DR. MARY JEAN HAYES PHD MFT
NPI 1144434200
Marriage & Family Therapist in Santa Rosa, CA

Q: What is Mary Hayes's NPI number?

The NPI number for Mary Hayes is 1144434200. It was assigned to this individual provider in the NPPES registry on May 9, 2007. The provider is also known as Jean Hayes.

Q: What is Mary Hayes's specialty?

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

Q: Is Mary Hayes enrolled in Medicare?

No. Mary Hayes has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Mary Hayes 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.

Active since May 09, 2007Opted out of Medicare · through Jan 1, 2028

1421 GUERNEVILLE ROAD, STE 114, SANTA ROSA, CA 95403(707) 542-8979(707) 542-8922 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Mary Jean Hayes Phd Mft NPPES

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

DR. MARY JEAN HAYES PHD MFT (NPI 1144434200) is an individual marriage & family therapist in Santa Rosa, California, licensed in California (5862) and active in the NPI registry since May 2007. She has opted out of Medicare through January 1, 2028.

NPPES Registry Identity

NPI1144434200

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameDR. MARY JEAN HAYESCredential: PHD MFT

Location Address1421 GUERNEVILLE ROAD, STE 114Santa Rosa, CA 95403

Mailing Address20 Bay Tree HollowNovato, CA 94945 · (415) 897-1348 · Fax (928) 833-1787

Phone(707) 542-8979

Fax(707) 542-8922

Sole ProprietorNo

Enumeration DateMay 9, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1144434200 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 · 5862

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.

1421 GUERNEVILLE ROAD, Santa Rosa, CA 95403

Open in Google Maps ↗

Other Names 1

Other Name (5)Jean Hayes

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Mary Jean Hayes Phd Mft has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2024 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2024

Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

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 Mary Hayes's NPI number?

The NPI number for Mary Hayes is 1144434200. It was assigned to this individual provider in the NPPES registry on May 9, 2007. The provider is also known as Jean Hayes.

Where is Mary Hayes located?

Mary Hayes practices at 1421 Guerneville Road Ste 114, Santa Rosa, CA 95403. The listed phone number is (707) 542-8979.

What is Mary Hayes's specialty?

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

Is Mary Hayes enrolled in Medicare?

No. Mary Hayes has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Mary Hayes 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.