Doctor profile · Federal record

Dr. Robert Bristow, MD

Gynecologic Oncology Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · Orange, CA

  • NPI 1427016039
  • Accepts Medicare
  • 35 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 the City Drive South
Orange, CA 92868
(410) 955-6700
Mailing address
Po Box 513980
Los Angeles, CA 900513980

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 16, 2011
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State licenses (2)
California #G81369 · Maryland #D53552
Medicaid (2)
CA #00G813690 · MD #221505500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427016039. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
159
Distinct HCPCS
4
Medicare allowed
$20,608
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 79 43 $105
99215 Established patient office or other outpatient visit, 40-54 minutes 52 31 $154
99205 New patient office or other outpatient visit, 60-74 minutes 16 16 $194
99443 Telephone medical discussion with physician, 21-30 minutes 12 11 $104

In context: peer comparison

Among 2 peers in Orange Gynecologic Oncology Physician, average services per provider: 64. This provider delivers 2.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
0
Total drug cost
$114,107
Drug Type Claims Patients Total cost
Lynparza (Olaparib) Brand 14 0 $114,107

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Bristow's medical specialty?
Dr. Robert Bristow practices Gynecologic Oncology Physician in Orange, CA.
Where does Dr. Robert Bristow practice?
Dr. Robert Bristow practices at 101 the City Drive South, Orange, CA 92868. Office phone: 4109556700.
What is Dr. Robert Bristow's NPI?
Dr. Robert Bristow's National Provider Identifier (NPI) is 1427016039, issued by NPPES.
Does Dr. Robert Bristow accept Medicare assignment?
Yes. Dr. Robert Bristow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Bristow commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.