Carl Michael Gay, M.D., PH.D.
NPI 1417392770ActiveIndividual· Internal Medicine· Houston, TX
Internal Medicine (M.D., PH.D.) in Houston, Texas, trained at New York University School of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $2,198,074 for 347 claims, against $47,975 paid for services in 2024. Astrazeneca Uk Limited was the largest of 8 companies reporting payments in 2025, $40,600 in all, mostly consulting fees.
Overview
| NPI | 1417392770 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Apr 30, 2013 |
| Last updated in NPPES | Jul 2, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | R2340 | 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 | 224 |
|---|---|
| Services billed | 644 across 15 procedure codes |
| Paid by Medicare | $47,975 |
Part D prescriptions in 2024
| Prescriptions (claims) | 347 · 375 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $2,198,074 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$40,600 · 33 payments from 8 companies
- 2024$30,781 · 37 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Uk Limited | $15,953 | 6 |
| Jazz Pharmaceuticals Inc. | $12,862 | 15 |
| Astrazeneca Pharmaceuticals LP | $3,065 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $2,775 | 3 |
| Daiichi Sankyo Inc. | $2,706 | 2 |
What the 2025 payments were for
- Consulting Fee$20,713 · 12 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$10,931 · 3 payments
- Travel and Lodging$8,241 · 9 payments
- Food and Beverage$714.43 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Houston
- 1003803974
- 1003834409
- 1003858143
- 1003901612
- 1003965377
- 1013263482
- 1013394758
- 1013913581
- 1013960228
- 1013983782
- 1013994508
- 1013999036
All 1,983 internal medicine physicians in Houston · All internal medicine physicians in Texas