Navjot Grewal
NPI 1245646231ActiveIndividual· Internal Medicine, Sleep Medicine· San Ramon, CA
Internal Medicine, Sleep Medicine with Cooper Physician Offices PA and 2 other groups, practicing in San Ramon, California. 714 Medicare patients in 2024, $300,583 paid; nearly all of their 547 Part D prescriptions were generic (93%). Jazz Pharmaceuticals Inc. reported $43.05 in payments in 2025, mostly food and beverage. Lists Cape Regional Medical Center Inc as a hospital affiliation.
Overview
| NPI | 1245646231 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jul 10, 2014 |
| Last updated in NPPES | Nov 20, 2023 |
| Certified by provider | Nov 20, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Sleep Medicine Primary | 207RS0012X | 20A17522 | CA |
| Internal Medicine, Sleep Medicine | 207RS0012X | 25MB09888800 | NJ |
| Hospitalist | 208M00000X | 25MB09888800 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA); Practitioner - Sleep Medicine (MA); Practitioner - Internal Medicine (MN); Practitioner - Sleep Medicine (NJ); Practitioner - Sleep Medicine (NY); Practitioner - Sleep Medicine (OR); Practitioner - Sleep Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 714 |
|---|---|
| Services billed | 3,827 across 30 procedure codes |
| Paid by Medicare | $300,583 |
Part D prescriptions in 2024
| Prescriptions (claims) | 547 · 943 30-day fills |
|---|---|
| Patients | 143 |
| Total drug cost | $66,026 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Sleep Medicine |
| Secondary specialties | Internal Medicine, Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical groups
- Cooper Physician Offices PACamden, NJ · 337 clinicians
- Guardian Health Partners Inc.Marmora, NJ · 11 clinicians
- Haramandeep Singh MD IncSan Ramon, CA · 2 clinicians
Hospital affiliation
- Cape Regional Medical Center IncCape May Court House, NJ
Industry payments (Open Payments)
- 2025$43.05 · 2 payments from 1 company
- 2024$287.65 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Jazz Pharmaceuticals Inc. | $43.05 | 2 |
What the 2025 payments were for
- Food and Beverage$43.05 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Sleep Medicine providers in San Ramon
- 1417910407
All Internal Medicine, Sleep Medicine providers in California →