James M. O'Mara, M.D., PA
Obstetrics & Gynecology Physician · Trenton, NJ
James M. O'Mara, M.D., PA is an obstetrics & gynecology physician with a practice address in Trenton, New Jersey, and NPI 1093764607, issued on May 9, 2006. Check the license (New Jersey MA51871, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James M. O'Mara
- Credential
- M.D., PA
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MA51871 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1450 Parkside Ave, Trenton, NJ 08638
- Phone
- (609) 530-1818
- Enumerated
- May 9, 2006
- Record last updated
- Sep 22, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid ID
- 1296001 NJ
- Medicare enrollment
- Enrolled (PECOS I20090514000497); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,362 in New Jersey → Look up another NPI →
Also registered at 1450 Parkside Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shodhan Patel, MDInternal Medicine Physician1457368680
- Fred Williams, MDObstetrics & Gynecology Physician1679565782
Verify James M. O'Mara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license MA51871Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
66 Medicare Part D claims for 19 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol20 claims
- Medroxyprogesterone Acetate15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,000.00
5 payments; by number, the most common kind was consulting fee; the largest payer was Mimedx Group, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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.
James M. O'Mara among 1,362 obstetrics & gynecology physician records in New Jersey
James M. O'Mara, M.D., PA is one of 1,362 obstetrics & gynecology physician records with a practice address in New Jersey. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1984 · median 2003 among the 900 with a school on file
- Record last updated2009 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 obstetrics & gynecology physician records list a practice address in Trenton
They are 23 of the 1,480 NPPES records with a practice address in Trenton, and 1,362 obstetrics & gynecology physician records in New Jersey.
All 1,362 in New Jersey → Every provider in Trenton → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Fred Williams, MDTrenton, NJ 086381679565782
- Ronald Burbella, MD PCLawrenceville, NJ 086481376523662
- Seth Derman, MDLawrenceville, NJ 086481093715161
- Judith Funches, M.D.Lawrenceville, NJ 086481932171824
- Eugene Gamburg, M.D.Lawrenceville, NJ 086481043293624
- Ursula Miguel, CNMLawrenceville, NJ 086481538154893
- Bruce Pierce, MDLawrenceville, NJ 086481437159506
- Asha Proctor, MDLawrenceville, NJ 086481114919123
Common questions
What is James M. O'Mara, M.D., PA's NPI number?
James M. O'Mara, M.D., PA's National Provider Identifier (NPI) is 1093764607, issued on May 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James M. O'Mara, M.D., PA located?
The NPPES record lists a practice address at 1450 Parkside Ave, Trenton, NJ, 08638. Phone: (609) 530-1818. Providers update this record themselves, so call before visiting.
How can I verify James M. O'Mara, M.D., PA's license?
NPPES lists New Jersey license number MA51871, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James M. O'Mara, M.D., PA prescribe under Medicare Part D?
In 2024, James M. O'Mara, M.D., PA had 66 Medicare Part D claims for 19 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions 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.