Joseph Armstrong, MD
NPI 1134625486 · Pediatrics Physician · Glendale, AZ
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Armstrong, MD is a Pediatrics Physician provider in Glendale, AZ (NPI 1134625486).
Provider details
- NPI number
- 1134625486
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1919 E Thomas RdPhoenix, AZ 85016-7710Phone: (602) 546-2923
Registry dates
- Enumerated
- 2018-04-04
- Last updated
- 2021-06-16
- Certified
- 2021-05-19
Frequently asked questions
- What is Joseph Armstrong's NPI number?
- Joseph Armstrong's National Provider Identifier (NPI) is 1134625486, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Armstrong's specialty?
- Joseph Armstrong is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Armstrong located?
- Joseph Armstrong's practice location on file with NPPES is 7701 West Aspera Blvd, Glendale, AZ 85308.
- What is Joseph Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Joseph Armstrong is (623) 465-6060.
- Does Joseph Armstrong accept Medicare?
- Joseph Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Armstrong's NPI active?
- Yes — Joseph Armstrong's NPI (1134625486) is active in the NPPES registry as of the last update on 2021-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.