Riley Sean Grogan, MD
Surgery in Missoula, MT. Individual provider (NPI-1).
NPI number1669935631
StatusActive
Last updated in NPPESNov 16, 2025
Details
- NPI
- 1669935631
- Entity type
- Individual (NPI-1)
- Name
- Riley Sean Grogan
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- Enumeration date
- Apr 8, 2019
- Certification date
- Nov 16, 2025
- Last updated
- Nov 16, 2025
Medicare and OIG
- Medicare enrolled (PECOS)
- Yes · PRACTITIONER - GENERAL SURGERY
- Can order and refer
- Part B Yes · DME Yes · Home health Yes · Power mobility Yes · Hospice Yes
- OIG exclusion list
- This NPI is not listed
CMS and OIG files of November 2026. PECOS lookup · OIG exclusion check
Taxonomy and licenses
| Taxonomy code | Description | License | State | Primary |
|---|---|---|---|---|
| 208600000X | Surgery | MED-PHYS-LIC-156377 | MT | Yes |
| 208600000X | Surgery | 74548-20 | WI |
Practice location
500 W Broadway St Fl 4bbMissoula, MT 59802-4008
Phone 406-329-5828 · Fax 406-329-5864
Mailing address
Po Box 31001Pasadena, CA 91110-4110
Phone 406-329-5828 · Fax 406-329-5864
Other practice locations
169 Ashley Ave Rm 202
Charleston, SC 29425-5429
Charleston, SC 29425-5429
Phone 406-871-3770
1836 South Ave
La Crosse, WI 54601-5429
La Crosse, WI 54601-5429
Phone 608-782-7300
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This page shows exactly what the provider filed with NPPES. Only the provider (or their surrogate) can change it, by signing in to NPPES. Our page updates within a day of their change. See how to update NPI information.
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All 28 Surgery Physician providers in Missoula · All 4,716 providers in Missoula
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