Samuel C. Castles, MD
NPI 1033730015ActiveIndividual· Family Medicine· Anchorage, AK
Family Medicine (MD) in Anchorage, Alaska, trained at University of Oklahoma College of Medicine (class of 2020). Their prescriptions cost Medicare Part D more than their services did: $136,739 for 2,244 claims, against $20,909 paid for services in 2024.
Overview
| NPI | 1033730015 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 1, 2020 |
| Last updated in NPPES | Jun 30, 2020 |
| Certified by provider | Jun 30, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 161327 | 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 - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 89 |
|---|---|
| Services billed | 293 across 17 procedure codes |
| Paid by Medicare | $20,909 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,244 · 2,947 30-day fills |
|---|---|
| Patients | 117 |
| Total drug cost | $136,739 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Alaska Native Tribal Health ConsortiumAnchorage, AK · 607 clinicians
- Southcentral FoundationWasilla, AK · 167 clinicians
Hospital affiliation
- Alaska Native Medical CenterAnchorage, AK
Other facilities
- Ancora Home Health & HospiceHome health agency · Wasilla, AK
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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