Doctor profile · Federal record

Dr. Gladys Frias Andaya, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Riverside, CA

  • NPI 1265457170
  • Accepts Medicare
  • MIPS 83.2 / 100 · 2023
  • 32 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10800 Magnolia Ave
Riverside, CA 925053043
(951) 353-2000

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 21, 2021
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #A55218

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265457170. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
72
Distinct HCPCS
3
Medicare allowed
$6,496
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 44 24 $94
99203 New patient office or other outpatient visit, 30-44 minutes 17 17 $111
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 11 11 $41

In context: peer comparison

Among 5 peers in Riverside Obstetrics & Gynecology Physician, average services per provider: 23. This provider delivers 3.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
40
Patients
27
Total drug cost
$2,333
Drug Type Claims Patients Total cost
Estradiol Generic 40 27 $2,333

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gladys Frias Andaya's medical specialty?
Dr. Gladys Frias Andaya practices Obstetrics & Gynecology Physician in Riverside, CA.
Where does Dr. Gladys Frias Andaya practice?
Dr. Gladys Frias Andaya practices at 10800 Magnolia Ave, Riverside, CA 925053043. Office phone: 9513532000.
What is Dr. Gladys Frias Andaya's NPI?
Dr. Gladys Frias Andaya's National Provider Identifier (NPI) is 1265457170, issued by NPPES.
Does Dr. Gladys Frias Andaya accept Medicare assignment?
Yes. Dr. Gladys Frias Andaya accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gladys Frias Andaya commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.