NPPES file of Aug 9, 2026

John Chernack, CASAC-T

Addiction (Substance Use Disorder) Counselor · Staten Island, NY

John Chernack, CASAC-T is an addiction (substance use disorder) counselor with a practice address in Staten Island, New York, and NPI 1457621328, issued on Jan 9, 2012. Check the license (New York 24627, 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
1457621328
Name
John Chernack
Credential
CASAC-T
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
24627 NY
Self-reported in NPPES; status is on the state search
Practice location
273 Heberton Ave, Staten Island, NY 10302
Phone
(717) 816-6589
Enumerated
Jan 9, 2012
Record last updated
Jan 9, 2012 (not updated in 14 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.
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8 nearest addiction (substance use disorder) counselor records → All 5,180 in New York → Look up another NPI →

Also registered at 273 Heberton Ave

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

  1. Joseph Alexander, CASACAddiction (Substance Use Disorder) Counselor1417227406
  2. Akshai AnilSocial Worker1255152179
  3. Asia BaldwinAddiction (Substance Use Disorder) Counselor1649927435
  4. Lou BerdeciaCounselor1265827125
  5. Susan Bernstein, CASACAddiction (Substance Use Disorder) Counselor1760876726
  6. Robert BiondoCounselor1902374325

Verify John Chernack 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 24627    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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John Chernack among 5,180 addiction (substance use disorder) counselor records in New York

John Chernack, CASAC-T is one of 5,180 addiction (substance use disorder) counselor records with a practice address in New York. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2012, is newer than 29% of them.

  • NPI issued2012 · 29% of these records are older, 68% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2012 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

194 addiction (substance use disorder) counselor records list a practice address in Staten Island

They are 194 of the 12,351 NPPES records with a practice address in Staten Island, and 5,180 addiction (substance use disorder) counselor records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,180 in New York → Every provider in Staten Island → Addiction (Substance Use Disorder) Counselor nationwide →

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Joseph Alexander, CASACStaten Island, NY 103021417227406
  2. Joseph Blake, CASACStaten Island, NY 103021952671844
  3. Debora Blanford-Gaskin, CASAC-TStaten Island, NY 103021669743423
  4. Barbara Carioti, CASACStaten Island, NY 103021275805871
  5. Carol Casey, CASAC-TStaten Island, NY 103021073885687
  6. Carol Celauro, L.P.N., CASAC-TStaten Island, NY 103021568733988
  7. Jennifer Defillipo, CASAC-TStaten Island, NY 103021275804601
  8. Carl Feren, CASACStaten Island, NY 103021669742656

Common questions

What is John Chernack, CASAC-T's NPI number?

John Chernack, CASAC-T's National Provider Identifier (NPI) is 1457621328, issued on Jan 9, 2012. An NPI identifies a provider in billing; it is not a license.

Where is John Chernack, CASAC-T located?

The NPPES record lists a practice address at 273 Heberton Ave, Staten Island, NY, 10302. Phone: (717) 816-6589. Providers update this record themselves, so call before visiting.

How can I verify John Chernack, CASAC-T's license?

NPPES lists New York license number 24627, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.