Christopher D. O'Brien, MD
Pulmonary Disease Physician · Philadelphia, PA
Christopher D. O'Brien, MD is a pulmonary disease physician with a practice address in Philadelphia, Pennsylvania, and NPI 1962643254, issued on Mar 16, 2009. Check the license (Pennsylvania MD050568L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Christopher D. O'Brien
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- MD050568L PA
Self-reported in NPPES; status is on the state search - Practice location
- 51 N. 39TH Street, Philadelphia, PA 19104
- Phone
- (215) 662-8767
- Enumerated
- Mar 16, 2009
- Record last updated
- Jan 30, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 779 in Pennsylvania → Look up another NPI →
Also registered at 51 N. 39TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Robyn Barrett, MDDiagnostic Radiology Physician1659309748
- Jenny Baum, CRNPAdult Health Nurse Practitioner1528600202
- Timothy Clark, MDVascular & Interventional Radiology Physician1588629885
Verify Christopher D. 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 MD050568LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $149.53
2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 8,806 providers of this specialty with any payment received $5,159.88 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.
Christopher D. O'Brien among 779 pulmonary disease physician records in Pennsylvania
Christopher D. O'Brien, MD is one of 779 pulmonary disease physician records with a practice address in Pennsylvania. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 36% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Pennsylvania
There are 779 pulmonary disease physician records in Pennsylvania.
All 779 in Pennsylvania → Every provider in Philadelphia → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Steven Albelda, MDPhiladelphia, PA 191041730111733
- Lisa Bellini, MDPhiladelphia, PA 191041871512251
- Maria Crespo, MDPhiladelphia, PA 191041376515965
- Joel Deitz, MDPhiladelphia, PA 191041215967005
- John Hansen-Flaschen, MDPhiladelphia, PA 191041316971484
- Cheilonda Johnson, M.D.Philadelphia, PA 191041053367268
- Paul Lanken, MDPhiladelphia, PA 191041245262245
- Greg Lipschik, MDPhiladelphia, PA 191041669491049
Common questions
What is Christopher D. O'Brien, MD's NPI number?
Christopher D. O'Brien, MD's National Provider Identifier (NPI) is 1962643254, issued on Mar 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Christopher D. O'Brien, MD located?
The NPPES record lists a practice address at 51 N. 39TH Street, Philadelphia, PA, 19104. Phone: (215) 662-8767. Providers update this record themselves, so call before visiting.
How can I verify Christopher D. O'Brien, MD's license?
NPPES lists Pennsylvania license number MD050568L, 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. 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.