Alexandra Concannon, DO
NPI 1962022343 · Pediatrics Physician · Antioch, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Concannon, DO is a Pediatrics Physician provider in Antioch, CA (NPI 1962022343).
Provider details
- NPI number
- 1962022343
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A21118 (CA)
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
6 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
- 2020-04-25
- Last updated
- 2023-08-18
- Certified
- 2023-08-18
Frequently asked questions
- What is Alexandra Concannon's NPI number?
- Alexandra Concannon's National Provider Identifier (NPI) is 1962022343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Concannon's specialty?
- Alexandra Concannon is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Alexandra Concannon located?
- Alexandra Concannon's practice location on file with NPPES is 3400 Delta Fair Blvd, Antioch, CA 94509-4004.
- What is Alexandra Concannon's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Concannon is (925) 779-5000.
- Does Alexandra Concannon accept Medicare?
- Alexandra Concannon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Concannon's NPI active?
- Yes — Alexandra Concannon's NPI (1962022343) is active in the NPPES registry as of the last update on 2023-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.