Gary Mathern, MD
NPI 1912922097 · Neurological Surgery Physician · Los Angeles, CA
Gary Mathern, MD is a Neurological Surgery Physician provider in Los Angeles, CA (NPI 1912922097).
Provider details
- NPI number
- 1912922097
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G51728 (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
- 2006-07-12
- Last updated
- 2010-07-27
Frequently asked questions
- What is Gary Mathern's NPI number?
- Gary Mathern's National Provider Identifier (NPI) is 1912922097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Mathern's specialty?
- Gary Mathern is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Mathern located?
- Gary Mathern's practice location on file with NPPES is 300 Medical Plz, Los Angeles, CA 90095-0001.
- What is Gary Mathern's phone number?
- The practice phone number listed in the NPPES registry for Gary Mathern is (310) 825-9111.
- Is Gary Mathern's NPI active?
- Yes — Gary Mathern's NPI (1912922097) is active in the NPPES registry as of the last update on 2010-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.