Nagakrishnal Nachimuthu, M.D
NPI 1073892048ActiveIndividual· Internal Medicine, Infectious Disease· Shenandoah, TX
Internal Medicine, Infectious Disease (M.D) in Shenandoah, Texas, licensed in TX, with an NPI issued in August 2011. Their prescriptions cost Medicare Part D more than their services did: $435,332 for 526 claims, against $49,056 paid for services in 2024. Gilead Sciences, Inc. was the largest of 2 companies reporting payments in 2025, $479.86 in all, mostly food and beverage. Lists Chi St Lukes Lakeside Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1073892048 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Aug 9, 2011 |
| Last updated in NPPES | May 12, 2026 |
| Certified by provider | May 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | Q6451 | 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 | 178 |
|---|---|
| Services billed | 563 across 14 procedure codes |
| Paid by Medicare | $49,056 |
Part D prescriptions in 2024
| Prescriptions (claims) | 526 · 683 30-day fills |
|---|---|
| Patients | 125 |
| Total drug cost | $435,332 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Chi St Lukes Lakeside HospitalThe Woodlands, TX
- Houston Methodist the Woodlands HospitalThe Woodlands, TX
- Memorial Hermann Hospital SystemHouston, TX
- St Luke's the Woodlands HospitalThe Woodlands, TX
Industry payments (Open Payments)
- 2025$479.86 · 6 payments from 2 companies
- 2024$135.75 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $354.89 | 5 |
| Viiv Healthcare Company | $124.97 | 1 |
What the 2025 payments were for
- Food and Beverage$479.86 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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