Carolyn Marie Castillo, M.D.
NPI 1487764387ActiveIndividual· Internal Medicine· Albuquerque, NM
Internal Medicine (M.D.) in Albuquerque, New Mexico, licensed in NM and TX, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $766,569 for 10,841 claims, against $92,542 paid for services in 2024. Exact Sciences Corporation was the largest of 2 companies reporting payments in 2025, $56.17 in all, mostly food and beverage.
Overview
| NPI | 1487764387 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Apr 22, 2024 |
| Certified by provider | Apr 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 88-136 | NM |
| Internal Medicine | 207R00000X | M9912 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (NM) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 389 |
|---|---|
| Services billed | 1,166 across 38 procedure codes |
| Paid by Medicare | $92,542 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,841 · 28,402 30-day fills |
|---|---|
| Patients | 1,253 |
| Total drug cost | $766,569 |
| Generic share | 88% of claims |
Industry payments (Open Payments)
- 2025$56.17 · 2 payments from 2 companies
- 2024$42.07 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $28.55 | 1 |
| United Therapeutics Corporation | $27.62 | 1 |
What the 2025 payments were for
- Food and Beverage$56.17 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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