1. Home
  2. Directory
  3. Wisconsin
  4. Milwaukee
  5. Psychologist
  6. NPI Profile

DR. CATHERINE CLAYTON LOOMIS PH.D.
NPI 1255477253
Psychologist - Clinical in Milwaukee, WI

Active since January 29, 2007PECOS EnrolledAccepts Medicare Assignment
2727 N MAYFAIR RD STE I, MILWAUKEE, WI 53222(414) 698-2654(262) 354-1575 Get Directions Write a Review

NPPES record last updated: December 3, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Catherine Clayton Loomis Ph.d. NPPES

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

DR. CATHERINE CLAYTON LOOMIS PH.D. (NPI 1255477253) is an individual clinical provider in Milwaukee, Wisconsin, licensed in Wisconsin (2083-057) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1996).

NPPES Registry Identity

NPI1255477253
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. CATHERINE CLAYTON LOOMISCredential: PH.D.
Location Address2727 N MAYFAIR RD STE IMilwaukee, WI 53222-4400
Mailing Address2727 N Mayfair Rd Ste IMilwaukee, WI 53222-4400 · (414) 698-2654 · Fax (262) 354-1575
Phone(414) 698-2654
Fax(262) 354-1575
Sole ProprietorYes
Medical School CMSOtherGraduated 1996
Enumeration DateJanuary 29, 2007
Last NPPES UpdateDecember 3, 2022
NPPES CertifiedDecember 3, 2022
✔ NPI 1255477253 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in WI · 2083-057
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
2727 N MAYFAIR RD STE I, Milwaukee, WI 53222
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Medica, Network Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Catherine Clayton Loomis Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4789577677
PECOS Enrollment IDI20090806000437
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
155 services26 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
25 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53222 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$163.24 typical visit price
range $53.90 – $163.24
Typical copayment $40.81 (range $13.47 – $40.81)
Most-billed visit code 99205
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALLIANCE ENT AND HEARING CENTER, SC
Otolaryngology
2727 N MAYFAIR RD STE I
WAUWATOSA, WI 53222
Milwaukee County (414) 727-0910
STEPHANIE KELLY DREW FNP-C
Nurse Practitioner (Family)
2727 N MAYFAIR RD STE I
WAUWATOSA, WI 53222
Milwaukee County (414) 727-0910
ANTHONY A RIEDER M.D.
Otolaryngology
2727 N MAYFAIR RD STE I
WAUWATOSA, WI 53222
Milwaukee County (414) 727-0910
MS. MALLORIE A BERGSTROM PA-C
Physician Assistant
2727 N MAYFAIR RD STE I
WAUWATOSA, WI 53222
Milwaukee County (414) 727-0910
MS. ELLEN MARIE KETTER PA-C
Physician Assistant
2727 N MAYFAIR RD STE I
WAUWATOSA, WI 53222
Milwaukee County (414) 727-0920

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 Catherine Loomis's NPI number?

The NPI number for Catherine Loomis is 1255477253. It was assigned to this individual provider in the NPPES registry on January 29, 2007.

Where is Catherine Loomis located?

Catherine Loomis practices at 2727 N Mayfair Rd Ste I, Milwaukee, WI 53222. The listed phone number is (414) 698-2654.

What is Catherine Loomis's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Catherine Loomis enrolled in Medicare?

Yes. Catherine Loomis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Catherine Loomis accept?

Health plans from Anthem Blue Cross and Blue Shield, Medica, Network Health, Providence Health Plan and Quartz and 1 other insurer list Catherine Loomis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Catherine Loomis was last updated on December 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.