Doctor profile · Federal record

Dr. Sara Ramirez, MD

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

  • NPI 1467401638
  • Accepts Medicare
  • 39 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
26800 Crown Valley Pkwy, Suite 525
Mission Viejo, CA 926918029
(949) 364-1040
fax (949) 365-7037
Additional location
665 Camino de Los Mares Ste 303A
San Clemente, CA 926732841
fax (949) 661-0443

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 10, 2021
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #G85658
Medicaid
CA #G856580

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467401638. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
131
Distinct HCPCS
4
Medicare allowed
$11,859
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 52 52 $43
99214 Established patient office or other outpatient visit, 30-39 minutes 36 31 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 26 21 $98
99203 New patient office or other outpatient visit, 30-44 minutes 17 17 $122

In context: peer comparison

Among 9 peers in this city , average services per provider: 34. This provider delivers 3.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$174
Transactions
9
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Biogen, Inc. 4 $91.60
PFIZER INC. 3 $49.18
Aspira Women's Health Inc 1 $17.85
Exeltis, USA Inc. 1 $15.39

By nature of payment

Food and Beverage
$174

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
146
Patients
23
Total drug cost
$19,575
Drug Type Claims Patients Total cost
Estradiol Generic 54 23 $3,862
Yuvafem (Estradiol) Brand 21 0 $4,581
Valacyclovir (Valacyclovir Hcl) Brand 18 0 $1,378
Premarin (Estrogens, Conjugated) Brand 14 0 $6,607
Progesterone (Progesterone, Micronized) Brand 14 0 $688
Medroxyprogesterone Acetate Generic 13 0 $154
Estradiol (Once Weekly) (Estradiol) Brand 12 0 $2,304

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sara Ramirez's medical specialty?
Dr. Sara Ramirez practices Obstetrics & Gynecology Physician in Mission Viejo, CA.
Where does Dr. Sara Ramirez practice?
Dr. Sara Ramirez practices at 26800 Crown Valley Pkwy, Mission Viejo, CA 926918029. Office phone: 9493641040.
What is Dr. Sara Ramirez's NPI?
Dr. Sara Ramirez's National Provider Identifier (NPI) is 1467401638, issued by NPPES.
Does Dr. Sara Ramirez accept Medicare assignment?
Yes. Dr. Sara Ramirez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sara Ramirez commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.