John Sebastian O'Brien, MD
Forensic Psychiatry Physician · Philadelphia, PA
John Sebastian O'Brien, MD is a forensic psychiatry physician with a practice address in Philadelphia, Pennsylvania, and NPI 1063783249, issued on Jan 20, 2012. Check the license (Pennsylvania MD035503E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Sebastian O'Brien
- Credential
- MD
- Primary taxonomy
- Forensic Psychiatry Physician 2084F0202X
- License number
- MD035503E PA
Self-reported in NPPES; status is on the state search - Practice location
- 2001 Hamilton St, Philadelphia, PA 19130
- Phone
- (215) 563-4141
- Enumerated
- Jan 20, 2012
- Record last updated
- Jan 20, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 2001 Hamilton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erica Sobel, LCSWClinical Social Worker1457587537
Verify John Sebastian O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD035503ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Forensic Psychiatry Physician providers in Pennsylvania
There are 17 forensic psychiatry physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other forensic psychiatry physician records in Pennsylvania
- Babatunde Adetunji, MDPhiladelphia, PA1326131699
- Ayesha Ashai, M.D.Erie, PA1174866800
- Alexander Avenirov, M.D.Norristown, PA1760559900
- Barbara Beadles, M.D.Pittsburgh, PA1326078155
- Robert Davis, M.D.Mechanicsburg, PA1144433285
- Robert Desilverio, M.D.Philadelphia, PA1083771588
- Evan Feibusch, M.D.Newtown, PA1831172261
- Mangala Khadilkar, M.D.Norristown, PA1992848386
- Christine Martone, M.D.Pittsburgh, PA1053312488
- Malini Mude, M.D.Norristown, PA1437292992
Common questions
What is John Sebastian O'Brien, MD's NPI number?
John Sebastian O'Brien, MD's National Provider Identifier (NPI) is 1063783249, issued on Jan 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is John Sebastian O'Brien, MD located?
The NPPES record lists a practice address at 2001 Hamilton St, Philadelphia, PA, 19130. Phone: (215) 563-4141. Providers update this record themselves, so call before visiting.
How can I verify John Sebastian O'Brien, MD's license?
NPPES lists Pennsylvania license number MD035503E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.