NPPES file of Aug 9, 2026

Mark Melillo, MS, LCADC, RYT-200

Addiction (Substance Use Disorder) Counselor · Princeton, NJ

Mark Melillo, MS, LCADC, RYT-200 is an addiction (substance use disorder) counselor with a practice address in Princeton, New Jersey, and NPI 1174978159, issued on Apr 27, 2016. Check the license (New Jersey 37LC00252200, as entered in NPPES) with the New Jersey 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
1174978159
Name
Mark Melillo
Credential
MS, LCADC, RYT-200
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
37LC00252200 NJ
Self-reported in NPPES; status is on the state search
Practice location
1 Monument Drive, Princeton, NJ 08540
Phone
(609) 924-8018
Enumerated
Apr 27, 2016
Record last updated
Jan 13, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(609) 688-2045
Medicaid ID
1174978159 NJ
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 1,226 in New Jersey → Look up another NPI →

Verify Mark Melillo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
    Search for license 37LC00252200    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 Jersey license search

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Mark Melillo among 1,226 addiction (substance use disorder) counselor records in New Jersey

Mark Melillo, MS, LCADC, RYT-200 is one of 1,226 addiction (substance use disorder) counselor records with a practice address in New Jersey. 2% 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 2016, is newer than 36% of them.

  • NPI issued2016 · 36% of these records are older, 60% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2017 · 50% 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 Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction (Substance Use Disorder) Counselor providers in New Jersey

There are 1,226 addiction (substance use disorder) counselor records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,226 in New Jersey → Every provider in Princeton → Addiction (Substance Use Disorder) Counselor nationwide →

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

  1. Margaret Anderson, B.A., CADCPrinceton, NJ 085401104161199
  2. Terbett Fairman, LCADCPrinceton, NJ 085401720434947
  3. Kevin Ferry, LCSW, LCADCPrinceton, NJ 085401124184296
  4. Cheryl Gesregan, LCSWPrinceton, NJ 085401417159450
  5. Joanne Hirsch, MA,NCC,LPCPrinceton, NJ 085401033360623
  6. Laura Peoples, LCADC, LSWPrinceton, NJ 085401609390616
  7. Malcolm Thompson, LPC, LCADC, NCC, SACPrinceton, NJ 085401093840449
  8. Jacqueline Porter-Stewart, LCADC, LCSW, SAP,Princeton, NJ 085421912169103

Common questions

What is Mark Melillo, MS, LCADC, RYT-200's NPI number?

Mark Melillo, MS, LCADC, RYT-200's National Provider Identifier (NPI) is 1174978159, issued on Apr 27, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Mark Melillo, MS, LCADC, RYT-200 located?

The NPPES record lists a practice address at 1 Monument Drive, Princeton, NJ, 08540. Phone: (609) 924-8018. Providers update this record themselves, so call before visiting.

How can I verify Mark Melillo, MS, LCADC, RYT-200's license?

NPPES lists New Jersey license number 37LC00252200, as entered by the provider. Search the New Jersey 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.