Mark Izquierdo-Gallegos
NPI 1659740520 · Clinical Social Worker · Covina, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Izquierdo-Gallegos is a Clinical Social Worker provider in Covina, CA (NPI 1659740520).
Provider details
- NPI number
- 1659740520
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 71573 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2015-09-21
- Last updated
- 2019-12-09
- Certified
- 2019-12-09
Frequently asked questions
- What is Mark Izquierdo-Gallegos's NPI number?
- Mark Izquierdo-Gallegos's National Provider Identifier (NPI) is 1659740520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Izquierdo-Gallegos's specialty?
- Mark Izquierdo-Gallegos is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Izquierdo-Gallegos located?
- Mark Izquierdo-Gallegos's practice location on file with NPPES is 1359 N Grand Ave, Covina, CA 91724-1016.
- What is Mark Izquierdo-Gallegos's phone number?
- The practice phone number listed in the NPPES registry for Mark Izquierdo-Gallegos is (626) 430-2900.
- Does Mark Izquierdo-Gallegos accept Medicare?
- Mark Izquierdo-Gallegos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Izquierdo-Gallegos's NPI active?
- Yes — Mark Izquierdo-Gallegos's NPI (1659740520) is active in the NPPES registry as of the last update on 2019-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.