John Fontanetta, MD
Emergency Medicine Physician · Belleville, NJ
John Fontanetta, MD is an emergency medicine physician with a practice address in Belleville, New Jersey, and NPI 1457380701, issued on Jun 30, 2006. Check the license (New Jersey 25MA05776900, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Fontanetta
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 25MA05776900 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1 Clara Maass Dr, Belleville, NJ 07109
- Phone
- (973) 450-2100
- Enumerated
- Jun 30, 2006
- Record last updated
- Apr 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 7492006 NJ
- Medicare enrollment
- Enrolled (PECOS I20041122000653); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 1983
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,754 in New Jersey → Look up another NPI →
Also registered at 1 Clara Maass Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joanne Ahn, M.D.Emergency Medicine Physician1629463856
- Temitope Ajibade, CRNACertified Registered Nurse Anesthetist1225211295
- Lellas Alhallak, PA-CMedical Physician Assistant1083399836
Verify John Fontanetta 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 25MA05776900Check 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: $1,171.39
38 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 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 2 group practices
- Rwjbh Emergency Medicine Associates, LLCBelleville, NJ
- Rwjbh Observation Associates LLCBelleville, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Fontanetta among 1,754 emergency medicine physician records in New Jersey
John Fontanetta, MD is one of 1,754 emergency medicine physician records with a practice address in New Jersey. 83% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 61% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1983 · median 2011 among the 1,167 with a school on file
- Record last updated2008 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 emergency medicine physician records list a practice address in Belleville
They are 15 of the 561 NPPES records with a practice address in Belleville, and 1,754 emergency medicine physician records in New Jersey.
All 1,754 in New Jersey → Every provider in Belleville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Joanne Ahn, M.D.Belleville, NJ 071091629463856
- Emily Bakosi, D.O.Belleville, NJ 071091487004792
- Vincent Canabal, M.D.Belleville, NJ 071091194912295
- Antonio Ciccone, DOBelleville, NJ 071091750413464
- Patrick Davis, MDBelleville, NJ 071091649374000
- Noah Futterman, D.OBelleville, NJ 071091184007858
- Robert Giles, MDBelleville, NJ 071091093759649
- Nilesh Kansagra, MDBelleville, NJ 071091437286002
Common questions
What is John Fontanetta, MD's NPI number?
John Fontanetta, MD's National Provider Identifier (NPI) is 1457380701, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Fontanetta, MD located?
The NPPES record lists a practice address at 1 Clara Maass Dr, Belleville, NJ, 07109. Phone: (973) 450-2100. Providers update this record themselves, so call before visiting.
How can I verify John Fontanetta, MD's license?
NPPES lists New Jersey license number 25MA05776900, 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.
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.