Carlos H. Barcenas, M.D.
NPI 1063532901ActiveIndividual· Internal Medicine· Houston, TX
Internal Medicine (M.D.) with Physicians Referral Service, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $832,029 for 246 claims, against $23,477 paid for services in 2024. Stemline Therapeutics Inc. was the largest of 2 companies reporting payments in 2025, $110.90 in all, mostly food and beverage.
Overview
| NPI | 1063532901 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 31, 2007 |
| Last updated in NPPES | Jun 26, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | N4933 | TX |
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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 196 |
|---|---|
| Services billed | 321 across 11 procedure codes |
| Paid by Medicare | $23,477 |
Part D prescriptions in 2024
| Prescriptions (claims) | 246 · 483 30-day fills |
|---|---|
| Patients | 73 |
| Total drug cost | $832,029 |
| Generic share | 69% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$110.90 · 4 payments from 2 companies
- 2024$409.36 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stemline Therapeutics Inc. | $73.49 | 3 |
| Gilead Sciences, Inc. | $37.41 | 1 |
What the 2025 payments were for
- Food and Beverage$110.90 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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