Quick answers
- Which hospitals does Niranjan Sivakumar work at?
- Medicare's official clinician data lists Niranjan Sivakumar at 5 hospitals: Grays Harbor Community Hospital, Providence St Peter Hospital, Summit Pacific Medical Center, Tacoma General Allenmore Hospital and Willapa Harbor Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Niranjan Sivakumar see patients?
- Medicare's clinician data lists 1 practice location in Olympia, WA. Call before your visit to confirm the address.
- What is Niranjan Sivakumar's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Niranjan Sivakumar accept Medicare assignment?
- Yes. Medicare's clinician data says Niranjan Sivakumar 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.
- Does Niranjan Sivakumar offer telehealth?
- Medicare's clinician data says Niranjan Sivakumar offers telehealth services. Ask the office which visits can be done by video or phone.
- What is Niranjan Sivakumar's NPI number?
- 1750675609. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Niranjan Sivakumar works
Medicare's Facility Affiliation Data lists Niranjan Sivakumar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Grays Harbor Community HospitalAberdeen, WA · Acute Care Hospital · CCN 500031
- Providence St Peter HospitalOlympia, WA · Acute Care Hospital · CCN 500024
- Summit Pacific Medical CenterElma, WA · Critical Access Hospital · CCN 501304
- Tacoma General Allenmore HospitalTacoma, WA · Acute Care Hospital · CCN 500129
- Willapa Harbor HospitalSouth Bend, WA · Critical Access Hospital · CCN 501303
Practice locations
Addresses where Niranjan Sivakumar is enrolled with Medicare (CMS data updated 2026-10-02).
- 3525 Ensign Rd NE, Suite KOlympia, WA 98506
Group practices
Medicare enrollment lists Niranjan Sivakumar as a member of this group (CMS data updated 2026-10-02).
- Memorial Nephrology Associates PLLC9 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Olympia
Clinicians with the same Medicare primary specialty in Olympia, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nevada School Of Medicine |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1750675609 |
| 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