John Charles Mach, DO
Diagnostic Radiology Physician · Providence, RI
John Charles Mach, DO is a diagnostic radiology physician with a practice address in Providence, Rhode Island, and NPI 1104312909, issued on Jul 3, 2018. Check the license (Rhode Island DO01312, 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 Charles Mach
- Credential
- DO
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- DO01312 RI
275719 MA
295543 MA
5151014051 MI
032.0134262 VT
Self-reported in NPPES; status is on the state search - Practice location
- 593 Eddy St, Providence, RI 02903
- Phone
- (401) 432-2500
- Enumerated
- Jul 3, 2018
- Record last updated
- Sep 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20231027000180); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2018
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 177 in Rhode Island → Look up another NPI →
Also registered at 593 Eddy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Farah AbazaStudent in an Organized Health Care Education/Training Program1598437477
- Nilofar Abdul ShukurPhysician Assistant1336010529
- Hael Abdulrazeq, MDNeurological Surgery Physician1659934289
- James Abernathy, MDAnesthesiology Physician1942257217
- Karen Abi Chebl, MDStudent in an Organized Health Care Education/Training Program1255179552
- Georges Abi Roustom, MDAnesthesiology Physician1548871908
Verify John Charles Mach 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 DO01312Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Rhode Island Medical Imaging IncAttleboro, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Charles Mach among 177 diagnostic radiology physician records in Rhode Island
John Charles Mach, DO is one of 177 diagnostic radiology physician records with a practice address in Rhode Island. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 86% of them.
- NPI issued2018 · 86% of these records are older, 10% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2018 · median 2004 among the 127 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Rhode Island
There are 177 diagnostic radiology physician records in Rhode Island.
All 177 in Rhode Island → Every provider in Providence → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Michael Atalay, MDProvidence, RI 029031881682748
- Michael Beland, M.D.Providence, RI 029031790743615
- Jerrold Boxerman, MDProvidence, RI 029031538150008
- Jeffrey Brody, MDProvidence, RI 029031851380653
- Lawrence Davis, MDProvidence, RI 029031932197803
- Holly Gil, MDProvidence, RI 029031356323174
- Richard Gold, MDProvidence, RI 029031871574897
- David Grand, M.D.Providence, RI 029031508815978
Common questions
What is John Charles Mach, DO's NPI number?
John Charles Mach, DO's National Provider Identifier (NPI) is 1104312909, issued on Jul 3, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John Charles Mach, DO located?
The NPPES record lists a practice address at 593 Eddy St, Providence, RI, 02903. Phone: (401) 432-2500. Providers update this record themselves, so call before visiting.
How can I verify John Charles Mach, DO's license?
NPPES lists Rhode Island license number DO01312, 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.
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.