Sinan N. Alshahwany, M.D.
NPI 1801997440ActiveIndividual· Internal Medicine· Brentwood, CA
Internal Medicine (M.D.) with John Muir Physician Network, practicing in Brentwood, California. In 2024 Medicare paid $70,765 for 698 patients, and Part D covered 818 of their prescriptions, 80% of them generic. Dexcom, Inc. reported $36.93 in payments in 2025, mostly food and beverage. Lists John Muir Medical Center - Walnut Creek Campus as a hospital affiliation.
Overview
| NPI | 1801997440 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 26, 2006 |
| Last updated in NPPES | Jun 17, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A96392 | CA |
| General Practice | 208D00000X | A96392 | CA |
| Hospitalist | 208M00000X | A96392 | CA |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 698 |
|---|---|
| Services billed | 1,263 across 39 procedure codes |
| Paid by Medicare | $70,765 |
Part D prescriptions in 2024
| Prescriptions (claims) | 818 · 827 30-day fills |
|---|---|
| Patients | 556 |
| Total drug cost | $36,402 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliation
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$36.93 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $36.93 | 1 |
What the 2025 payments were for
- Food and Beverage$36.93 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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