Jack Mazzulo, MD
NPI 1518511690 · Emergency Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jack Mazzulo, MD is a Emergency Medicine Physician provider in Los Angeles, CA (NPI 1518511690).
Provider details
- NPI number
- 1518511690
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A197603 (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
- 2019-07-28
- Last updated
- 2025-07-15
- Certified
- 2025-07-15
Frequently asked questions
- What is Jack Mazzulo's NPI number?
- Jack Mazzulo's National Provider Identifier (NPI) is 1518511690, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Mazzulo's specialty?
- Jack Mazzulo is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Mazzulo located?
- Jack Mazzulo's practice location on file with NPPES is 1200 N State St, Los Angeles, CA 90089-1001.
- What is Jack Mazzulo's phone number?
- The practice phone number listed in the NPPES registry for Jack Mazzulo is (704) 517-4334.
- Does Jack Mazzulo accept Medicare?
- Jack Mazzulo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jack Mazzulo's NPI active?
- Yes — Jack Mazzulo's NPI (1518511690) is active in the NPPES registry as of the last update on 2025-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.