Quick answers
- Where does Shivraj Singh see patients?
- Medicare's clinician data lists 2 practice locations, including Williamsville, NY. Call before your visit to confirm the address.
- What is Shivraj Singh's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Shivraj Singh accept Medicare assignment?
- Yes. Medicare's clinician data says Shivraj 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 Shivraj Singh?
- (716) 636-1902, as listed in official Medicare / NPI Registry data.
- What is Shivraj Singh's NPI number?
- 1376434886. 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 Shivraj Singh is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 College Pkwy, Suite 180Williamsville, NY 14221 (716) 636‑1902
- 400 International DrWilliamsville, NY 14221 (716) 631‑3555
Group practices
Medicare enrollment lists Shivraj Singh as a member of this group (CMS data updated 2026-10-02).
- Brain and Spine Medical Services PLLC56 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Williamsville
Clinicians with the same Medicare primary specialty in Williamsville, NY — not a recommendation.
Clinician information
| Graduation year | 2025 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376434886 |
| 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