Registry data as of Aug 27, 2026

Robert Byron, MD

Internal Medicine Physician · Hardin, MT

Robert Byron, MD is an internal medicine physician with a practice address in Hardin, Montana, and NPI 1053355727, issued on Jun 15, 2006. Check the license (Montana 6265, as entered in NPPES) on the Montana Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1053355727
Name
Robert Byron
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
6265 MT
Self-reported in NPPES; status is on the state search
Practice location
10 4TH St W, Hardin, MT 59034
Phone
(406) 665-4103
Enumerated
Jun 15, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 10 4TH St W

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

  1. Rosalyn Bigback, LACAddiction (Substance Use Disorder) Counselor1952936254
  2. David O'Brien, PHARMD, RPHAmbulatory Care Pharmacist1497407613
  3. Michael Tilus, PSYDPastoral Counselor1700963873
  4. Ashley Vandewark, RPHAmbulatory Care Pharmacist1538701339

Verify Robert Byron 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 6265
    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.

2 internal medicine physician records list a Hardin practice address

They are 2 of the 60 NPPES records with a Hardin practice address, and 394 internal medicine physician records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other internal medicine physician records in Montana

  1. Farnaz Abbasimoradi, MDBillings, MT1104434562
  2. Ryan Adams, MDMissoula, MT1790952653
  3. Timothy Adams, MDBozeman, MT1891706537
  4. Thomas Addison, MDGreat Falls, MT1871594754
  5. Yee Chuan Ang, M.D.Billings, MT1104138668
  6. Faranak Argani, MDBillings, MT1558475954
  7. Janet Armstrong, M.D.Glasgow, MT1215949557
  8. Susan Askin, MDFort Harrison, MT1588771604
  9. James Attarian, MDBozeman, MT1144209198
  10. Elias Baied, DOGreat Falls, MT1023497708

Common questions

What is Robert Byron, MD's NPI number?

Robert Byron, MD's National Provider Identifier (NPI) is 1053355727, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Byron, MD located?

The NPPES record lists a practice address at 10 4TH St W, Hardin, MT, 59034. Phone: (406) 665-4103. Providers update this record themselves, so call before visiting.

How can I verify Robert Byron, MD's license?

NPPES lists Montana license number 6265, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.