Quick answers
- Where does Douglas I. Holtzinger see patients?
- Medicare's clinician data lists 1 practice location in Hermosa Beach, CA. Call before your visit to confirm the address.
- What is Douglas I. Holtzinger's specialty?
- Medicare lists Chiropractic as the primary specialty.
- Does Douglas I. Holtzinger accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas I. Holtzinger 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 Douglas I. Holtzinger?
- (310) 341-8365, as listed in official Medicare / NPI Registry data.
- What is Douglas I. Holtzinger's NPI number?
- 1255497210. 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 Douglas I. Holtzinger is enrolled with Medicare (CMS data updated 2026-10-02).
- 1102 Aviation Blvd CHermosa Beach, CA 90254 (310) 341‑8365
Specialties
- Chiropracticprimary
Other chiropractors in Hermosa Beach
Clinicians with the same Medicare primary specialty in Hermosa Beach, CA — not a recommendation.
Clinician information
| Credential | CH |
|---|---|
| Medical school | Cleveland Chiropractic College - Kansas City |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255497210 |
| 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