Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Katherine Marie Muir, PHD

Individual provider Clinical Psychologist · NPI 1982802708

Dr. Katherine Marie Muir, PHD is a Clinical Psychologist in Patchogue, New York. Qualified in 1984, 42 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
42
Licensed in
NY
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

450 Waverly Ave Ste 11
Patchogue, NY 11772-1555
Phone: (631) 338-0671
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 008630-1 (NY)

Record details

NPI number1982802708
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 3, 2007
Last updated in NPPESNovember 17, 2020
Certification dateNovember 17, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Patchogue