Marcos Perez, LCSW
NPI 1285402529 · Clinical Social Worker · Niles, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcos Perez, LCSW is a Clinical Social Worker provider in Niles, IL (NPI 1285402529).
Provider details
- NPI number
- 1285402529
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 150106629 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
- 2023-12-15
- Last updated
- 2026-05-22
- Certified
- 2026-05-22
Frequently asked questions
- What is Marcos Perez's NPI number?
- Marcos Perez's National Provider Identifier (NPI) is 1285402529, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcos Perez's specialty?
- Marcos Perez is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marcos Perez located?
- Marcos Perez's practice location on file with NPPES is 999 Civic Center Dr Fl 3, Niles, IL 60714-3224.
- What is Marcos Perez's phone number?
- The practice phone number listed in the NPPES registry for Marcos Perez is (847) 588-8486.
- Does Marcos Perez accept Medicare?
- Marcos Perez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcos Perez's NPI active?
- Yes — Marcos Perez's NPI (1285402529) is active in the NPPES registry as of the last update on 2026-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.