NPPES file of Aug 9, 2026

Gregory Allen Smith, M.D.

Anesthesiology Physician · Missoula, MT

Gregory Allen Smith, M.D. is an anesthesiology physician with a practice address in Missoula, Montana, and NPI 1437592987, issued on Apr 15, 2013. Check the license (Montana MED-PHYS-LIC-64559, 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
1437592987
Name
Gregory Allen Smith
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
MED-PHYS-LIC-64559 MT
Self-reported in NPPES; status is on the state search
Practice location
2825 Stockyard RD Ste I-200, Missoula, MT 59808
Phone
(406) 728-8420
Enumerated
Apr 15, 2013
Record last updated
Jun 21, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180817001453); accepts Medicare assignment
Medical or professional school
University Of Colorado School Of Medicine, Denver, 2013
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 2825 Stockyard RD Ste I-200

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

  1. Marcus Arthur, M.D.Anesthesiology Physician1700236403
  2. Sarah BachmanAnesthesiology Physician1255862876
  3. Trey Banbury, M.D.Anesthesiology Physician1376980862
  4. Christopher Barton, MDAnesthesiology Physician1770016107
  5. August Denicco, MDAnesthesiology Physician1013234665
  6. Chad DuncanAnesthesiology Physician1619474319

Verify Gregory Allen Smith 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 MED-PHYS-LIC-64559
    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 one group practice

  1. Missoula Anesthesiology PCMissoula, MT

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

Gregory Allen Smith among 227 anesthesiology physician records in Montana

Gregory Allen Smith, M.D. is one of 227 anesthesiology physician records with a practice address in Montana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 76% of them.

  • NPI issued2013 · 76% of these records are older, 19% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2013 · median 2006 among the 167 with a school on file
  • Record last updated2018 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

63 anesthesiology physician records list a practice address in Missoula

They are 63 of the 3,567 NPPES records with a practice address in Missoula, and 227 anesthesiology physician records in Montana.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Bruce Bollen, M.D.Missoula, MT 598081104815216
  2. Peter Brinkley, M.D.Missoula, MT 598081194714204
  3. Donald Ehrlich, M.D.Missoula, MT 598081336138452
  4. Fred Fleming, M.D.Missoula, MT 598081316936438
  5. Stephen Kemple, D.O.Missoula, MT 598081336138478
  6. Gregar Lind, M.D.Missoula, MT 598081275522211
  7. Anthony Menendez, M.D.Missoula, MT 598081477542421
  8. Alexander Omura, M.D.Missoula, MT 598081881683837

Common questions

What is Gregory Allen Smith, M.D.'s NPI number?

Gregory Allen Smith, M.D.'s National Provider Identifier (NPI) is 1437592987, issued on Apr 15, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Allen Smith, M.D. located?

The NPPES record lists a practice address at 2825 Stockyard RD Ste I-200, Missoula, MT, 59808. Phone: (406) 728-8420. Providers update this record themselves, so call before visiting.

How can I verify Gregory Allen Smith, M.D.'s license?

NPPES lists Montana license number MED-PHYS-LIC-64559, 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.

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.