NPPES file of Aug 9, 2026

Eugene Dennis Isaak

Addiction (Substance Use Disorder) Counselor · Springfield, MA

Eugene Dennis Isaak is an addiction (substance use disorder) counselor with a practice address in Springfield, Massachusetts, and NPI 1619419462, issued on Nov 10, 2016. Check the license with the Massachusetts 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
1619419462
Name
Eugene Dennis Isaak
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
Practice location
1607 Main St, Springfield, MA 01103
Phone
(508) 361-1847
Enumerated
Nov 10, 2016
Record last updated
Nov 10, 2016 (not updated in 10 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 Eugene Dennis Isaak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts 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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Eugene Dennis Isaak among 2,375 addiction (substance use disorder) counselor records in Massachusetts

Eugene Dennis Isaak is one of 2,375 addiction (substance use disorder) counselor records with a practice address in Massachusetts. 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 42% of them.

  • NPI issued2016 · 42% of these records are older, 54% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2016 · 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

94 addiction (substance use disorder) counselor records list a practice address in Springfield

They are 94 of the 8,553 NPPES records with a practice address in Springfield, and 2,375 addiction (substance use disorder) counselor records in Massachusetts. 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. Carmen Batista-TorresSpringfield, MA 011031639666050
  2. Elizannite Davila Roman, LADCIISpringfield, MA 011031023787389
  3. Ericka Gonzalez Carrillo, M.A.Springfield, MA 011031710366976
  4. Maria Huertas, LADCSpringfield, MA 011031164889507
  5. Jannelis MedinaSpringfield, MA 011031730801283
  6. Lellys NazarioSpringfield, MA 011031295332294
  7. Gillian RosaSpringfield, MA 011031669194114
  8. Juan Santana, MASpringfield, MA 011031407282387

Common questions

What is Eugene Dennis Isaak's NPI number?

Eugene Dennis Isaak's National Provider Identifier (NPI) is 1619419462, issued on Nov 10, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Eugene Dennis Isaak located?

The NPPES record lists a practice address at 1607 Main St, Springfield, MA, 01103. Phone: (508) 361-1847. Providers update this record themselves, so call before visiting.

How can I verify Eugene Dennis Isaak's license?

Search the Massachusetts 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.