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HEATHER SIEWELL MS
NPI 1811715030
Counselor - Mental Health in Medford, OR

Active since September 26, 2024
140 S HOLLY ST, MEDFORD, OR 97501(541) 774-3333 Get Directions Write a Review

NPPES record last updated: February 4, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 4, 2026, Sep 30, 2024, Sep 26, 2024 (3 updates tracked since 2024).

About Heather Siewell Ms NPPES

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

HEATHER SIEWELL MS (NPI 1811715030) is an individual mental health provider in Medford, Oregon, licensed in Oregon (R12633) and active in the NPI registry since September 2024.

NPPES Registry Identity

NPI1811715030
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameHEATHER SIEWELLCredential: MS
Location Address140 S HOLLY STMedford, OR 97501-3113
Mailing Address140 S Holly StMedford, OR 97501-3113
Phone(541) 774-3333
Sole ProprietorNo
Enumeration DateSeptember 26, 2024
Last NPPES UpdateFebruary 4, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 4, 2026
✔ NPI 1811715030 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in OR · R12633
140 S HOLLY ST, Medford, OR 97501
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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.

JENNIFER HARPER
Case Manager/Care Coordinator
140 S HOLLY ST
MEDFORD, OR 97501
Jackson County (541) 774-7862
AMBER JENSEN
Counselor (Mental Health)
140 S HOLLY ST
MEDFORD, OR 97501
Jackson County (541) 774-8200
MAUREEN MARTIN
Counselor (Mental Health)
140 S HOLLY ST
MEDFORD, OR 97501
Jackson County (541) 774-7902
MARIE POPPA
Case Manager/Care Coordinator
140 S HOLLY ST
MEDFORD, OR 97501
Jackson County (541) 774-7900
KATHLEEN MARIE CONNAIR-RAU PEER SUPPORT SPEC
Peer Specialist
140 S HOLLY ST
MEDFORD, OR 97501
Jackson County (541) 841-0484
ANTHONY KAHALY MSW, MPH
Counselor (Mental Health)
140 S HOLLY ST
MEDFORD, OR 97501
Jackson County (541) 774-8201
ALAINNA TOMLINSON
Peer Specialist
140 S HOLLY ST
MEDFORD, OR 97501
Jackson County (541) 774-8200
SHELBY S KUYKENDALL CRM
Peer Specialist
140 S HOLLY ST
MEDFORD, OR 97501
Jackson County (541) 774-8200

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 Heather Siewell's NPI number?

The NPI number for Heather Siewell is 1811715030. It was assigned to this individual provider in the NPPES registry on September 26, 2024.

Where is Heather Siewell located?

Heather Siewell practices at 140 S Holly St, Medford, OR 97501. The listed phone number is (541) 774-3333.

What is Heather Siewell's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Heather Siewell was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.