Quick answers
- Which hospitals does Vishnu S. Singh work at?
- Medicare's official clinician data lists Vishnu S. Singh at 5 hospitals: Doctors Hospital of Manteca, Eden Medical Center, Memorial Medical Center, Petaluma Valley Hospital and St Joseph's Medical Center of Stockton. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Vishnu S. Singh see patients?
- Medicare's clinician data lists 9 practice locations, including Manteca, CA, Modesto, CA and Castro Valley, CA. Call before your visit to confirm the address.
- What is Vishnu S. Singh's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Vishnu S. Singh accept Medicare assignment?
- Yes. Medicare's clinician data says Vishnu S. Singh 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 Vishnu S. Singh?
- (209) 576-3525, as listed in official Medicare / NPI Registry data.
- What is Vishnu S. Singh's NPI number?
- 1528391034. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Vishnu S. Singh works
Medicare's Facility Affiliation Data lists Vishnu S. Singh at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Doctors Hospital of MantecaManteca, CA · Acute Care Hospital · CCN 050118
- Eden Medical CenterCastro Valley, CA · Acute Care Hospital · CCN 050488
- Memorial Medical CenterModesto, CA · Acute Care Hospital · CCN 050557
- Petaluma Valley HospitalPetaluma, CA · Acute Care Hospital · CCN 050136
- St Joseph's Medical Center of StocktonStockton, CA · Acute Care Hospital · CCN 050084
Practice locations
Addresses where Vishnu S. Singh is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1205 E N StManteca, CA 95336 (209) 576‑3525
- 1700 Coffee RdModesto, CA 95355 (209) 526‑4500
- 20103 Lake Chabot RdCastro Valley, CA 94546 (510) 727‑3256
- 2615 Chester AveBakersfield, CA 93301 (661) 869‑6227
- 2800 L StSacramento, CA 95816
Group practices
Medicare enrollment lists Vishnu S. Singh as a member of these groups (CMS data updated 2026-10-02).
- Sutter Bay Medical Foundation3,829 clinicians in the group
- Sutter Valley Medical Foundation2,500 clinicians in the group
- Inpatient Specialists of California PC385 clinicians in the group
- Hospitalists of Modesto Medical Group Inc85 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Manteca
Clinicians with the same Medicare primary specialty in Manteca, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528391034 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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