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Clinical Psychologist

Donna K. Nissman, PSY

Sees patients in Northport, NY · New York

Summary

Donna K. Nissman, PSY (Clinical Psychologist) is enrolled with Medicare at 1 practice location in Northport, NY. NPI 1174744049. Source: CMS National Downloadable File, updated 2026-10-02.

Call(631) 261‑3958 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Donna K. Nissman, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

1Practice location
Clinical PsychologistPrimary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
34Years since medical school (graduated 1992)
FemaleGender (as listed)

Quick answers

Where does Donna K. Nissman see patients?
Medicare's clinician data lists 1 practice location in Northport, NY. Call before your visit to confirm the address.
What is Donna K. Nissman's specialty?
Medicare lists Clinical Psychologist as the primary specialty.
Does Donna K. Nissman accept Medicare assignment?
Medicare's clinician data says Donna K. Nissman may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does Donna K. Nissman offer telehealth?
Medicare's clinician data says Donna K. Nissman offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Donna K. Nissman?
(631) 261-3958, as listed in official Medicare / NPI Registry data.
What is Donna K. Nissman's NPI number?
1174744049. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Donna K. Nissman is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other clinicians: Clinical Psychologist, New York →

Other clinical psychologists in Northport

Clinicians with the same Medicare primary specialty in Northport, NY — not a recommendation.

All clinical psychologists in Northport →

Clinician information

CredentialPSY
Graduation year1992
Gender (as listed)Female
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1174744049
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians