Martin Degroot, PA-C
NPI 1427304864 · Physician Assistant · Ennis, MT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin Degroot, PA-C is a Physician Assistant provider in Ennis, MT (NPI 1427304864).
Provider details
- NPI number
- 1427304864
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- MED-PAC-LIC-77035 (MT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
18 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 18 | $62 |
Typical Medicare-allowed amounts for these services range $62–$62 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 149 | 42 |
| Lisinopril | 94 | 28 |
| Rosuvastatin Calcium | 62 | 23 |
| Amlodipine Besylate | 55 | 16 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 54 | 21 |
| Metoprolol Succinate | 50 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-08-02
- Last updated
- 2026-01-30
- Certified
- 2026-01-30
Frequently asked questions
- What is Martin Degroot's NPI number?
- Martin Degroot's National Provider Identifier (NPI) is 1427304864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Degroot's specialty?
- Martin Degroot is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Martin Degroot located?
- Martin Degroot's practice location on file with NPPES is 305 N Main St, Ennis, MT 59729-8001.
- What is Martin Degroot's phone number?
- The practice phone number listed in the NPPES registry for Martin Degroot is (406) 682-6862.
- Does Martin Degroot accept Medicare?
- Martin Degroot is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martin Degroot's NPI active?
- Yes — Martin Degroot's NPI (1427304864) is active in the NPPES registry as of the last update on 2026-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.