Jonathan McNamara, M.D.
Internal Medicine Physician · Newark, NJ
Jonathan McNamara, M.D. is an internal medicine physician with a practice address in Newark, New Jersey, and NPI 1568889814, issued on Mar 25, 2014. Check the license (New Jersey 25MA10100200, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Jonathan McNamara
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA10100200 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 201 Lyons Ave, Newark, NJ 07112
- Phone
- (973) 926-3233
- Enumerated
- Mar 25, 2014
- Record last updated
- Jun 16, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170727002292); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 201 Lyons Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rawan Abdalla, MDStudent in an Organized Health Care Education/Training Program1376481739
- Ahmed AbdaltawabStudent in an Organized Health Care Education/Training Program1689514093
- Girom AbdelmesihStudent in an Organized Health Care Education/Training Program1548109044
- Safa AbdulhaiStudent in an Organized Health Care Education/Training Program1437845245
Verify Jonathan McNamara 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 25MA10100200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
440 Medicare Part D claims for 210 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Amlodipine Besylate32 claims
- Pantoprazole Sodium22 claims
- Metoprolol Succinate18 claims
- Atorvastatin Calcium15 claims
- Cefuroxime14 claims
- Prednisone14 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: $393.66
4 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through 3 group practices
- Atlanticare Physician Group PAAtlantic City, NJ
- Atlanticare Regional Medical CenterAtlantic City, NJ
- Plover Inpatient Services LLCMontclair, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan McNamara among 4,632 internal medicine physician records in New Jersey
Jonathan McNamara, M.D. is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% 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 74% of them.
- NPI issued2014 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2014 · median 2000 among the 3,132 with a school on file
- Record last updated2017 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
184 internal medicine physician records list a practice address in Newark
They are 184 of the 4,875 NPPES records with a practice address in Newark, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Newark → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Razia Awan, MDNewark, NJ 071121366428567
- Muhammed Ayub, M.D.Newark, NJ 071121710941836
- Asa Crews, M.D.Newark, NJ 071121962417758
- Joseph Defrank Castro, MDNewark, NJ 071121801095864
- Christian Engell, MDNewark, NJ 071121831374305
- Rafia Hussaini, MDNewark, NJ 071121194902643
- Kanik Kathuria, M.D.Newark, NJ 071121609118140
- Theresa Liao, MDNewark, NJ 071121447354501
Common questions
What is Jonathan McNamara, M.D.'s NPI number?
Jonathan McNamara, M.D.'s National Provider Identifier (NPI) is 1568889814, issued on Mar 25, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan McNamara, M.D. located?
The NPPES record lists a practice address at 201 Lyons Ave, Newark, NJ, 07112. Phone: (973) 926-3233. Providers update this record themselves, so call before visiting.
How can I verify Jonathan McNamara, M.D.'s license?
NPPES lists New Jersey license number 25MA10100200, 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 Jonathan McNamara, M.D. prescribe under Medicare Part D?
In 2024, Jonathan McNamara, M.D. had 440 Medicare Part D claims for 210 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.