THERESE N MASTIN M.A., QMHP
NPI 1003059296
Counselor - Professional in Cottage Grove, OR

Active since April 17, 2009PECOS Enrolled
1345 BIRCH AVE, COTTAGE GROVE, OR 97424(541) 942-3939(541) 942-9310 Get Directions Write a Review

NPPES record last updated: June 10, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2022, Sep 1, 2017 (2 updates tracked since 2017).

About Therese N Mastin M.a., Qmhp NPPES

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

THERESE N MASTIN M.A., QMHP (NPI 1003059296) is an individual professional provider in Cottage Grove, Oregon, licensed in Oregon (C8458) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003059296
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameTHERESE N MASTINCredential: M.A., QMHP
Location Address1345 BIRCH AVECottage Grove, OR 97424-1416
Mailing Address410 N 9th St, Po Box 5Cottage Grove, OR 97424-1307 · (541) 942-2850 · Fax (541) 942-1574
Fax(541) 942-9310
Sole ProprietorNo
Enumeration DateApril 17, 2009
Last NPPES UpdateJune 10, 20262 updates tracked since enumeration
NPPES CertifiedJune 10, 2026
NPI 1003059296 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License Licensed in OR · C8458
1345 BIRCH AVE, Cottage Grove, OR 97424

Other Identifiers 1

Medicaid019047OR

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Therese N Mastin M.a., Qmhp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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.

Counselor (Mental Health)
1345 BIRCH AVE
COTTAGE GROVE, OR 97424
Counselor (Mental Health)
1345 BIRCH AVE
COTTAGE GROVE, OR 97424
Counselor (Mental Health)
1345 BIRCH AVE
COTTAGE GROVE, OR 97424
Counselor
1345 BIRCH AVE
COTTAGE GROVE, OR 97424
Nurse Practitioner (Psychiatric/Mental Health)
1345 BIRCH AVE
COTTAGE GROVE, OR 97424
Counselor (Mental Health)
1345 BIRCH AVE
COTTAGE GROVE, OR 97424
Counselor (Mental Health)
1345 BIRCH AVE
COTTAGE GROVE, OR 97424
Counselor (Mental Health)
1345 BIRCH AVE
COTTAGE GROVE, OR 97424

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 Therese Mastin's NPI number?

The NPI number for Therese Mastin is 1003059296. It was assigned to this individual provider in the NPPES registry on April 17, 2009.

Where is Therese Mastin located?

Therese Mastin practices at 1345 Birch Ave, Cottage Grove, OR 97424. The listed phone number is (541) 942-3939.

What is Therese Mastin's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Therese Mastin enrolled in Medicare?

Yes. Therese Mastin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Therese Mastin was last updated on June 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.