NPPES file of Aug 9, 2026

James Fontanesi, M.D.

Radiation Oncology Physician · Farmington Hills, MI

James Fontanesi, M.D. is a radiation oncology physician with a practice address in Farmington Hills, Michigan, and NPI 1316918519, issued on Jan 27, 2006. Check the license (Michigan 430118443, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316918519
Name
James Fontanesi
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
430118443 MI
Self-reported in NPPES; status is on the state search
Practice location
27900 Grand River Ave, Farmington Hills, MI 48336
Phone
(248) 477-0552
Enumerated
Jan 27, 2006
Record last updated
May 24, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(248) 477-0742
Medicaid ID
1316918519 MI
Medicare enrollment
Enrolled (PECOS I20070110000544); accepts Medicare assignment
Medical or professional school
American Medical Missionary College, 1982
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 27900 Grand River Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michele Wonch, NPFamily Nurse Practitioner1952851180

Verify James Fontanesi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 430118443
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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6% fewer Medicare Part D claims than the average radiation oncology physician in 2024

126 Medicare Part D claims for 75 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. James Fontanesi126
  2. Specialty average134

Most prescribed

  1. Dexamethasone22 claims
  2. Diazepam20 claims
  3. Lidocaine Hcl Viscous17 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: $25.33

1 payment: food and beverage; the largest payer was Progenics Pharmaceuticals, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Fontanesi$25.33
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Michigan Healthcare Professionals PCFarmington Hills, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James Fontanesi among 239 radiation oncology physician records in Michigan

James Fontanesi, M.D. is one of 239 radiation oncology physician records with a practice address in Michigan. 79% 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, 55% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1982 · median 2005 among the 172 with a school on file
  • Record last updated2013 · 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 2085R0001X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Michigan

There are 239 radiation oncology physician records in Michigan.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Ahmed Ezz, MDFarmington Hills, MI 483341407843774
  2. Jordan Maier, MDFarmington Hills, MI 483341578515490
  3. Alvaro Martinez, MDFarmington Hills, MI 483341184684136
  4. Linda Rissman, DOFarmington Hills, MI 483341376513127
  5. John Antonucci, M.D.Pontiac, MI 483411619181369
  6. Michael Ghilezan, MD, PHDPontiac, MI 483411164481859
  7. Larry KestinPontiac, MI 483411073572434
  8. Simul Parikh, MDPontiac, MI 483411679767768

Common questions

What is James Fontanesi, M.D.'s NPI number?

James Fontanesi, M.D.'s National Provider Identifier (NPI) is 1316918519, issued on Jan 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Fontanesi, M.D. located?

The NPPES record lists a practice address at 27900 Grand River Ave, Farmington Hills, MI, 48336. Phone: (248) 477-0552. Providers update this record themselves, so call before visiting.

How can I verify James Fontanesi, M.D.'s license?

NPPES lists Michigan license number 430118443, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does James Fontanesi, M.D. prescribe under Medicare Part D?

In 2024, James Fontanesi, M.D. had 126 Medicare Part D claims for 75 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.