MS. LORIN LIN TIERNEY MFT
NPI 1023100583
Marriage & Family Therapist in Santa Rosa, CA

Q: What is Lorin Tierney's NPI number?

The NPI number for Lorin Tierney is 1023100583. It was assigned to this individual provider in the NPPES registry on September 29, 2006. The provider is also known as Ms. Lorin Lin Tierney Lmft.

Q: What is Lorin Tierney's specialty?

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

Q: Is Lorin Tierney enrolled in Medicare?

No. Lorin Tierney 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 Lorin Tierney was last updated on December 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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 September 29, 2006Opted out of Medicare · through Jan 1, 2028

1275 4TH ST # 5053, SANTA ROSA, CA 95404(707) 583-9388 Get Directions Write a Review

NPPES record last updated: December 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 10, 2025, Jan 18, 2022 (2 updates tracked since 2022).

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About Ms. Lorin Lin Tierney Mft NPPES

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

MS. LORIN LIN TIERNEY MFT (NPI 1023100583) is an individual marriage & family therapist in Santa Rosa, California, licensed in California (LMFT42571) and active in the NPI registry since September 2006. She has opted out of Medicare through January 1, 2028.

NPPES Registry Identity

NPI1023100583

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameMS. LORIN LIN TIERNEYCredential: MFT

Location Address1275 4TH ST # 5053Santa Rosa, CA 95404-4057

Mailing Address1275 4th St # 5053Santa Rosa, CA 95404-4057 · (916) 505-5053

Phone(707) 583-9388

Sole ProprietorYes

Enumeration DateSeptember 29, 2006

Last NPPES UpdateDecember 10, 20252 updates tracked since enumeration

NPPES CertifiedDecember 10, 2025

✔ NPI 1023100583 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 · LMFT42571

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.

1275 4TH ST # 5053, Santa Rosa, CA 95404

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Other Names 1

Professional Name (2)Ms. Lorin Lin Tierney Lmft

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Ms. Lorin Lin Tierney 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 Lorin Tierney's NPI number?

The NPI number for Lorin Tierney is 1023100583. It was assigned to this individual provider in the NPPES registry on September 29, 2006. The provider is also known as Ms. Lorin Lin Tierney Lmft.

Where is Lorin Tierney located?

Lorin Tierney practices at 1275 4th St # 5053, Santa Rosa, CA 95404. The listed phone number is (707) 583-9388.

What is Lorin Tierney's specialty?

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

Is Lorin Tierney enrolled in Medicare?

No. Lorin Tierney 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 Lorin Tierney was last updated on December 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.