Puneet Kaur Grewal, M.D.
NPI 1750347639ActiveIndividual· Internal Medicine· Tracy, CA
Internal Medicine (M.D.) with Grewal Medical Associates Inc, practicing in Tracy, California. Their prescriptions cost Medicare Part D more than their services did: $399,234 for 5,200 claims, against $92,004 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 16 companies reporting payments in 2025, $777.03 in all, mostly food and beverage. Lists Doctors Hospital of Manteca and 1 other hospital as hospital affiliations.
Overview
| NPI | 1750347639 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 21, 2006 |
| Last updated in NPPES | Feb 2, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A53793 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 181 |
|---|---|
| Services billed | 1,336 across 48 procedure codes |
| Paid by Medicare | $92,004 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,200 · 10,632 30-day fills |
|---|---|
| Patients | 347 |
| Total drug cost | $399,234 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Grewal Medical Associates IncTracy, CA · 2 clinicians
Hospital affiliations
- Doctors Hospital of MantecaManteca, CA
- Sutter Tracy Community HospitalTracy, CA
Other facilities
- Lifeguard Home HealthHome health agency · Pleasanton, CA
Industry payments (Open Payments)
- 2025$777.03 · 41 payments from 16 companies
- 2024$979.43 · 53 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $192.64 | 12 |
| Bayer Healthcare Pharmaceuticals Inc. | $102.80 | 5 |
| Lilly USA, LLC | $63.34 | 3 |
| Exact Sciences Corporation | $58.87 | 3 |
| Abbott Laboratories | $52.94 | 3 |
What the 2025 payments were for
- Food and Beverage$777.03 · 41 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 34 internal medicine physicians in Tracy · All internal medicine physicians in California