Martin G. Degroot, PA-C
- Medicare patients, 2024
- 29
- Part D claims, 2024
- 1,616
- Hospital affiliations
- 2
- Industry payments
- $21
- Medical group
- 1
- Practice address
- 305 N Main, Ennis, MT 59729
- Practice phone
- Call (406) 682-4222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Martin Degroot'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.
Martin G. Degroot is a physician assistant in Ennis, Montana
Martin Degroot practices at Madison Valley Medical Center in Ennis, Montana, part of Madison Valley Medical Center.
Martin Degroot's NPI, 1427304864, was assigned on August 2, 2012. Martin Degroot holds Montana license MED-PAC-LIC-77035.
- NPI
- 1427304864NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416197421
- NPI enumeration date
- August 2, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (406) 682-4222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Martin G. Degroot practices at Madison Valley Medical Center in Ennis, Montana
Martin Degroot's primary practice is Madison Valley Medical Center, at 305 N Main, Ennis, MT 59729 in Madison County. The practice phone is (406) 682-4222.
- Madison Valley Medical Center305 N Main, Ennis, MT 59729 · Madison CountyPhone(406) 682-4222
Source: Dmand AI Affiliation Data
Martin G. Degroot is affiliated with 2 sites of care and 1 medical group
Martin Degroot's primary practice is Madison Valley Medical Center in Ennis, Montana, part of Madison Valley Medical Center. Martin Degroot is also affiliated with Bozeman Health Deaconess Regional Medical Center. The medical group on file is Madison Valley Medical Center. Martin Degroot's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Martin G. Degroot's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Martin Degroot practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Madison Valley Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Madison Valley Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Martin G. Degroot is one of 656 physician assistants in Montana
Physician assistant is Martin Degroot's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Martin Degroot is licensed in Montana.
Specialties and state licenses
- Physician assistant, MontanaPrimary
Physician assistants near Martin Degroot
Counts of physician assistants 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
Martin G. Degroot treated 29 Medicare patients in 2024, average age 80
CMS counts 29 Medicare patients who saw Martin Degroot in 2024. The largest group is under 65, with 0 patients. 75% of them have high blood pressure, and 66% have arthritis. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Martin Degroot's median patient age at 74, with 44% women.
Martin Degroot's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Martin Degroot's Medicare patients by sex, 2024
- Women1345%
- Men1655%
Chronic conditions among Martin Degroot's Medicare patients, 2024
- High blood pressure75%
- Arthritis66%
- High cholesterol66%
- Heart failure41%
- Atrial fibrillation38%
- Chronic kidney disease38%
- Diabetes38%
- Mood disorders38%
Share of Medicare patients with each condition. A patient can have several.
Martin Degroot's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Martin G. Degroot wrote 1,616 Medicare Part D claims in 2024
In 2024, Martin Degroot wrote 1,616 Medicare Part D claims for 268 patients. 91% of them were for generic drugs.
Martin Degroot's Part D claims by kind of drug, 2024
- Generic1,472 claims91%
- Brand-name and other144 claims9%
Drug classes CMS tracks in Martin Degroot's Part D claims, 2024
- Opioids5%78 of 1,616 claims
- Antibiotics4%70 of 1,616 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Martin G. Degroot takes part in Medicare
Martin Degroot accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Martin G. Degroot received $21 in industry payments in 2025
CMS Open Payments shows 1 general payment to Martin Degroot from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Corcept Therapeutics paid the most, $21.
Companies that paid Martin Degroot the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Martin G. Degroot'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Martin G. Degroot
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Martin G. Degroot's NPI number?
Martin G. Degroot's NPI number is 1427304864. It was assigned on August 2, 2012, and it is active in the NPI Registry.
What does Martin G. Degroot specialize in?
Martin G. Degroot is a physician assistant in Ennis, Montana. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Martin G. Degroot practice?
Martin Degroot practices at 305 N Main, Ennis, MT 59729. Martin Degroot's primary practice is Madison Valley Medical Center in Ennis, Montana, part of Madison Valley Medical Center.
What is Martin G. Degroot's office phone number?
The practice phone on file for Martin Degroot is (406) 682-4222.
What is Martin G. Degroot's medical license number?
Martin Degroot holds Montana license MED-PAC-LIC-77035.
Which hospitals is Martin G. Degroot affiliated with?
Martin Degroot practices at Madison Valley Medical Center in Ennis, Montana. Martin Degroot is also affiliated with Bozeman Health Deaconess Regional Medical Center.
What medical group is Martin G. Degroot part of?
Martin Degroot is linked to Madison Valley Medical Center.
Does Martin G. Degroot accept Medicare?
Yes. CMS lists Martin Degroot as accepting Medicare assignment.
How many Medicare patients does Martin G. Degroot see?
CMS counts 29 Medicare patients who saw Martin Degroot in 2024, with an average age of 80.
Has Martin G. Degroot received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Martin Degroot from 1 company from 2025 to 2025. The largest total came from Corcept Therapeutics.
How long has Martin G. Degroot been practicing?
Martin Degroot graduated from medical school in 2012, 14 years ago.
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