Mathew Duffey
Marriage & Family Therapist · Yuba City, CA
Mathew Duffey is a marriage & family therapist with a practice address in Yuba City, California, and NPI 1003457151, issued on Sep 30, 2019. Check the license (California 156206, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mathew Duffey
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License number
- 156206 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1103 Butte House RD, Yuba City, CA 95991
- Phone
- (530) 913-7221
- Enumerated
- Sep 30, 2019
- Record last updated
- Jul 21, 2025
- Medicare enrollment
- Enrolled (PECOS I20250822004087); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest marriage & family therapist records → All 59,889 in California → Look up another NPI →
Also registered at 1103 Butte House RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leena BadranMental Health Counselor1841611795
- Margaret Cheng, DPTPhysical Therapist1346848181
- Ashley HenryClinical Social Worker1952110488
- Esbeydi Mendoza ValdespinoBehavior Technician1710699541
- Morgan Rosa-DinizClinical Social Worker1710463377
- Timmy TranPhysical Therapy Assistant1528980067
Verify Mathew Duffey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 156206Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mathew Duffey among 59,889 marriage & family therapist records in California
Mathew Duffey 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 not. Its NPI, issued in 2019, is newer than 66% of them.
- NPI issued2019 · 66% of these records are older, 29% newer
- In a Medicare fileNo · 4% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2019 · median 2013 among the 4,574 with a school on file
- Record last updated2025 · 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).
94 marriage & family therapist records list a practice address in Yuba City
They are 94 of the 1,726 NPPES records with a practice address in Yuba City, and 59,889 marriage & family therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 59,889 in California → Every provider in Yuba City → Marriage & Family Therapist nationwide →
The 8 marriage & family therapist records with the nearest ZIP codes
- Jessica Alcantar, M.A, MFTYuba City, CA 959911417058561
- Steven Bradley, 13762Yuba City, CA 959911932235215
- Donna Brown, LMFTYuba City, CA 959911902949910
- Genevieve Haley, MFTYuba City, CA 959911740315068
- Kristine HughesYuba City, CA 959911649311010
- Steven Kuester, M.S., MFTYuba City, CA 959911306989637
- Nancy Lee, MFTYuba City, CA 959911376686055
- Cynthia Oeser, MFTYuba City, CA 959911912056359
Common questions
What is Mathew Duffey's NPI number?
Mathew Duffey's National Provider Identifier (NPI) is 1003457151, issued on Sep 30, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Mathew Duffey located?
The NPPES record lists a practice address at 1103 Butte House RD, Yuba City, CA, 95991. Phone: (530) 913-7221. Providers update this record themselves, so call before visiting.
How can I verify Mathew Duffey's license?
NPPES lists California license number 156206, 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. 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.