Navneet K. Grewal, MD
NPI 1508928573ActiveIndividual· Anesthesiology, Critical Care Medicine· Houston, TX
Anesthesiology, Critical Care Medicine (MD) with Physicians Referral Service and 2 other groups, practicing in Houston, Texas. Medicare paid $81,892 for services to 178 patients in 2024. Actelion Pharmaceuticals US, Inc. reported $123.95 in payments in 2025, mostly food and beverage. Lists Houston Methodist Hospital as a hospital affiliation.
Overview
| NPI | 1508928573 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 15, 2006 |
| Last updated in NPPES | Jun 24, 2026 |
| Certified by provider | Jun 24, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology, Critical Care Medicine Primary | 207LC0200X | Q5658 | TX |
| Anesthesiology | 207L00000X | Q5658 | TX |
| Anesthesiology | 207L00000X | MD430227 | PA |
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 - Critical Care (Intensivists) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 178 |
|---|---|
| Services billed | 506 across 13 procedure codes |
| Paid by Medicare | $81,892 |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Critical Care (Intensivists) |
Medical groups
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
- Tmh Physician Associates PLLCKaty, TX · 1,690 clinicians
- Houston Methodist Specialty PhysiciansHouston, TX · 1,528 clinicians
Hospital affiliation
- Houston Methodist HospitalHouston, TX
Industry payments (Open Payments)
- 2025$123.95 · 1 payment from 1 company
- 2024$16.20 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Actelion Pharmaceuticals US, Inc. | $123.95 | 1 |
What the 2025 payments were for
- Food and Beverage$123.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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