Quick answers
- Which hospitals does Frederick Johnson work at?
- Medicare's official clinician data lists Frederick Johnson at 2 hospitals: Exceptional Community Hospital Bullhead City and La Paz Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Frederick Johnson see patients?
- Medicare's clinician data lists 2 practice locations, including Parker, AZ and Bullhead City, AZ. Call before your visit to confirm the address.
- What is Frederick Johnson's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Frederick Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Frederick Johnson 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 Frederick Johnson?
- (954) 939-5000, as listed in official Medicare / NPI Registry data.
- What is Frederick Johnson's NPI number?
- 1891780029. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Frederick Johnson works
Medicare's Facility Affiliation Data lists Frederick Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Exceptional Community Hospital Bullhead CityBullhead City, AZ · Acute Care Hospital · CCN 030155
- La Paz Regional HospitalParker, AZ · Critical Access Hospital · CCN 031317
Practice locations
Addresses where Frederick Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1200 Mohave Rd, Emergency DeptParker, AZ 85344 (954) 939‑5000
- 2365 Hwy 95Bullhead City, AZ 86442 (469) 341‑7800
Group practices
Medicare enrollment lists Frederick Johnson as a member of these groups (CMS data updated 2026-10-02).
- Sunset Emergency Physicians LLC15 clinicians in the group
- Exceptional Physicians Group Bullhead City Hospital PLLC10 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Parker
Clinicians with the same Medicare primary specialty in Parker, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891780029 |
| 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