WILLIAM L RETTS PHD
NPI 1790730117
Psychologist - Clinical in Phoenix, AZ

Active since May 24, 2006PECOS EnrolledAccepts Medicare Assignment
11024 N 28TH DR #290, PHOENIX, AZ 85029(602) 870-7710(602) 734-0692 Get Directions Write a Review

NPPES record last updated: November 7, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William L Retts Phd NPPES

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

WILLIAM L RETTS PHD (NPI 1790730117) is an individual clinical provider in Phoenix, Arizona, licensed in Arizona (354) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1973).

NPPES Registry Identity

NPI1790730117
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameWILLIAM L RETTSCredential: PHD
Location Address11024 N 28TH DR #290Phoenix, AZ 85029-4373
Mailing Address11024 N 28th Dr #290Phoenix, AZ 85029-4373 · (602) 870-7710 · Fax (602) 734-0692
Fax(602) 734-0692
Sole ProprietorNo
Medical School CMSOtherGraduated 1973
Enumeration DateMay 24, 2006
Last NPPES UpdateNovember 7, 2007
NPI 1790730117 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 AZ · 354
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.
11024 N 28TH DR #290, Phoenix, AZ 85029

Other Identifiers 1

OtherAZ0130920AZ · Blue Cross Blue Shield

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

William L Retts Phd 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 ID8729006952
PECOS Enrollment IDI20051107000581
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

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, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
521 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85029 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
$168.60 typical visit price
range $55.44 – $168.60
Typical copayment $42.15 (range $13.86 – $42.15)
Most-billed visit code 99205
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

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 William Retts's NPI number?

The NPI number for William Retts is 1790730117. It was assigned to this individual provider in the NPPES registry on May 24, 2006.

Where is William Retts located?

William Retts practices at 11024 N 28th Dr #290, Phoenix, AZ 85029. The listed phone number is (602) 870-7710.

What is William Retts's specialty?

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

Is William Retts enrolled in Medicare?

Yes. William Retts 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.

When was this NPI record last updated?

The NPPES record for William Retts was last updated on November 7, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.