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MS. DENISE CAROLYN WILLIAMSON I LMFT
NPI 1760515019
Marriage & Family Therapist in San Luis Obispo, CA

Active since March 14, 2007Opted out of Medicare · through Mar 14, 2028
1411 MARSH ST, S-108, SAN LUIS OBISPO, CA 93401(805) 245-2012 Get Directions Write a Review

NPPES record last updated: December 3, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Denise Carolyn Williamson I Lmft NPPES

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

MS. DENISE CAROLYN WILLIAMSON I LMFT (NPI 1760515019) is an individual marriage & family therapist in San Luis Obispo, California, licensed in California (82446) and active in the NPI registry since March 2007. She has opted out of Medicare through March 14, 2028.

NPPES Registry Identity

NPI1760515019
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMS. DENISE CAROLYN WILLIAMSON ICredential: LMFT
Location Address1411 MARSH ST, S-108San Luis Obispo, CA 93401-2957
Mailing AddressPo Box 35Pismo Beach, CA 93448-0035 · (805) 245-2012
Phone(805) 245-2012
Sole ProprietorNo
Enumeration DateMarch 14, 2007
Last NPPES UpdateDecember 3, 2014
✔ NPI 1760515019 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 · 82446
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.
1411 MARSH ST, San Luis Obispo, CA 93401
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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. Denise Carolyn Williamson I Lmft 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 March 14, 2024 through March 14, 2028.

Opt-Out Effective DateMarch 14, 2024
Opt-Out In Effect ThroughMarch 14, 2028Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 10

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

DR. TAYLOR FOSTER SMITH PHD
Psychologist (Clinical Child & Adolescent)
1411 MARSH ST, SUITE 106
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 242-6462
ANJA B.C. CHRISTIE-JOHNSON LMFT
Marriage & Family Therapist
1411 MARSH ST, STE 103
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 548-8931
WELLMIND
Clinic/Center (Adult Mental Health)
1411 MARSH ST, SUITE 108
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 459-8232
KAI LILLIE LMFT 137200
Marriage & Family Therapist
1411 MARSH ST
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (415) 942-0999
DR. ALLEN DORAN M.D.
Psychiatry & Neurology (Psychiatry)
1411 MARSH ST, SUITE 108
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 471-0755
CINDY ANN STRICKLEN M.S., MFTI
Marriage & Family Therapist
1411 MARSH ST, SUITE 105
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 543-5060
ABLE THERAPY SERVICES
Specialist
1411 MARSH ST, SUITE 107
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 782-9300
DR. JEANNE DIANE STERLING PH.D.
Psychologist (Clinical)
1411 MARSH ST, SUITE 104
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 547-1054

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 Denise Williamson's NPI number?

The NPI number for Denise Williamson is 1760515019. It was assigned to this individual provider in the NPPES registry on March 14, 2007.

Where is Denise Williamson located?

Denise Williamson practices at 1411 Marsh St S-108, San Luis Obispo, CA 93401. The listed phone number is (805) 245-2012.

What is Denise Williamson's specialty?

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

Is Denise Williamson enrolled in Medicare?

No. Denise Williamson has opted out of Medicare through March 14, 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 Denise Williamson was last updated on December 3, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.