Gary S Bellack MD Inc
NPI 1588822100 · Otolaryngology Physician · Los Angeles, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary S Bellack MD Inc is a Otolaryngology Physician organization in Los Angeles, CA (NPI 1588822100).
Provider details
- NPI number
- 1588822100
- Entity type
- Organization
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gary Bellack, Owner(310) 659-3938
- License
- C42325 (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
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
- 2008-05-30
- Last updated
- 2015-03-10
Frequently asked questions
- What is Gary S Bellack MD Inc's NPI number?
- Gary S Bellack MD Inc's National Provider Identifier (NPI) is 1588822100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gary S Bellack MD Inc?
- Gary S Bellack MD Inc is classified in the NPPES registry as Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Gary S Bellack MD Inc located?
- Gary S Bellack MD Inc's practice location on file with NPPES is 8631 W Third St, Los Angeles, CA 90048-5901.
- What is Gary S Bellack MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Gary S Bellack MD Inc is (310) 659-3938.
- Does Gary S Bellack MD Inc accept Medicare?
- Gary S Bellack MD Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Gary S Bellack MD Inc?
- The authorized official listed on Gary S Bellack MD Inc's NPPES record is Gary Bellack, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gary S Bellack MD Inc's NPI active?
- Yes — Gary S Bellack MD Inc's NPI (1588822100) is active in the NPPES registry as of the last update on 2015-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.