Gustavo a Alza MD a Medical Corporation
NPI 1174605612 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gustavo a Alza MD a Medical Corporation is a Internal Medicine Physician organization in Los Angeles, CA (NPI 1174605612).
Provider details
- NPI number
- 1174605612
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gustavo Alza, Corporate President(323) 259-0456
- License
- G48749 (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
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
Other names (DBA / former)
- Other name
- Gustavo a Alza MD a Medical Corporation
Registry dates
- Enumerated
- 2006-10-20
- Last updated
- 2015-02-27
Frequently asked questions
- What is Gustavo a Alza MD a Medical Corporation's NPI number?
- Gustavo a Alza MD a Medical Corporation's National Provider Identifier (NPI) is 1174605612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gustavo a Alza MD a Medical Corporation?
- Gustavo a Alza MD a Medical Corporation is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gustavo a Alza MD a Medical Corporation located?
- Gustavo a Alza MD a Medical Corporation's practice location on file with NPPES is 5224 N Figueroa Street, Los Angeles, CA 90042-4118.
- What is Gustavo a Alza MD a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Gustavo a Alza MD a Medical Corporation is (323) 259-0456.
- Does Gustavo a Alza MD a Medical Corporation accept Medicare?
- Gustavo a Alza MD a Medical Corporation 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 Gustavo a Alza MD a Medical Corporation?
- The authorized official listed on Gustavo a Alza MD a Medical Corporation's NPPES record is Gustavo Alza, Corporate President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gustavo a Alza MD a Medical Corporation's NPI active?
- Yes — Gustavo a Alza MD a Medical Corporation's NPI (1174605612) is active in the NPPES registry as of the last update on 2015-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.