NPPES file of Aug 9, 2026

William L. Decarlo

Addiction (Substance Use Disorder) Counselor · Hartford, CT

William L. Decarlo is an addiction (substance use disorder) counselor with a practice address in Hartford, Connecticut, and NPI 1255588331, issued on Aug 20, 2008. Check the license with the Connecticut 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
1255588331
Name
William L. Decarlo
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
Practice location
45 Wadsworth Avenue, Hartford, CT 06106
Phone
(860) 527-1124
Enumerated
Aug 20, 2008
Record last updated
Aug 20, 2008 (not updated in 18 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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Verify William L. Decarlo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this professionCheck 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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William L. Decarlo among 759 addiction (substance use disorder) counselor records in Connecticut

William L. Decarlo is one of 759 addiction (substance use disorder) counselor records with a practice address in Connecticut. 6% 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 2008, is newer than 21% of them.

  • NPI issued2008 · 21% of these records are older, 74% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2008 · 62% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

82 addiction (substance use disorder) counselor records list a practice address in Hartford

They are 82 of the 6,317 NPPES records with a practice address in Hartford, and 759 addiction (substance use disorder) counselor records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

  1. Karen Bidwell, LADCHartford, CT 061061174631949
  2. Lourdes CarrascoHartford, CT 061061255644415
  3. Susan Comen, MS, LADCHartford, CT 061061831285709
  4. Samuel Diaz, M.S.Hartford, CT 061061851670046
  5. Charles Dodd, MS/LADCHartford, CT 061061730450099
  6. Thelma Epps, LADC, CAC, ICADCHartford, CT 061061649574799
  7. Armando Gonzalez, MSHartford, CT 061061215169172
  8. Jesus LopezHartford, CT 061061831513811

Common questions

What is William L. Decarlo's NPI number?

William L. Decarlo's National Provider Identifier (NPI) is 1255588331, issued on Aug 20, 2008. An NPI identifies a provider in billing; it is not a license.

Where is William L. Decarlo located?

The NPPES record lists a practice address at 45 Wadsworth Avenue, Hartford, CT, 06106. Phone: (860) 527-1124. Providers update this record themselves, so call before visiting.

How can I verify William L. Decarlo's license?

Search the Connecticut 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.