NPPES file of Aug 9, 2026

Mary Chepak, LMSW

Social Worker · Mastic Beach, NY

Mary Chepak, LMSW is a social worker with a practice address in Mastic Beach, New York, and NPI 1962877381, issued on Dec 10, 2015. Check the license (New York 050639, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1962877381
Name
Mary Chepak
Credential
LMSW
Primary taxonomy
Social Worker 104100000X
License number
050639 NY
Self-reported in NPPES; status is on the state search
Practice location
22 Spar Dr, Mastic Beach, NY 11951
Phone
(631) 657-6645
Enumerated
Dec 10, 2015
Record last updated
Dec 10, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180716000756); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Mary Chepak 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 050639
    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
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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Community Counseling And Lcsw ServicesCenter Moriches, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

7 social worker records list a practice address in Mastic Beach

They are 7 of the 162 NPPES records with a practice address in Mastic Beach, and 23,561 social worker records in New York.

Other social worker records in New York

  1. Sheila AagnerNew York, NY1801720784
  2. Desiree AaronBronx, NY1851277875
  3. Joy Aaron, LMSWAlbany, NY1295376192
  4. Fay Aaronson, LCSW-RMargaretville, NY1710253224
  5. Iliana Abad, LMSWBrooklyn, NY1427328194
  6. Samantha AbadNew York, NY1831948561
  7. Angelyse Abalco, LMSWSmithtown, NY1083255251
  8. Nicola Abbadessa, LCSWRego Park, NY1235239310
  9. Fadhil AbbasBuffalo, NY1588222418
  10. Marya Abbas, LMSWJackson Heights, NY1770355190

Common questions

What is Mary Chepak, LMSW's NPI number?

Mary Chepak, LMSW's National Provider Identifier (NPI) is 1962877381, issued on Dec 10, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Mary Chepak, LMSW located?

The NPPES record lists a practice address at 22 Spar Dr, Mastic Beach, NY, 11951. Phone: (631) 657-6645. Providers update this record themselves, so call before visiting.

How can I verify Mary Chepak, LMSW's license?

NPPES lists New York license number 050639, 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. Medicare files from data.cms.gov. 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.