Stephen Johnson, MD
NPI 1396851994 · Emergency Medicine Physician · Glendale, AZ
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Johnson, MD is a Emergency Medicine Physician provider in Glendale, AZ (NPI 1396851994).
Provider details
- NPI number
- 1396851994
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 20163 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-23
- Last updated
- 2007-10-24
Frequently asked questions
- What is Stephen Johnson's NPI number?
- Stephen Johnson's National Provider Identifier (NPI) is 1396851994, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Johnson's specialty?
- Stephen Johnson is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Johnson located?
- Stephen Johnson's practice location on file with NPPES is 5555 W Thunderbird Rd, Glendale, AZ 85306-4622.
- What is Stephen Johnson's phone number?
- The practice phone number listed in the NPPES registry for Stephen Johnson is (602) 588-5555.
- Does Stephen Johnson accept Medicare?
- Stephen Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Johnson's NPI active?
- Yes — Stephen Johnson's NPI (1396851994) is active in the NPPES registry as of the last update on 2007-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.