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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. RONALD C FEIN LCSW
NPI 1497725956
Counselor - Mental Health in Port Jefferson, NY

Active since January 25, 2006
19 WATERVIEW DR, PORT JEFFERSON, NY 11777(631) 331-9794 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Ronald C Fein Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. RONALD C FEIN LCSW (NPI 1497725956) is an individual mental health provider in Port Jefferson, New York, licensed in New York (R012616) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1497725956
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMR. RONALD C FEINCredential: LCSW
Location Address19 WATERVIEW DRPort Jefferson, NY 11777-1169
Mailing Address19 Waterview DrPort Jefferson, NY 11777-1169 · (631) 331-9794
Phone(631) 331-9794
Sole ProprietorNo
Enumeration DateJanuary 25, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1497725956 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in NY · R012616
19 WATERVIEW DR, Port Jefferson, NY 11777
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Other Identifiers 1

Medicaid02492657NY

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald Fein's NPI number?

The NPI number for Ronald Fein is 1497725956. It was assigned to this individual provider in the NPPES registry on January 25, 2006.

Where is Ronald Fein located?

Ronald Fein practices at 19 Waterview Dr, Port Jefferson, NY 11777. The listed phone number is (631) 331-9794.

What is Ronald Fein's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Ronald Fein was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.