Gary I. Sinclair, MD
NPI 1891757613ActiveIndividual· Internal Medicine· Dallas, TX
Internal Medicine (MD) with AIDS Arms, Inc., practicing in Dallas, Texas. Their prescriptions cost Medicare Part D more than their services did: $4,594,295 for 6,016 claims, against $15,866 paid for services in 2024. Viiv Healthcare Company was the largest of 8 companies reporting payments in 2025, $88,160 in all, mostly speaking and faculty fees.
Overview
| NPI | 1891757613 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 5, 2006 |
| Last updated in NPPES | Apr 10, 2024 |
| Certified by provider | Apr 10, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | L0936 | TX |
| Internal Medicine, Infectious Disease | 207RI0200X | L0936 | 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 - Infectious Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 36 |
|---|---|
| Services billed | 234 across 26 procedure codes |
| Paid by Medicare | $15,866 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,016 · 6,861 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $4,594,295 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Medical group
- AIDS Arms, Inc.Dallas, TX · 17 clinicians
Industry payments (Open Payments)
- 2025$88,160 · 206 payments from 8 companies
- 2024$77,706 · 130 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viiv Healthcare Company | $67,553 | 121 |
| Merck Sharp & Dohme LLC | $9,062 | 32 |
| Theratechnologies Inc. | $8,876 | 15 |
| Gilead Sciences, Inc. | $2,327 | 21 |
| Emd Serono, Inc. | $147.24 | 7 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$58,520 · 18 payments
- Travel and Lodging$13,295 · 45 payments
- Honoraria$8,210 · 3 payments
- Food and Beverage$6,385 · 139 payments
- Consulting Fee$1,750 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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