Doctor profile · Federal record

Dr. Gabriela Gayer, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Body Imaging Physician · San Francisco, CA

  • NPI 1447459532
  • Accepts Medicare
  • 39 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
505 Parnassus Ave # M391
San Francisco, CA 941432204
(415) 476-1537
Additional location
300 Pasteur Dr, Rm S076 Mc 5105
Stanford, CA 943052200
(650) 725-0541
Mailing address
914 Varian Way
Palo Alto, CA 943042410

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
April 19, 2023
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #A124560

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447459532. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
698
Distinct HCPCS
10
Medicare allowed
$41,020
HCPCS Description Services Patients Avg allowed
74018 X-ray of abdomen, 1 view 241 184 $10
74177 Ct scan of abdomen and pelvis with contrast 213 210 $97
74177 Ct scan of abdomen and pelvis with contrast 49 49 $99
74176 Ct scan of abdomen and pelvis without contrast 36 36 $92
71045 X-ray of chest, 1 view 35 30 $10
74178 Ct scan of abdomen and pelvis before and after contrast 33 33 $106
74174 Ct scan of blood vessels of abdomen and pelvis with contrast 23 23 $110
71260 Ct scan of chest with contrast 22 22 $58
74230 Imaging for evaluation of swallowing function 19 19 $28
71275 Ct scan of blood vessels of chest with contrast 16 16 $92

In context: peer comparison

Among 102 peers in San Francisco Diagnostic Radiology Physician, average services per provider: 133. This provider delivers 5.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Gabriela Gayer's medical specialty?
Dr. Gabriela Gayer practices Diagnostic Radiology Physician in San Francisco, CA.
Where does Dr. Gabriela Gayer practice?
Dr. Gabriela Gayer practices at 505 Parnassus Ave # M391, San Francisco, CA 941432204. Office phone: 4154761537.
What is Dr. Gabriela Gayer's NPI?
Dr. Gabriela Gayer's National Provider Identifier (NPI) is 1447459532, issued by NPPES.
Does Dr. Gabriela Gayer accept Medicare assignment?
Yes. Dr. Gabriela Gayer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gabriela Gayer commonly perform?
Top Medicare-reported procedures in 2023: X-ray of abdomen, 1 view (HCPCS 74018); Ct scan of abdomen and pelvis with contrast (HCPCS 74177); Ct scan of abdomen and pelvis with contrast (HCPCS 74177). Source: CMS Medicare Physician & Other Practitioners file.