Sarah Elizabeth Treusdell, LMFT
Marriage & Family Therapist · Lancaster, CA
Sarah Elizabeth Treusdell, LMFT is a marriage & family therapist with a practice address in Lancaster, California, and NPI 1083733380, issued on Mar 28, 2007. Check the license (California MFC53206, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Elizabeth Treusdell
- Credential
- LMFT
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License numbers
- MFC53206 CA
49182 CA
IMF 67972 CA
Self-reported in NPPES; status is on the state search - Practice location
- 44444 20TH St W, Lancaster, CA 93534
- Phone
- (661) 951-0070
- Enumerated
- Mar 28, 2007
- Record last updated
- Dec 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 00007301 CA
00007473 CA - Medicare enrollment
- Enrolled (PECOS I20240912001152); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest marriage & family therapist records → All 59,889 in California → Look up another NPI →
Also registered at 44444 20TH St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gabriela Acosta, 50463 LMFTMental Health Counselor1275652257
- Cynthia Adams, MFTMarriage & Family Therapist1104021385
- Edwin AguirreClinical Social Worker1265149306
- Gurpreet AhluwaliaMarriage & Family Therapist1720435084
- Janyne Brown, MS, LPCCProfessional Counselor1942709167
- Percy BrownMarriage & Family Therapist1427228600
Verify Sarah Elizabeth Treusdell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license MFC53206Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Elizabeth Treusdell among 59,889 marriage & family therapist records in California
Sarah Elizabeth Treusdell, LMFT is one of 59,889 marriage & family therapist records with a practice address in California. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 7% of them.
- NPI issued2007 · 7% of these records are older, 77% newer
- In a Medicare fileYes · 4% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2005 · median 2013 among the 4,574 with a school on file
- Record last updated2021 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 106H00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
331 marriage & family therapist records list a practice address in Lancaster
They are 331 of the 4,273 NPPES records with a practice address in Lancaster, and 59,889 marriage & family therapist records in California.
All 59,889 in California → Every provider in Lancaster → Marriage & Family Therapist nationwide →
The 8 marriage & family therapist records with the nearest ZIP codes
- Michele Brown, MA, LMFTLancaster, CA 935341295754737
- Alice Brown-BowlerLancaster, CA 935341912914748
- Teresa BurbachLancaster, CA 935341013043231
- Sandra Butcher, M.A., L.M.F.T.Lancaster, CA 935341679661532
- Azize Coskun, LMFTLancaster, CA 935341083745194
- Brian Dirrim, M.F.T.Lancaster, CA 935341720128382
- Steven Frank, M.F.T.Lancaster, CA 935341891725347
- Cassandra Hall, MS, MFTLancaster, CA 935341881725596
Common questions
What is Sarah Elizabeth Treusdell, LMFT's NPI number?
Sarah Elizabeth Treusdell, LMFT's National Provider Identifier (NPI) is 1083733380, issued on Mar 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Elizabeth Treusdell, LMFT located?
The NPPES record lists a practice address at 44444 20TH St W, Lancaster, CA, 93534. Phone: (661) 951-0070. Providers update this record themselves, so call before visiting.
How can I verify Sarah Elizabeth Treusdell, LMFT's license?
NPPES lists California license number MFC53206, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.