NPPES file of Aug 9, 2026

Maria Lynn Siebel, R-L.C.S.W.

Mental Health Counselor · Brooklyn, NY

Maria Lynn Siebel, R-L.C.S.W. is a mental health counselor with a practice address in Brooklyn, New York, and NPI 1659424844, issued on Jan 19, 2007. Check the license (New York R034144-1, 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
1659424844
Name
Maria Lynn Siebel
Credential
R-L.C.S.W.
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
R034144-1 NY
Self-reported in NPPES; status is on the state search
Practice location
565 1St St, Brooklyn, NY 11215
Phone
(718) 369-2659
Enumerated
Jan 19, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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.
Download card Updates feed

Also registered at 565 1St St

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

  1. Gretchen Hartman, LCSWClinical Social Worker1366526493
  2. Helene Kendler, L.C.S.W.Clinical Social Worker1689715773
  3. Jessica Knapp, LCSWClinical Social Worker1194217836
  4. Patrick McNulty, LCSWClinical Social Worker1194121756
  5. Royanne Weiss, LCSW-RClinical Social Worker1457418865

Verify Maria Lynn Siebel 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 R034144-1
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

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 Maria Lynn Siebel, R-L.C.S.W.'s NPI number?

Maria Lynn Siebel, R-L.C.S.W.'s National Provider Identifier (NPI) is 1659424844, issued on Jan 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Maria Lynn Siebel, R-L.C.S.W. located?

The NPPES record lists a practice address at 565 1St St, Brooklyn, NY, 11215. Phone: (718) 369-2659. Providers update this record themselves, so call before visiting.

How can I verify Maria Lynn Siebel, R-L.C.S.W.'s license?

NPPES lists New York license number R034144-1, 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.