Dr. Michael S. Hay, MD
- Medicare services, 2020
- 13
- Part D claims, 2021
- 11
- Industry payments
- $10
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 2525 E Broadway St, Helena, MT 59601-8049
- Practice phone
- Call (406) 457-4366
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Womens Healthcare Center
Women's health practice · Helena, Montana
Find Dr. Hay's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael S. Hay is an OB-GYN in Helena, Montana
Dr. Hay practices at Womens Healthcare Center in Helena, Montana.
Dr. Hay's NPI, 1497822068, was assigned on November 29, 2006. Dr. Hay holds Montana license 7610.
- NPI
- 1497822068NPI Registry (opens in a new tab)
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Practice phone
- (406) 457-4366
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael S. Hay practices at Womens Healthcare Center in Helena, Montana
Dr. Hay's primary practice is Womens Healthcare Center, at 2525 E Broadway St, Helena, MT 59601-8049. The practice phone is (406) 457-4366.
- Womens Healthcare Center2525 E Broadway St, Helena, MT 59601-8049Phone(406) 457-4366
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael S. Hay is affiliated with 1 site of care and 1 medical group
Dr. Hay's primary practice is Womens Healthcare Center in Helena, Montana. Dmand AI also links Dr. Hay to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Michael S. Hay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hay practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Womens Healthcare Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael S. Hay is one of 116 OB-GYNs in Montana
Obstetrics and gynecology is Dr. Hay's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Hay is licensed in Montana.
Specialties and state licenses
- Obstetrics and gynecology, MontanaPrimary
OB-GYNs near Dr. Hay
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael S. Hay billed Medicare for 13 services in 2020
CMS data shows 13 Medicare services from Dr. Hay across 1 procedure code in 2020, all of them office visits. Medicare paid $617 for them. Every service was in an office.
Dr. Hay's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 212020: 1338%
- Other services
- 2019: 132020: 0100%
Dr. Hay compared with the Montana median for OB-GYNs, 2020
- Dr. Hay
- Montana median
- Medicare services
- 13vs 3462% below
- Part D claims
- 11vs 2352% below
Medians across 112 OB-GYNs in Montana with Dmand AI profiles that report each measure.
Dr. Hay's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hay and other OB-GYNs in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael S. Hay's patients have a median age of 41
Across all payers, Dmand AI patient panel data puts Dr. Hay's median patient age at 41, with 100% women.
Dr. Hay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Michael S. Hay wrote 11 Medicare Part D claims in 2021
In 2021, Dr. Hay wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $469 in total drug cost. In 2020, CMS named 12 claims across 1 drug.
Dr. Hay's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 122021: 118%
Drugs named by CMS: 1 in 2021, 1 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Michael S. Hay received $10 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Hay from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $10.
Companies that paid Dr. Hay the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Michael S. Hay's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael S. Hay
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael S. Hay's NPI number?
Dr. Michael S. Hay's NPI number is 1497822068. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael S. Hay?
Dr. Michael S. Hay is an OB-GYN in Helena, Montana. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Michael S. Hay practice?
Dr. Hay practices at 2525 E Broadway St, Helena, MT 59601-8049. Dr. Hay's primary practice is Womens Healthcare Center in Helena, Montana. Dmand AI also links Dr. Hay to 1 medical group.
What is Dr. Michael S. Hay's office phone number?
The practice phone on file for Dr. Hay is (406) 457-4366.
What is Dr. Michael S. Hay's medical license number?
Dr. Hay holds Montana license 7610.
Does Dr. Michael S. Hay accept Medicare?
Yes. CMS data shows Dr. Hay billed Medicare for 13 services in 2020.
What services does Dr. Michael S. Hay bill to Medicare?
In 2020, Dr. Hay's most billed Medicare services were office visit, established patient (99213).
What drugs does Dr. Michael S. Hay prescribe most?
In 2021 Medicare Part D data, Dr. Hay's most prescribed drugs by claims were Raloxifene HCl.
Has Dr. Michael S. Hay received payments from drug or device companies?
CMS Open Payments shows $10 in general payments to Dr. Hay from 1 company from 2016 to 2016. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Michael S. Hay been practicing?
Dr. Hay's NPI was assigned in 2006.
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