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

Dr. Catherine Clayton Loomis, PHD

Individual provider Clinical Psychologist · NPI 1255477253

Dr. Catherine Clayton Loomis, PHD is a Clinical Psychologist in Milwaukee, Wisconsin. Qualified in 1996, 30 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Wisconsin.

Years since qualifying
30
Licensed in
WI
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

2727 N Mayfair Rd Ste I
Milwaukee, WI 53222-4400
Phone: (414) 698-2654
Fax: (262) 354-1575
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 2083-057 (WI)

Record details

NPI number1255477253
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 29, 2007
Last updated in NPPESDecember 3, 2022
Certification dateDecember 3, 2022

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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