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MS. PRIYA CLARKE SOWERBY
NPI 1679584965
Marriage & Family Therapist in Petaluma, CA

Active since August 11, 2006PECOS Enrolled
25 WESTERN AVE, PETALUMA, CA 94952(707) 526-8300(707) 776-0935 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ms. Priya Clarke Sowerby NPPES

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

MS. PRIYA CLARKE SOWERBY (NPI 1679584965) is an individual marriage & family therapist in Petaluma, California, licensed in California (MFC 38354) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1679584965
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMS. PRIYA CLARKE SOWERBY
Location Address25 WESTERN AVEPetaluma, CA 94952-2906
Mailing Address25 Western AvePetaluma, CA 94952-2906 · (707) 526-8300 · Fax (707) 776-0935
Phone(707) 526-8300
Fax(707) 776-0935
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateAugust 11, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1679584965 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 38354
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.
25 WESTERN AVE, Petaluma, CA 94952
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Other Names 1

Former Name (1)Erin Kathleen Clarke M.a., M.f.t.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Priya Clarke Sowerby is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1355645789
PECOS Enrollment IDI20240227004359
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 Reassignments

2

Medicare enrollment records show Priya Sowerby reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sondermind PC
83 mi
Clinical
6203 SAN IGNACIO AVE STE 110
San Jose, CA 95119
  • Reassigned Medicare billing, California enrollment
  • 81 clinicians in this Medicare group
NPI 1003646977 (844) 843-7279
Psych Strategies Inc A Psychological Corp
Psychologist
1160 N DUTTON AVE, SUITE 230
Santa Rosa, CA 95401
  • Reassigned Medicare billing, California enrollment
  • 33 clinicians in this Medicare group
NPI 1699775411 (707) 303-3201

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

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 Priya Sowerby's NPI number?

The NPI number for Priya Sowerby is 1679584965. It was assigned to this individual provider in the NPPES registry on August 11, 2006. The provider is also known as Erin Kathleen Clarke M.A., M.F.T..

Where is Priya Sowerby located?

Priya Sowerby practices at 25 Western Ave, Petaluma, CA 94952. The listed phone number is (707) 526-8300.

What is Priya Sowerby's specialty?

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

Is Priya Sowerby enrolled in Medicare?

Yes. Priya Sowerby is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Priya Sowerby's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Priya Sowerby reassigns Medicare benefits to 2 organizations: Sondermind PC (San Jose, CA) and Psych Strategies Inc A Psychological Corp (Santa Rosa, CA). Each 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 Priya Sowerby'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 Priya Sowerby was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.