Sonal Aggarwal, MD
NPI 1336336411ActiveIndividual· Family Medicine· Walnut Creek, CA
Family Medicine (MD) with John Muir Physician Network, practicing in Walnut Creek, California. 379 Medicare patients in 2024, $57,154 paid; nearly all of their 579 Part D prescriptions were generic (91%). Pfizer Inc. was the largest of 5 companies reporting payments in 2025, $198.71 in all, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1336336411 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 2, 2007 |
| Last updated in NPPES | Jun 26, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A101426 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 379 |
|---|---|
| Services billed | 757 across 24 procedure codes |
| Paid by Medicare | $57,154 |
Part D prescriptions in 2024
| Prescriptions (claims) | 579 · 1,190 30-day fills |
|---|---|
| Patients | 233 |
| Total drug cost | $31,227 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Other facilities
- Health Link Home Health AgencyHome health agency · San Francisco, CA
Industry payments (Open Payments)
- 2025$198.71 · 8 payments from 5 companies
- 2024$180.68 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $47.67 | 2 |
| Glaxosmithkline, LLC. | $45.86 | 2 |
| Lilly USA, LLC | $43.76 | 2 |
| Astrazeneca Pharmaceuticals LP | $32.63 | 1 |
| Merck Sharp & Dohme LLC | $28.79 | 1 |
What the 2025 payments were for
- Food and Beverage$198.71 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 130 family medicine physicians in Walnut Creek · All family medicine physicians in California