Mary Mazel, M.D.
NPI 1043416621 · Pediatric Critical Care Medicine Physician · Chatsworth, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Mazel, M.D. is a Pediatric Critical Care Medicine Physician provider in Chatsworth, CA (NPI 1043416621).
Provider details
- NPI number
- 1043416621
- Entity type
- Individual
- Primary specialty
- Pediatric Critical Care Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A95634 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2007-06-21
- Last updated
- 2015-04-02
Frequently asked questions
- What is Mary Mazel's NPI number?
- Mary Mazel's National Provider Identifier (NPI) is 1043416621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Mazel's specialty?
- Mary Mazel is listed in the NPPES registry with a primary specialty of Pediatric Critical Care Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Mazel located?
- Mary Mazel's practice location on file with NPPES is 10606 Jordan Ave, Chatsworth, CA 91311-2133.
- What is Mary Mazel's phone number?
- The practice phone number listed in the NPPES registry for Mary Mazel is (310) 956-2078.
- Does Mary Mazel accept Medicare?
- Mary Mazel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Mazel's NPI active?
- Yes — Mary Mazel's NPI (1043416621) is active in the NPPES registry as of the last update on 2015-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.