Doctor profile · Federal record

Dr. Katherine Muir, PH.D

Clinical Psychologist · Patchogue, NY

  • NPI 1982802708
  • Accepts Medicare
  • 42 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
450 Waverly Ave Ste 11
Patchogue, NY 117721555
(631) 338-0671
Mailing address
4 Oakhurst RD
Hampton Bays, NY 119461555

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
November 17, 2020
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
New York #008630-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982802708. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
150
Distinct HCPCS
1
Medicare allowed
$23,932
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 150 11 $160

In context: peer comparison

Among 1 peers in Patchogue Clinical Psychologist, average services per provider: 150. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Muir's medical specialty?
Dr. Katherine Muir practices Clinical Psychologist in Patchogue, NY.
Where does Dr. Katherine Muir practice?
Dr. Katherine Muir practices at 450 Waverly Ave Ste 11, Patchogue, NY 117721555. Office phone: 6313380671.
What is Dr. Katherine Muir's NPI?
Dr. Katherine Muir's National Provider Identifier (NPI) is 1982802708, issued by NPPES.
Does Dr. Katherine Muir accept Medicare assignment?
Yes. Dr. Katherine Muir accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Muir commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.