NPPES file of Aug 9, 2026

Edward O'Brian, PA

Physician Assistant · Washington, DC

Edward O'Brian, PA is a physician assistant with a practice address in Washington, District of Columbia, and NPI 1366643744, issued on May 31, 2007. Check the license with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366643744
Name
Edward O'Brian
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
Practice location
6900 Georgia Ave NW, Washington, DC 20307
Phone
(202) 782-8481
Enumerated
May 31, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20260205003127); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6900 Georgia Ave NW

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Traci Addison, M.S.WClinical Social Worker1235291428
  2. Anne Andrews, PHD, RD, LDRegistered Dietitian1013008010
  3. Juan Arguinzoni, MDInternal Medicine Physician1477652907
  4. Thomas Baker, M.D.Anatomic Pathology & Clinical Pathology Physician1689698698
  5. Paulette Baldwin, LICSW, LCSW-CClinical Social Worker1568692283
  6. Lisa Banks-Williams, APRN,BCPsychiatric/Mental Health Registered Nurse1811054661

Verify Edward O'Brian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich District of Columbia board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the District of Columbia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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One hospital affiliation

  1. Winchester Medical CenterWinchester, VA · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Edward O'Brian among 558 physician assistant records in District of Columbia

Edward O'Brian, PA is one of 558 physician assistant records with a practice address in District of Columbia. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 13% of them.

  • NPI issued2007 · 13% of these records are older, 80% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 47% of these records are
  • Graduated1998 · median 2019 among the 262 with a school on file
  • Record last updated2007 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

552 physician assistant records list a practice address in Washington

They are 552 of the 45,857 NPPES records with a practice address in Washington, and 558 physician assistant records in District of Columbia.

The 8 physician assistant records with the nearest ZIP codes

  1. Lia Ferreira, PA-CWashington, DC 203071902048663
  2. Tracy Glascoe, PAWashington, DC 203071225064157
  3. Alita GothardWashington, DC 203071992801450
  4. Sherray HollandWashington, DC 203071831110493
  5. Thomas Koontz, PA-CWashington, DC 203071740397512
  6. Ginger Lew-Zampieri, PA-CWashington, DC 203071144270745
  7. Atossa Tahvildary, PA-CWashington, DC 203071558546242
  8. April FryeWashington, DC 203101912284837

Common questions

What is Edward O'Brian, PA's NPI number?

Edward O'Brian, PA's National Provider Identifier (NPI) is 1366643744, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Edward O'Brian, PA located?

The NPPES record lists a practice address at 6900 Georgia Ave NW, Washington, DC, 20307. Phone: (202) 782-8481. Providers update this record themselves, so call before visiting.

How can I verify Edward O'Brian, PA's license?

Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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 only as counts) 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 9, 2026.