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WILLIAM PETERS
NPI 1033246822
Marriage & Family Therapist in Pasadena, CA

Active since February 27, 2007PECOS Enrolled
118 S OAK KNOLL AVE, PASADENA, CA 91101(626) 795-6907 Get Directions Write a Review

NPPES record last updated: January 3, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About William Peters NPPES

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

WILLIAM PETERS (NPI 1033246822) is an individual marriage & family therapist in Pasadena, California, licensed in California (MFC 41297) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033246822
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameWILLIAM PETERS
Location Address118 S OAK KNOLL AVEPasadena, CA 91101-2611
Mailing Address118 S Oak Knoll AvePasadena, CA 91101-2611
Phone(626) 795-6907
Sole ProprietorNo
Enumeration DateFebruary 27, 2007
Last NPPES UpdateJanuary 3, 2022
✔ NPI 1033246822 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · MFC 41297
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
118 S OAK KNOLL AVE, Pasadena, CA 91101
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Peters is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show William Peters reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
309 mi
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1073606299 (408) 851-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

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

MARGOT ESCUDERO ANDERSON
Social Worker (Clinical)
118 S OAK KNOLL AVE
PASADENA, CA 91101
Los Angeles County (626) 795-6907
KELLY RYDER
Marriage & Family Therapist
118 S OAK KNOLL AVE
PASADENA, CA 91101
Los Angeles County (626) 795-6907
MARIA MUNIZ
Rehabilitation Practitioner
118 S OAK KNOLL AVE
PASADENA, CA 91101
Los Angeles County (626) 795-6907
CHESTER ABBOTT M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
118 S OAK KNOLL AVE
PASADENA, CA 91101
Los Angeles County (626) 795-6907
MEREDITH TAYLOR
Psychologist (Clinical)
118 S OAK KNOLL AVE
PASADENA, CA 91101
Los Angeles County (626) 795-6907
DIANE MCGRATH
Marriage & Family Therapist
118 S OAK KNOLL AVE
PASADENA, CA 91101
Los Angeles County (626) 795-6907
GEORGINA OQUITA
Marriage & Family Therapist
118 S OAK KNOLL AVE
PASADENA, CA 91101
Los Angeles County (626) 795-6907
SUZETTE GUILLEN
Rehabilitation Practitioner
118 S OAK KNOLL AVE
PASADENA, CA 91101
Los Angeles County (626) 795-6907

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 Peters's NPI number?

The NPI number for William Peters is 1033246822. It was assigned to this individual provider in the NPPES registry on February 27, 2007.

Where is William Peters located?

William Peters practices at 118 S Oak Knoll Ave, Pasadena, CA 91101. The listed phone number is (626) 795-6907.

What is William Peters's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is William Peters enrolled in Medicare?

Yes. William Peters is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Peters's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Peters reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Peters's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for William Peters was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.