Mark R. Miles, M.D.
NPI 1598792384ActiveIndividual· Obstetrics & Gynecology· Great Falls, MT
Obstetrics & Gynecology (M.D.) with Obhg Washington PC, practicing in Great Falls, Montana. In 2024 Medicare paid $16,624 for 52 patients, and Part D covered 67 of their prescriptions, 72% of them generic. Sage Therapeutics, LLC was the largest of 2 companies reporting payments in 2025, $49.45 in all, mostly food and beverage.
Overview
| NPI | 1598792384 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 27, 2006 |
| Last updated in NPPES | Dec 9, 2025 |
| Certified by provider | Dec 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 5161 | MT |
| Family Medicine | 207Q00000X | 5161 | MT |
| Obstetrics & Gynecology | 207V00000X | 6498 | AK |
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 - Obstetrics/Gynecology (MT); Practitioner - Obstetrics/Gynecology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 52 |
|---|---|
| Services billed | 159 across 25 procedure codes |
| Paid by Medicare | $16,624 |
Part D prescriptions in 2024
| Prescriptions (claims) | 67 · 144 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $13,891 |
| Generic share | 72% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Obhg Washington PCSilverdale, WA · 42 clinicians
Industry payments (Open Payments)
- 2025$49.45 · 2 payments from 2 companies
- 2024$66.67 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sage Therapeutics, LLC | $29.48 | 1 |
| Merck Sharp & Dohme LLC | $19.97 | 1 |
What the 2025 payments were for
- Food and Beverage$49.45 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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