NPPES file of Aug 9, 2026

Danielle N. Mastriano, MSW,BA,LMSW,LADC

Addiction (Substance Use Disorder) Counselor · Waterbury, CT

Danielle N. Mastriano, MSW,BA,LMSW,LADC is an addiction (substance use disorder) counselor with a practice address in Waterbury, Connecticut, and NPI 1346590601, issued on Sep 13, 2012. Check the license (Connecticut 1124, as entered in NPPES) 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
1346590601
Name
Danielle N. Mastriano
Credential
MSW,BA,LMSW,LADC
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License numbers
1124 CT
000078 CT
Self-reported in NPPES; status is on the state search
Practice location
141 E Main St, Waterbury, CT 06702
Phone
(203) 575-0466
Enumerated
Sep 13, 2012
Record last updated
Nov 19, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(203) 574-3315
Medicaid ID
008057354 CT
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 759 in Connecticut → Look up another NPI →

Also registered at 141 E Main St

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

  1. Zazz -ByrdCommunity Health Worker1962838615
  2. Andrea Acevedo, BACommunity Health Worker1609216530
  3. Hannah AhrensStudent in an Organized Health Care Education/Training Program1609460849
  4. Olubusola AkinduroSocial Worker1457046468
  5. Vittoria Albanese, BACommunity Health Worker1740612654
  6. Bernice AldarondoCommunity Health Worker1194206037

Verify Danielle N. Mastriano in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 1124    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 Connecticut 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.

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Danielle N. Mastriano among 759 addiction (substance use disorder) counselor records in Connecticut

Danielle N. Mastriano, MSW,BA,LMSW,LADC 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 2012, is newer than 36% of them.

  • NPI issued2012 · 36% of these records are older, 57% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2019 · 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).

53 addiction (substance use disorder) counselor records list a practice address in Waterbury

They are 53 of the 3,148 NPPES records with a practice address in Waterbury, 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.

All 759 in Connecticut → Every provider in Waterbury → Addiction (Substance Use Disorder) Counselor nationwide →

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

  1. Mario Barbpza, CACWaterbury, CT 067021821119207
  2. William Colson, LADCWaterbury, CT 067021154466795
  3. Timothy CunninghamWaterbury, CT 067021922252352
  4. Vincent Delaney, CCDO,CCDPWaterbury, CT 067021467788844
  5. Doug Gruber, LADCWaterbury, CT 067021992076780
  6. Edgar Jimenez, CADCWaterbury, CT 067021205019569
  7. Jannet Jones, LADCWaterbury, CT 067021770813669
  8. David MercadoWaterbury, CT 067021326229857

Common questions

What is Danielle N. Mastriano, MSW,BA,LMSW,LADC's NPI number?

Danielle N. Mastriano, MSW,BA,LMSW,LADC's National Provider Identifier (NPI) is 1346590601, issued on Sep 13, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Danielle N. Mastriano, MSW,BA,LMSW,LADC located?

The NPPES record lists a practice address at 141 E Main St, Waterbury, CT, 06702. Phone: (203) 575-0466. Providers update this record themselves, so call before visiting.

How can I verify Danielle N. Mastriano, MSW,BA,LMSW,LADC's license?

NPPES lists Connecticut license number 1124, as entered by the provider. 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.

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.