Doctor profile · Federal record

Dr. Kari Fay, M.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · San Marcos, TX

  • NPI 1023236304
  • Accepts Medicare
  • MIPS 81.6 / 100 · 2023
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1305 Wonder World Dr Ste 209
San Marcos, TX 786667541
(512) 396-7575
fax (512) 396-7555

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
October 7, 2011
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Texas #N8507

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023236304. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
61
Distinct HCPCS
2
Medicare allowed
$8,109
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 44 41 $125
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $155

In context: peer comparison

Among 3 peers in this city , average services per provider: 34. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$274
Transactions
15
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 5 $114.45
MAYNE PHARMA COMMERCIAL LLC 2 $44.36
Organon Llc 3 $27.34
Sumitomo Pharma America, Inc. 1 $23.89
MILLICENT US INC 1 $18.94
Exeltis, USA Inc. 1 $16.77
Biogen, Inc. 1 $14.87
SHIELD THERAPEUTICS INC 1 $13.18

By nature of payment

Food and Beverage
$274

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
177
Patients
47
Total drug cost
$9,271
Drug Type Claims Patients Total cost
Estradiol Generic 87 34 $4,427
Clobetasol Propionate Generic 22 13 $1,700
Progesterone (Progesterone, Micronized) Brand 20 0 $967
Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) Brand 19 0 $640
Valacyclovir (Valacyclovir Hcl) Brand 18 0 $774
Estradiol (Twice Weekly) (Estradiol) Brand 11 0 $762

Frequently asked questions

Auto-generated from federal data
What is Dr. Kari Fay's medical specialty?
Dr. Kari Fay practices Obstetrics & Gynecology Physician in San Marcos, TX.
Where does Dr. Kari Fay practice?
Dr. Kari Fay practices at 1305 Wonder World Dr Ste 209, San Marcos, TX 786667541. Office phone: 5123967575.
What is Dr. Kari Fay's NPI?
Dr. Kari Fay's National Provider Identifier (NPI) is 1023236304, issued by NPPES.
Does Dr. Kari Fay accept Medicare assignment?
Yes. Dr. Kari Fay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kari Fay commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.