Maureen O'Brien, PA
Surgical Physician Assistant · Annapolis, MD
Maureen O'Brien, PA is a surgical physician assistant with a practice address in Annapolis, Maryland, and NPI 1740275148, issued on Sep 13, 2005. Check the license (Maryland C02505, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maureen O'Brien
- Credential
- PA
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License numbers
- C02505 MD
C0002505 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2000 Medical Parkway, Annapolis, MD 21401
- Phone
- (443) 481-5300
- Enumerated
- Sep 13, 2005
- Entity
- Type 1 · individual
Also registered at 2000 Medical Parkway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittany Acree, M.D.Obstetrics & Gynecology Physician1619400991
- Sydney Barned, M.DInternal Medicine Physician1508210576
- Robert Buras, MDSurgery Physician1740269950
- Courtney Doyle, MD.Surgery Physician1922265214
- Rubie Jackson, MDSurgery Physician1528209293
- Jill Schumacher, PA-CPhysician Assistant1033399969
Verify Maureen O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license C02505Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
94% fewer Medicare Part D claims than the average surgical physician assistant in 2024
19 Medicare Part D claims for 16 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $23.56
1 payment, mostly food and beverage; the largest payer was Abbvie Inc. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Surgical Physician Assistant providers in Maryland
There are 397 surgical physician assistant records in Maryland.
Other surgical physician assistant records in Maryland
- Jared Abay, PA-CBaltimore, MD1659427342
- Rommie Abele, PAFrederick, MD1275792095
- Jean Abeyta, PA-CBowie, MD1336231885
- George Acevedo, P. A.Silver Spring, MD1063517027
- Danielle Adesman, PA-CLargo, MD1770264954
- Kevin Aebli, PA-CSalisbury, MD1720564263
- Moses Agbonavbare, PA-CBaltimore, MD1578225439
- Krista Aghazarian, PA-CBaltimore, MD1598172801
- Maame Agyapong, PABaltimore, MD1518734532
- Jacob Aja, PA-CAnnapolis, MD1073794012
Common questions
What is Maureen O'Brien, PA's NPI number?
Maureen O'Brien, PA's National Provider Identifier (NPI) is 1740275148, issued on Sep 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Maureen O'Brien, PA located?
The NPPES record lists a practice address at 2000 Medical Parkway, Annapolis, MD, 21401. Phone: (443) 481-5300. Providers update this record themselves, so call before visiting.
How can I verify Maureen O'Brien, PA's license?
NPPES lists Maryland license number C02505, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Maureen O'Brien, PA prescribe under Medicare Part D?
In 2024, Maureen O'Brien, PA had 19 Medicare Part D claims for 16 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments, the HHS-OIG exclusion list) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.