Doctor profile · Federal record

Dr. Marcus Penn, M.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Specialist · Annapolis, MD

  • NPI 1942287313
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2000 Medical Pkwy Ste 306
Annapolis, MD 214013745
(410) 571-9700
fax (410) 571-9710
Additional location
2401 Brandermill Blvd Ste 310
Gambrills, MD 210541604
(410) 451-7952
fax (410) 451-8954
Mailing address
2003 Medical Pkwy, Suite 370
Annapolis, MD 214017992

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
February 3, 2022
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Maryland #D0043531

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942287313. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$732
Transactions
26
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Baxter Healthcare 1 $148.49
Hologic Sales and Service, LLC 2 $125.52
PFIZER INC. 5 $91.72
Organon Llc 4 $90.71
Exeltis, USA Inc. 3 $59.09
Sage Therapeutics, Inc. 2 $45.15
Ethicon US, LLC 1 $41.08
Astellas Pharma US Inc 2 $37.34
Sumitomo Pharma America, Inc. 1 $19.10
MILLICENT US INC 1 $18.04
Merck Sharp & Dohme LLC 1 $16.95
OptumHealth Care Solutions, LLC 1 $13.85
SHIELD THERAPEUTICS INC 1 $13.71
Meditrina 1 $11.58

By nature of payment

Food and Beverage
$732

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
0
Total drug cost
$286
Drug Type Claims Patients Total cost
Butalbital-Acetaminophen-Caffe (Butalb/Acetaminophen/Caffeine) Brand 12 0 $286

Frequently asked questions

Auto-generated from federal data
What is Dr. Marcus Penn's medical specialty?
Dr. Marcus Penn practices Obstetrics & Gynecology Physician in Annapolis, MD.
Where does Dr. Marcus Penn practice?
Dr. Marcus Penn practices at 2000 Medical Pkwy Ste 306, Annapolis, MD 214013745. Office phone: 4105719700.
What is Dr. Marcus Penn's NPI?
Dr. Marcus Penn's National Provider Identifier (NPI) is 1942287313, issued by NPPES.
Does Dr. Marcus Penn accept Medicare assignment?
Yes. Dr. Marcus Penn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.