy with evaluation and management visit, 30 minutes 144 50 $66
90792 Psychiatric diagnostic evaluation with medical services 21 21 $197

In context: peer comparison

Among 54 peers in this city , average services per provider: 141. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
923
Patients
162
Total drug cost
$38,903
Drug Type Claims Patients Total cost
Clonazepam Generic 95 17 $530
Sertraline Hcl Generic 90 17 $897
Aripiprazole Generic 85 23 $7,126
Buspirone Hcl Generic 83 19 $1,035
Lamotrigine Generic 78 18 $796
Mirtazapine Generic 70 15 $897
Bupropion Xl (Bupropion Hcl) Brand 66 13 $1,637
Duloxetine Hcl Generic 57 16 $991
Lorazepam Generic 54 0 $404
Quetiapine Fumarate Generic 51 12 $786

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Bishop's medical specialty?
Dr. Gregory Bishop practices Psychiatry Physician in San Diego, CA.
Where does Dr. Gregory Bishop practice?
Dr. Gregory Bishop practices at 200 W Arbor Dr, San Diego, CA 921039000. Office phone: 7607248411.
What is Dr. Gregory Bishop's NPI?
Dr. Gregory Bishop's National Provider Identifier (NPI) is 1003855545, issued by NPPES.
Does Dr. Gregory Bishop accept Medicare assignment?
Yes. Dr. Gregory Bishop accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Bishop commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Psychotherapy with evaluation and management visit (HCPCS 90833); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.