Julian Mattiello, M.D., PH.D.
NPI 1033368998 · Neurological Surgery Physician · Los Angeles, CA
Julian Mattiello, M.D., PH.D. is a Neurological Surgery Physician provider in Los Angeles, CA (NPI 1033368998).
Provider details
- NPI number
- 1033368998
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD421707 (PA)
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
18 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
- 2008-09-16
- Last updated
- 2013-04-03
Frequently asked questions
- What is Julian Mattiello's NPI number?
- Julian Mattiello's National Provider Identifier (NPI) is 1033368998, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julian Mattiello's specialty?
- Julian Mattiello is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Julian Mattiello located?
- Julian Mattiello's practice location on file with NPPES is 8635 W 3rd St, Los Angeles, CA 90048-6101.
- What is Julian Mattiello's phone number?
- The practice phone number listed in the NPPES registry for Julian Mattiello is (310) 423-9900.
- Is Julian Mattiello's NPI active?
- Yes — Julian Mattiello's NPI (1033368998) is active in the NPPES registry as of the last update on 2013-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.