Alan Jesse Chapman Jr., MD
NPI 1245239177ActiveIndividual· Internal Medicine, Infectious Disease· Houston, TX
Internal Medicine, Infectious Disease (MD) in Houston, Texas, trained at Baylor College of Medicine (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $1,839,609 for 1,999 claims, against $137,768 paid for services in 2024. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2024, $50.41 in all, mostly food and beverage.
Overview
| NPI | 1245239177 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 21, 2005 |
| Last updated in NPPES | Feb 18, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | F3830 | 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 | 217 |
|---|---|
| Services billed | 1,887 across 6 procedure codes |
| Paid by Medicare | $137,768 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,999 · 2,060 30-day fills |
|---|---|
| Patients | 348 |
| Total drug cost | $1,839,609 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Hospital affiliations
- HCA Houston Healthcare KingwoodKingwood, TX
- Houston Methodist Cypress HospitalCypress, TX
- Houston Methodist HospitalHouston, TX
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Memorial City HospitalHouston, TX
Other facilities
- 1st Accurate Home Health ServiceHome health agency · Houston, TX
- Cassel Health ServicesHome health agency · Houston, TX
Industry payments (Open Payments)
- 2024$50.41 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $25.33 | 1 |
| Novo Nordisk Inc | $25.08 | 1 |
What the 2024 payments were for
- Food and Beverage$50.41 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other infectious disease specialists in Houston
- 1023137494
- 1033445804
- 1053366351
- 1114927290
- 1184122731
- 1205810629
- 1235233651
- 1245427020
- 1245692649
- 1265442420
- 1265690911
- 1326043654
All 198 infectious disease specialists in Houston · All infectious disease specialists in Texas