Doctor profile · Federal record

Dr. Kathryn Marko, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Washington, DC

  • NPI 1366636375
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2150 Pennsylvania Ave Nw, 6A-426
Washington, DC 200373201
(202) 741-2500
fax (202) 741-2550

Credentials & registration

NPPES · NUCC
NPI registered
September 2007 — 19 yrs on file
Profile last updated
August 4, 2011
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Illinois #036.124489

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366636375. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
37
Distinct HCPCS
1
Medicare allowed
$1,698
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 37 37 $46

In context: peer comparison

Among 19 peers in this city , average services per provider: 23. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$195
Transactions
8
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo Inc. 2 $49.62
MILLICENT US INC 2 $39.16
Axonics, Inc. 1 $35.27
Solventum Corporation 1 $26.32
CooperSurgical, Inc. 1 $22.91
Exeltis, USA Inc. 1 $21.24

By nature of payment

Food and Beverage
$195

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
32
Patients
16
Total drug cost
$2,871
Drug Type Claims Patients Total cost
Estradiol Generic 32 16 $2,871

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathryn Marko's medical specialty?
Dr. Kathryn Marko practices Obstetrics & Gynecology Physician in Washington, DC.
Where does Dr. Kathryn Marko practice?
Dr. Kathryn Marko practices at 2150 Pennsylvania Ave Nw, Washington, DC 200373201. Office phone: 2027412500.
What is Dr. Kathryn Marko's NPI?
Dr. Kathryn Marko's National Provider Identifier (NPI) is 1366636375, issued by NPPES.
Does Dr. Kathryn Marko accept Medicare assignment?
Yes. Dr. Kathryn Marko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathryn Marko commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.