NPPES file of Aug 9, 2026

Michael S. Hay, M.D.

Obstetrics & Gynecology Physician · Helena, MT

Michael S. Hay, M.D. is an obstetrics & gynecology physician with a practice address in Helena, Montana, and NPI 1497822068, issued on Nov 29, 2006. Check the license (Montana 7610, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497822068
Name
Michael S. Hay
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
7610 MT
Self-reported in NPPES; status is on the state search
Practice location
2525 E Broadway St, Helena, MT 59601
Phone
(406) 457-4366
Enumerated
Nov 29, 2006
Record last updated
Sep 8, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(406) 457-4367
Medicaid ID
0033293 MT
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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8 nearest obstetrics & gynecology physician records → All 125 in Montana → Look up another NPI →

Also registered at 2525 E Broadway St

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

  1. Michelle DanielsonPediatrics Physician1962581470
  2. Jessica Ellis, C.N.MAdvanced Practice Midwife1831497353
  3. Sarah Evans, M.D.Plastic and Reconstructive Surgery Physician1952568065
  4. Maria Huntley, M.D.Obstetrics & Gynecology Physician1134225964
  5. Carol Kolar, CNMMidwife1083710826
  6. Kari Loomis, MDPediatrics Physician1881637452

Verify Michael S. Hay 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 7610    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

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Michael S. Hay among 125 obstetrics & gynecology physician records in Montana

Michael S. Hay, M.D. is one of 125 obstetrics & gynecology physician records with a practice address in Montana. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 45% newer
  • In a Medicare fileNo · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2011 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Montana

There are 125 obstetrics & gynecology physician records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 125 in Montana → Every provider in Helena → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Michelle Hiebert, MDHelena, MT 596011306426622
  2. Maria Huntley, M.D.Helena, MT 596011134225964
  3. Alexis O'Leary, DOHelena, MT 596011932523545
  4. Jessica Parson, M.D.Helena, MT 596011255725479
  5. Mallory Rutledge, DOHelena, MT 596011265175178
  6. James Bozeman, D.O.Butte, MT 597011215909049
  7. Susan Marik, M.D.Butte, MT 597011043280050
  8. Toby Marshall, MDHavre, MT 595011861400863

Common questions

What is Michael S. Hay, M.D.'s NPI number?

Michael S. Hay, M.D.'s National Provider Identifier (NPI) is 1497822068, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael S. Hay, M.D. located?

The NPPES record lists a practice address at 2525 E Broadway St, Helena, MT, 59601. Phone: (406) 457-4366. Providers update this record themselves, so call before visiting.

How can I verify Michael S. Hay, M.D.'s license?

NPPES lists Montana license number 7610, 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. 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.