Doctor profile · Federal record

Dr. Maureen O'Brien, PA

Surgical Physician Assistant · Physician Assistant · Annapolis, MD

  • NPI 1740275148
  • 21 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2000 Medical Parkway, Suite 200
Annapolis, MD 214013744
(443) 481-5300
fax (443) 481-6705
Mailing address
Po Box 64294
Baltimore, MD 212644294

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
January 15, 2013
Specialty taxonomy
363AS0400X — NUCC code
State licenses (2)
Maryland #C02505 · Maryland #C0002505

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740275148. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
897
Distinct HCPCS
2
Medicare allowed
$101,000
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 846 694 $114
99213 Established patient office or other outpatient visit, 20-29 minutes 51 51 $81

In context: peer comparison

Among 5 peers in this city , average services per provider: 98. This provider delivers 9.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $23.56

By nature of payment

Food and Beverage
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
44
Patients
43
Total drug cost
$123
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 32 31 $68
Mupirocin Generic 12 12 $55

Frequently asked questions

Auto-generated from federal data
What is Dr. Maureen O'Brien's medical specialty?
Dr. Maureen O'Brien practices Surgical Physician Assistant in Annapolis, MD.
Where does Dr. Maureen O'Brien practice?
Dr. Maureen O'Brien practices at 2000 Medical Parkway, Annapolis, MD 214013744. Office phone: 4434815300.
What is Dr. Maureen O'Brien's NPI?
Dr. Maureen O'Brien's National Provider Identifier (NPI) is 1740275148, issued by NPPES.
What procedures does Dr. Maureen O'Brien commonly perform?
Top Medicare-reported procedures in 2023: 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.