Quick answers
- Which hospitals does Nataraj Shanmugam work at?
- Medicare's official clinician data lists Nataraj Shanmugam at 5 hospitals: Dominican Hospital, Mercy General Hospital, Mercy Medical Center Redding, Mercy San Juan Medical Center and Sierra Nevada Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nataraj Shanmugam see patients?
- Medicare's clinician data lists 1 practice location in Carmichael, CA. Call before your visit to confirm the address.
- What is Nataraj Shanmugam's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty, and also Nuclear Medicine.
- Does Nataraj Shanmugam accept Medicare assignment?
- Yes. Medicare's clinician data says Nataraj Shanmugam 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 Nataraj Shanmugam?
- (916) 536-2408, as listed in official Medicare / NPI Registry data.
- What is Nataraj Shanmugam's NPI number?
- 1659535102. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nataraj Shanmugam works
Medicare's Facility Affiliation Data lists Nataraj Shanmugam at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Dominican HospitalSanta Cruz, CA · Acute Care Hospital · CCN 050242
- Mercy General HospitalSacramento, CA · Acute Care Hospital · CCN 050017
- Mercy Medical Center ReddingRedding, CA · Acute Care Hospital · CCN 050280
- Mercy San Juan Medical CenterCarmichael, CA · Acute Care Hospital · CCN 050516
- Sierra Nevada Memorial HospitalGrass Valley, CA · Acute Care Hospital · CCN 050150
Practice locations
Addresses where Nataraj Shanmugam is enrolled with Medicare (CMS data updated 2026-10-02).
- 6555 Coyle Ave, Suite 180Carmichael, CA 95608 (916) 536‑2408
Group practices
Medicare enrollment lists Nataraj Shanmugam as a member of this group (CMS data updated 2026-10-02).
- Dignity Health Medical Foundation1,184 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
- Nuclear Medicinealso
Other radiologists in Carmichael
Clinicians with the same Medicare primary specialty in Carmichael, 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) | 1659535102 |
| 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