John J. Coen, MD
Radiation Oncology Physician · Providence, RI
John J. Coen, MD is a radiation oncology physician with a practice address in Providence, Rhode Island, and NPI 1891720165, issued on Jul 12, 2006. Check the license (Rhode Island MD14595, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- John J. Coen
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- MD14595 RI
216597 MA
Self-reported in NPPES; status is on the state search - Practice location
- 50 Maude St, Providence, RI 02908
- Phone
- (401) 456-2690
- Enumerated
- Jul 12, 2006
- Record last updated
- Sep 23, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (401) 456-6540
- Medicaid IDs
- JC49529 RI
2009030 MA - Medicare enrollment
- Enrolled (PECOS I20140710001913); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1998
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 29 in Rhode Island → Look up another NPI →
Also registered at 50 Maude St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohammad Abdallat, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1033634647
- Ryan Allen, RDOncology Nutrition Registered Dietitian1487547071
- Anne Bauman, M.D.Internal Medicine Physician1730281346
- Janet Berard, N.P.Nurse Practitioner1912939596
- Olivia Birchall, PA-CPhysician Assistant1194396242
- Charlene Botelho, COTA/LOccupational Therapy Assistant1568707735
Verify John J. Coen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD14595Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average radiation oncology physician in 2024
155 Medicare Part D claims for 62 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Tamsulosin Hcl143 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: $229.30
3 payments; by number, the most common kind was food and beverage; the largest payer was RefleXion Medical, 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.
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
- Roger Williams Radiation Therapy LLCProvidence, RI
- Southern New England Regional Cancer Center, LLCWoonsocket, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John J. Coen among 29 radiation oncology physician records in Rhode Island
John J. Coen, MD is one of 29 radiation oncology physician records with a practice address in Rhode Island. 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 24% of them.
- NPI issued2006 · 24% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1998 · median 2007 among the 23 with a school on file
- Record last updated2014 · 41% 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 Rhode Island 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 Rhode Island
There are 29 radiation oncology physician records in Rhode Island.
All 29 in Rhode Island → Every provider in Providence → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Alexandra Sherman, M.D.Providence, RI 029081285893248
- Jessica Yancey, MDProvidence, RI 029081649766882
- Donald Joyce, M.D.Providence, RI 029041871596833
- Gabriela Masko, M.D.Providence, RI 029041285637256
- Nicklas Oldenburg, M.D.Providence, RI 029041801899760
- Kathy Radie Keane, M.D.Providence, RI 029041912900879
- Allen Rossetti-Chung, M.D., PH.D.Providence, RI 029041669834552
- Scott Triedman, M.D.Providence, RI 029041538162508
Common questions
What is John J. Coen, MD's NPI number?
John J. Coen, MD's National Provider Identifier (NPI) is 1891720165, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John J. Coen, MD located?
The NPPES record lists a practice address at 50 Maude St, Providence, RI, 02908. Phone: (401) 456-2690. Providers update this record themselves, so call before visiting.
How can I verify John J. Coen, MD's license?
NPPES lists Rhode Island license number MD14595, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John J. Coen, MD prescribe under Medicare Part D?
In 2024, John J. Coen, MD had 155 Medicare Part D claims for 62 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.