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MRS. SARAH ELIZABETH TREUSDELL LMFT
NPI 1083733380
Marriage & Family Therapist in Lancaster, CA

Active since March 28, 2007PECOS EnrolledAccepts Medicare Assignment
44444 20TH ST W, LANCASTER, CA 93534(661) 951-0070 Get Directions Write a Review

NPPES record last updated: December 7, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 7, 2021, Jun 14, 2017 (2 updates tracked since 2017).

About Mrs. Sarah Elizabeth Treusdell Lmft NPPES

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

MRS. SARAH ELIZABETH TREUSDELL LMFT (NPI 1083733380) is an individual marriage & family therapist in Lancaster, California, licensed in California (MFC53206) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1083733380
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMRS. SARAH ELIZABETH TREUSDELLCredential: LMFT
Location Address44444 20TH ST WLancaster, CA 93534-2714
Mailing Address44444 20th St WLancaster, CA 93534 · (661) 951-0070
Phone(661) 951-0070
Sole ProprietorYes
Medical School CMSOtherGraduated 2005
Enumeration DateMarch 28, 2007
Last NPPES UpdateDecember 7, 20212 updates tracked since enumeration
NPPES CertifiedDecember 7, 2021
✔ NPI 1083733380 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · MFC53206
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.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License IMF 67972 (CA), 49182 (CA)
44444 20TH ST W, Lancaster, CA 93534
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Other Identifiers 3

OtherCBSC456CA · La Dmh Provider
Medicaid00007301CA
Medicaid00007473CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Sarah Elizabeth Treusdell Lmft is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4385184787
PECOS Enrollment IDI20240912001152
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 Sarah Treusdell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
1.9 mi
Health Maintenance Organization
43112 N 15TH ST
Lancaster, CA 93534
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1982863783 (661) 726-2279

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.

ELIZABETH PARK
Marriage & Family Therapist
44444 20TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 951-0070
CYNTHIA J ADAMS MFT
Marriage & Family Therapist
44444 20TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 951-0070
MR. RICARDO ANTONIO XUYA BAUTISTA
Marriage & Family Therapist
44444 20TH ST W
LANCASTER, CA 93534
Los Angeles County (833) 574-2273
MS. TERRI LYNN GONZALES LMFT
Marriage & Family Therapist
44444 20TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 951-0070
JACQULYN RENEE ZACHARIE
Social Worker (Clinical)
44444 20TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 951-0070
MR. EDWIN AGUIRRE
Social Worker (Clinical)
44444 20TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 951-0070
GABRIELA ACOSTA 50463 LMFT
Counselor (Mental Health)
44444 20TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 951-0070
MR. MUNASSI KHUSHI MASIH P.T
Physical Therapist
44444 20TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 951-0090

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 Sarah Treusdell's NPI number?

The NPI number for Sarah Treusdell is 1083733380. It was assigned to this individual provider in the NPPES registry on March 28, 2007.

Where is Sarah Treusdell located?

Sarah Treusdell practices at 44444 20th St W, Lancaster, CA 93534. The listed phone number is (661) 951-0070.

What is Sarah Treusdell's specialty?

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

Is Sarah Treusdell enrolled in Medicare?

Yes. Sarah Treusdell is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Sarah Treusdell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Treusdell reassigns Medicare benefits to Southern California Permanente Medical Group (Lancaster, 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 Sarah Treusdell'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 Sarah Treusdell was last updated on December 7, 2021. 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.