Michael N. Castro, MD
NPI 1437180320ActiveIndividual· Dermatology· Lakewood, CA
Dermatology (MD) with Prohealth Partners, A Medical Group, practicing in Lakewood, California. Their prescriptions cost Medicare Part D more than their services did: $1,913,957 for 2,031 claims, against $46,314 paid for services in 2024. Janssen Biotech, Inc. was the largest of 20 companies reporting payments in 2025, $2,314 in all, mostly food and beverage.
Overview
| NPI | 1437180320 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 6, 2006 |
| Last updated in NPPES | Jun 25, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A69701 | CA |
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 - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 224 |
|---|---|
| Services billed | 1,082 across 21 procedure codes |
| Paid by Medicare | $46,314 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,031 · 2,300 30-day fills |
|---|---|
| Patients | 528 |
| Total drug cost | $1,913,957 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Dermatology |
Medical group
- Prohealth Partners, A Medical GroupLong Beach, CA · 239 clinicians
Industry payments (Open Payments)
- 2025$2,314 · 128 payments from 20 companies
- 2024$2,516 · 140 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $537.79 | 32 |
| Genzyme Corporation | $495.69 | 15 |
| Abbvie Inc. | $412.23 | 38 |
| Amgen Inc. | $164.81 | 13 |
| Glaxosmithkline, LLC. | $105.36 | 5 |
What the 2025 payments were for
- Food and Beverage$2,215 · 127 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in Lakewood
- 1154407856
- 1295885630