James Michael O'Brien, M.D.
Maternal & Fetal Medicine Physician · Hershey, PA
James Michael O'Brien, M.D. is a maternal & fetal medicine physician with a practice address in Hershey, Pennsylvania, and NPI 1902203573, issued on Nov 26, 2014. Check the license (Pennsylvania MD456780, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- James Michael O'Brien
- Credential
- M.D.
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License number
- MD456780 PA
Self-reported in NPPES; status is on the state search - Practice location
- 500 University Dr, Hershey, PA 17033
- Phone
- (800) 243-1455
- Enumerated
- Nov 26, 2014
- Record last updated
- Mar 1, 2023
- Fax
- (717) 531-0119
- Medicare enrollment
- Enrolled (PECOS I20160712001685); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 143 in Pennsylvania → Look up another NPI →
Also registered at 500 University Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Victor Abarca, CRNACertified Registered Nurse Anesthetist1003575853
- Aiza Abbas, MDStudent in an Organized Health Care Education/Training Program1164312500
- Fatemeh Abbasi, MDPulmonary Disease Physician1750878625
- Andrea Abbe, LDNRegistered Dietitian1366623795
- Mahdi Abdallah, MDStudent in an Organized Health Care Education/Training Program1497457360
- Ashraf Abdelhalim, MDAnesthesiology Physician1356931729
Verify James Michael 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 MD456780Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 71.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Milton S Hershey Medical Center Physicians GroupHershey, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Michael O'Brien among 143 maternal & fetal medicine physician records in Pennsylvania
James Michael O'Brien, M.D. is one of 143 maternal & fetal medicine physician records with a practice address in Pennsylvania. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 80% of them.
- NPI issued2014 · 80% of these records are older, 15% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2012 · median 2002 among the 99 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Maternal & Fetal Medicine Physician providers in Pennsylvania
There are 143 maternal & fetal medicine physician records in Pennsylvania.
All 143 in Pennsylvania → Every provider in Hershey → Maternal & Fetal Medicine Physician nationwide →
The 8 maternal & fetal medicine physician records with the nearest ZIP codes
- William Curtin, MDHershey, PA 170331093749418
- Sonia Sajja, MDHershey, PA 170331073007308
- Shirley Sawai, M.D.Hershey, PA 170331952360356
- Isabella Sciacca Coppola, MDHershey, PA 170331033868971
- Serdar Ural, MDHershey, PA 170331912900812
- Serena Wu, M.D.Hershey, PA 170331184788374
- Lynn Amicone, DOHarrisburg, PA 171011295997617
- Clark Johnson, MDHarrisburg, PA 171011497989305
Common questions
What is James Michael O'Brien, M.D.'s NPI number?
James Michael O'Brien, M.D.'s National Provider Identifier (NPI) is 1902203573, issued on Nov 26, 2014. An NPI identifies a provider in billing; it is not a license.
Where is James Michael O'Brien, M.D. located?
The NPPES record lists a practice address at 500 University Dr, Hershey, PA, 17033. Phone: (800) 243-1455. Providers update this record themselves, so call before visiting.
How can I verify James Michael O'Brien, M.D.'s license?
NPPES lists Pennsylvania license number MD456780, 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.
What is James Michael O'Brien, M.D.'s MIPS final score?
The 2023 MIPS final score is 71.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.