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MS. MAUREEN L O'BRIEN PA
NPI 1740275148
Physician Assistant - Surgical in Annapolis, MD

Active since September 13, 2005PECOS Enrolled
2000 MEDICAL PARKWAY, SUITE 200, ANNAPOLIS, MD 21401(443) 481-5300(443) 481-6705 Get Directions Write a Review

NPPES record last updated: January 15, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Maureen L O'brien Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. MAUREEN L O'BRIEN PA (NPI 1740275148) is an individual surgical provider in Annapolis, Maryland, licensed in Maryland (C02505) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740275148
Entity TypeIndividualFemale
Primary Taxonomy363AS0400X
Provider Legal NameMS. MAUREEN L O'BRIENCredential: PA
Location Address2000 MEDICAL PARKWAY, SUITE 200Annapolis, MD 21401-3744
Mailing AddressPo Box 64294Baltimore, MD 21264-4294 · (443) 481-6573 · Fax (443) 481-6515
Phone(443) 481-5300
Fax(443) 481-6705
Sole ProprietorNo
Enumeration DateSeptember 13, 2005
Last NPPES UpdateJanuary 15, 2013
✔ NPI 1740275148 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AS0400X
License✔ Licensed in MD · C02505
Also ListedPhysician AssistantTaxonomy 363A00000X · License C0002505 (MD)
2000 MEDICAL PARKWAY, Annapolis, MD 21401
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Other Identifiers 6

Medicare PINP01078057
Medicare PIN172530Y5Z
Medicare PIN171561YBL9
Medicare PIN172530ZDWS
Medicare ID-Type Unspecified313M423FMD
Medicare UPINP57424MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Maureen L O'brien Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
181 services179 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
23 services23 patients

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Breast prosthesis, mastectomy bra, without integrated breast prosthesis form, any size, any type L8000
DME-Orthotic Devices · category DF000N
6 suppliers46 claims145 services$27.22 avg. paid by Medicare
Breast prosthesis, silicone or equal, without integral adhesive L8030
DME-Orthotic Devices · category DF000N
6 suppliers22 claims27 services$265.14 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CRAIG TRUEBLOOD PT, DPT
Physical Therapist (Cardiopulmonary)
2000 MEDICAL PARKWAY, BELCHER PAVILLION, SUITE 404
ANNAPOLIS, MD 21401
Anne Arundel County (443) 481-1140
JILL MONROE SCHUMACHER PA-C
Physician Assistant
2000 MEDICAL PARKWAY, STE 101
ANNAPOLIS, MD 21401
Anne Arundel County (410) 295-8900
DR. SYDNEY YOLANDE BARNED M.D
Internal Medicine
2000 MEDICAL PARKWAY, HCE
ANNAPOLIS, MD 21401
Anne Arundel County (443) 481-1750
RUBIE SUE JACKSON MD
Surgery
2000 MEDICAL PARKWAY, SUITE 200
ANNAPOLIS, MD 21401
Anne Arundel County (443) 481-5300
EMILY ULMER M.D.
Family Medicine
2000 MEDICAL PARKWAY, SUITE 605
ANNAPOLIS, MD 21401
Anne Arundel County (410) 266-5667
MRS. BRITTANY LYNNE ACREE M.D.
Obstetrics & Gynecology
2000 MEDICAL PARKWAY, SUITE 304
ANNAPOLIS, MD 21401
Anne Arundel County (410) 573-9530
ROBERT R BURAS MD
Surgery
2000 MEDICAL PARKWAY, SUITE 200
ANNAPOLIS, MD 21401
Anne Arundel County (443) 481-5300
DR. JUSTINE J. SOMOZA M.D.
Obstetrics & Gynecology
2000 MEDICAL PARKWAY, SUITE 306
ANNAPOLIS, MD 21401
Anne Arundel County (410) 571-9700

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maureen O'brien's NPI number?

The NPI number for Maureen O'brien is 1740275148. It was assigned to this individual provider in the NPPES registry on September 13, 2005.

Where is Maureen O'brien located?

Maureen O'brien practices at 2000 Medical Parkway Suite 200, Annapolis, MD 21401. The listed phone number is (443) 481-5300.

What is Maureen O'brien's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Maureen O'brien enrolled in Medicare?

Yes. Maureen O'brien is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Maureen O'brien was last updated on January 15, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.