NPPES file of Aug 9, 2026

John Matsen, LMHC

Mental Health Counselor · Brooklyn, NY

John Matsen, LMHC is a mental health counselor with a practice address in Brooklyn, New York, and NPI 1194429530, issued on Mar 29, 2023. Check the license (New York 009512, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194429530
Name
John Matsen
Credential
LMHC
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
009512 NY
Self-reported in NPPES; status is on the state search
Practice location
2233 Nostrand Ave Ste 3, Brooklyn, NY 11210
Phone
(646) 819-3390
Enumerated
Mar 29, 2023
Record last updated
Mar 29, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2233 Nostrand Ave Ste 3

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kayla Broady, LMSWSocial Worker1942766118
  2. Stephanie EspinalBehavior Analyst1548852064
  3. Shama Goklani, MA., LMSWClinical Social Worker1598013682
  4. Janecssa MoralesBehavior Analyst1477129153
  5. Destiny SquiresBehavior Analyst1043858566

Verify John Matsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 009512
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

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2,722 mental health counselor records list a practice address in Brooklyn

They are 2,722 of the 64,057 NPPES records with a practice address in Brooklyn, and 19,989 mental health counselor records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other mental health counselor records in New York

  1. Amena AamirBronx, NY1366317711
  2. Brian AaronsHempstead, NY1699442335
  3. Edirin Abada, MHCBrooklyn, NY1215518519
  4. Fortune AbadiBrooklyn, NY1144778820
  5. Yehuda AbadiFar Rockaway, NY1912559436
  6. Kayla Abare, LMHCQueensbury, NY1780144782
  7. Raya Abat-Robinson, LMHC-D, NCC, CCMHCNew York, NY1457952152
  8. Aria Abatangelo, MA, NCC, MHC-LPBrooklyn, NY1740653609
  9. Denise Abatemarco, LMHCBrooklyn, NY1487992897
  10. Jacqueline Abbanat, MHCNewburgh, NY1891421335

Common questions

What is John Matsen, LMHC's NPI number?

John Matsen, LMHC's National Provider Identifier (NPI) is 1194429530, issued on Mar 29, 2023. An NPI identifies a provider in billing; it is not a license.

Where is John Matsen, LMHC located?

The NPPES record lists a practice address at 2233 Nostrand Ave Ste 3, Brooklyn, NY, 11210. Phone: (646) 819-3390. Providers update this record themselves, so call before visiting.

How can I verify John Matsen, LMHC's license?

NPPES lists New York license number 009512, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.