JOHN MATSEN LMHC
NPI 1194429530
Counselor - Mental Health in Brooklyn, NY

Active since March 29, 2023PECOS Enrolled
2233 NOSTRAND AVE STE 3, BROOKLYN, NY 11210(646) 819-3390 Get Directions Write a Review

NPPES record last updated: March 29, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About John Matsen Lmhc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN MATSEN LMHC (NPI 1194429530) is an individual mental health provider in Brooklyn, New York, licensed in New York (009512) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194429530
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameJOHN MATSENCredential: LMHC
Location Address2233 NOSTRAND AVE STE 3Brooklyn, NY 11210-3029
Mailing Address2233 Nostrand Ave Ste 3Brooklyn, NY 11210-3029 · (646) 819-3390
Sole ProprietorYes
Enumeration DateMarch 29, 2023
NPPES CertifiedMarch 29, 2023
✔ NPI 1194429530 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in NY · 009512
2233 NOSTRAND AVE STE 3, Brooklyn, NY 11210

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Matsen Lmhc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show John Matsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Addiction (Substance Use Disorder)
1007 QUENTIN RD
Brooklyn, NY 11223
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Jewish Board Of Family & Childrens Services Inc
  • 358 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 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Behavior Analyst
2233 NOSTRAND AVE STE 3
BROOKLYN, NY 11210
Behavior Analyst
2233 NOSTRAND AVE STE 3
BROOKLYN, NY 11210
Behavior Analyst
2233 NOSTRAND AVE STE 3
BROOKLYN, NY 11210
Social Worker (Clinical)
2233 NOSTRAND AVE STE 3
BROOKLYN, NY 11210
Social Worker
2233 NOSTRAND AVE STE 3
BROOKLYN, NY 11210

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 John Matsen's NPI number?

The NPI number for John Matsen is 1194429530. It was assigned to this individual provider in the NPPES registry on March 29, 2023.

Where is John Matsen located?

John Matsen practices at 2233 Nostrand Ave Ste 3, Brooklyn, NY 11210. The listed phone number is (646) 819-3390.

What is John Matsen's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is John Matsen enrolled in Medicare?

Yes. John Matsen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for John Matsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Matsen reassigns Medicare benefits to Jewish Board Of Family And Children's Services, 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 John Matsen'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 John Matsen was last updated on March 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.