Quick answers
- Where does Siddhartha Agrawal see patients?
- Medicare's clinician data lists 4 practice locations, including Walnut Creek, CA, Porterville, CA and Visalia, CA. Call before your visit to confirm the address.
- What is Siddhartha Agrawal's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Siddhartha Agrawal accept Medicare assignment?
- Yes. Medicare's clinician data says Siddhartha Agrawal accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Siddhartha Agrawal?
- (559) 625-4118, as listed in official Medicare / NPI Registry data.
- What is Siddhartha Agrawal's NPI number?
- 1477761963. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Siddhartha Agrawal is enrolled with Medicare (CMS data updated 2026-10-02).
- 365 Lennon LnWalnut Creek, CA 94598
- 384 Pearson DrPorterville, CA 93257 (559) 625‑4118
- 820 S Akers StVisalia, CA 93277 (559) 625‑4118
- 820 S Akers St, Suite 120Visalia, CA 93277 (559) 625‑4118
Group practices
Medicare enrollment lists Siddhartha Agrawal as a member of these groups (CMS data updated 2026-10-02).
- Bass Medical Group291 clinicians in the group
- South Valley Vascular Associates Inc.5 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Walnut Creek
Clinicians with the same Medicare primary specialty in Walnut Creek, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477761963 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians