SANTIAGO MARQUEZ
NPI 1376217703
Counselor - Mental Health in New York, NY
About Santiago Marquez NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SANTIAGO MARQUEZ (NPI 1376217703) is an individual mental health provider in New York, New York and active in the NPI registry since August 2021. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Santiago Marquez is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Santiago Marquez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brooklyn, NY 11229
- Reassigned Medicare billing, New York enrollment
- 306 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Santiago Marquez's NPI number?
The NPI number for Santiago Marquez is 1376217703. It was assigned to this individual provider in the NPPES registry on August 9, 2021.
Where is Santiago Marquez located?
Santiago Marquez practices at 109 E 115th St, New York, NY 10029. The listed phone number is (212) 633-3000.
What is Santiago Marquez's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Santiago Marquez enrolled in Medicare?
Yes. Santiago Marquez is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Santiago Marquez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Santiago Marquez reassigns Medicare benefits to Interborough Developmental And Consultation Center, Inc. (Brooklyn, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Santiago Marquez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Santiago Marquez was last updated on August 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Santiago Marquez · NPI 1376217703
Mental Health provider in New York, New York. Individual provider, active in the CMS NPPES registry since August 9, 2021.
## Identity
- **NPI:** 1376217703 (Entity type: Individual)
- **Enumerated:** August 9, 2021
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** No
## Practice location
- **Address:** 109 E 115TH ST, New York, NY 10029-1186
- **Phone:** (212) 633-3000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Interborough Developmental And Consultation Center, Inc. (NPI 1588611842, Brooklyn, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 9, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1376217703) · Data from the CMS NPPES public registry.