Cliff Gronseth, MD
NPI 1811983802ActiveIndividual· Physical Medicine & Rehabilitation· Boulder, CO
Physical Medicine & Rehabilitation (MD) in Boulder, Colorado, trained at University of California, San Francisco School of Medicine (class of 1992). 586 Medicare patients in 2024, $238,575 paid; all of their 425 Part D prescriptions were generic. Gemini Mountain Medical, LLC was the largest of 9 companies reporting payments in 2025, $672.80 in all, mostly food and beverage.
Overview
| NPI | 1811983802 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 23, 2005 |
| Last updated in NPPES | May 4, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physical Medicine & Rehabilitation Primary | 208100000X | 35231 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physical Medicine and Rehabilitation (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 586 |
|---|---|
| Services billed | 15,372 across 102 procedure codes |
| Paid by Medicare | $238,575 |
Part D prescriptions in 2024
| Prescriptions (claims) | 425 · 503 30-day fills |
|---|---|
| Patients | 151 |
| Total drug cost | $5,556 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Physical Medicine And Rehabilitation |
| Telehealth | Offers telehealth |
Medical group
- Spine West A Professional LLCBoulder, CO · 9 clinicians
Hospital affiliations
- Boulder Community HealthBoulder, CO
- Uchealth Yampa Valley Medical CenterSteamboat Springs, CO
Industry payments (Open Payments)
- 2025$672.80 · 21 payments from 9 companies
- 2024$310.06 · 15 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gemini Mountain Medical, LLC | $174.80 | 2 |
| Arthrex, Inc. | $156.76 | 4 |
| Abbvie Inc. | $148.25 | 7 |
| Depuy Synthes Sales Inc. | $42.90 | 2 |
| Boston Scientific Corporation | $42.35 | 2 |
What the 2025 payments were for
- Food and Beverage$672.80 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 physiatrists in Boulder · All physiatrists in Colorado