NPPES file of Aug 9, 2026

Eric James May, M.D.

Diagnostic Radiology Physician · Billings, MT

Eric James May, M.D. is a diagnostic radiology physician with a practice address in Billings, Montana, and NPI 1447561360, issued on Jun 25, 2010. Check the license (Montana 48749, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1447561360
Name
Eric James May
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
48749 MT
54514 MN
Self-reported in NPPES; status is on the state search
Practice location
2800 10TH Ave N, Billings, MT 59101
Phone
(406) 238-2500
Enumerated
Jun 25, 2010
Record last updated
Jul 30, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160729001784); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 2010
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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8 nearest diagnostic radiology physician records → All 108 in Montana → Look up another NPI →

Also registered at 2800 10TH Ave N

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

  1. Ellen Absher, FNP-CFamily Nurse Practitioner1609709997
  2. Kimberly Ackerman, FNPAdult Health Nurse Practitioner1922032861
  3. Deborah Agnew, MDPediatrics Physician1134178072
  4. Stefan AlinteCertified Registered Nurse Anesthetist1518899053
  5. Erin Allen, MDPediatrics Physician1801052758
  6. Nathan Allen, M.D.Emergency Medicine Physician1356676878

Verify Eric James May in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical Examiners
    Search for license 48749    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 Montana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 4 group practices

  1. Big Horn Hospital AssociationHardin, MT
  2. Billings ClinicCody, WY
  3. Memorial Hospital AssociationRed Lodge, MT
  4. Stillwater Hospital Association IncColumbus, MT

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

Eric James May among 108 diagnostic radiology physician records in Montana

Eric James May, M.D. is one of 108 diagnostic radiology physician records with a practice address in Montana. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 79% of them.

  • NPI issued2010 · 79% of these records are older, 16% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2010 · median 2004 among the 64 with a school on file
  • Record last updated2020 · 69% 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 Montana 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 Montana

There are 108 diagnostic radiology physician records in Montana.

All 108 in Montana → Every provider in Billings → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Tara Bowman Seitz, MDBillings, MT 591011215999222
  2. John Brandon, MDBillings, MT 591011912943978
  3. Dean Bruschwein, MDBillings, MT 591011568482081
  4. James Cole, MDBillings, MT 591011992708879
  5. Ronald Darby, MDBillings, MT 591011992816722
  6. Robert Dietz, MDBillings, MT 591011174559124
  7. Joseph Dillard, MDBillings, MT 591011114963949
  8. Jonathan Graeve, MDBillings, MT 591011538271507

Common questions

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

Eric James May, M.D.'s National Provider Identifier (NPI) is 1447561360, issued on Jun 25, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Eric James May, M.D. located?

The NPPES record lists a practice address at 2800 10TH Ave N, Billings, MT, 59101. Phone: (406) 238-2500. Providers update this record themselves, so call before visiting.

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

NPPES lists Montana license number 48749, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.