Quick answers
- Which hospitals does Christopher R. Buttelman work at?
- Medicare's official clinician data lists Christopher R. Buttelman at 2 hospitals: Northridge Hospital Medical Center and Providence Holy Cross Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Christopher R. Buttelman see patients?
- Medicare's clinician data lists 1 practice location in Northridge, CA. Call before your visit to confirm the address.
- What is Christopher R. Buttelman's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Christopher R. Buttelman accept Medicare assignment?
- Medicare's clinician data says Christopher R. Buttelman may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Christopher R. Buttelman?
- (818) 832-7802, as listed in official Medicare / NPI Registry data.
- What is Christopher R. Buttelman's NPI number?
- 1437128840. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christopher R. Buttelman works
Medicare's Facility Affiliation Data lists Christopher R. Buttelman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northridge Hospital Medical CenterNorthridge, CA · Acute Care Hospital · CCN 050116
- Providence Holy Cross Medical CenterMission Hills, CA · Acute Care Hospital · CCN 050278
Practice locations
Addresses where Christopher R. Buttelman is enrolled with Medicare (CMS data updated 2026-10-02).
- 17075 Devonshire St, Suite 209Northridge, CA 91325 (818) 832‑7802
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Northridge
Clinicians with the same Medicare primary specialty in Northridge, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1437128840 |
| 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