Quick answers
- Where does Johnnie Harrison see patients?
- Medicare's clinician data lists 2 practice locations, including Quartz Hill, CA and Los Angeles, CA. Call before your visit to confirm the address.
- What is Johnnie Harrison's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Johnnie Harrison accept Medicare assignment?
- Yes. Medicare's clinician data says Johnnie Harrison 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 Johnnie Harrison?
- (661) 418-6880, as listed in official Medicare / NPI Registry data.
- What is Johnnie Harrison's NPI number?
- 1881097491. 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 Johnnie Harrison is enrolled with Medicare (CMS data updated 2026-10-02).
- 42055 50th St W, Suite 10Quartz Hill, CA 93536 (661) 418‑6880
- 8591 W Pico BlvdLos Angeles, CA 90035 (323) 934‑2582
Specialties
Find other clinicians: Physical Therapist in Private Practice, California →
Other physical therapists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881097491 |
| 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