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MR. JEFFREY WILLIAM STAMBOOK MFT
NPI 1619008943
Marriage & Family Therapist in Klamath Falls, OR

Active since March 08, 2007PECOS EnrolledAccepts Medicare Assignment
2074 S 6TH ST, KLAMATH FALLS, OR 97601(541) 851-8110(541) 851-8114 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2026, Apr 20, 2026, Mar 12, 2026 (3 updates tracked since 2026).

About Mr. Jeffrey William Stambook Mft NPPES

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

MR. JEFFREY WILLIAM STAMBOOK MFT (NPI 1619008943) is an individual marriage & family therapist in Klamath Falls, Oregon, licensed in Oregon (T2065) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bakersfield, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1619008943
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMR. JEFFREY WILLIAM STAMBOOKCredential: MFT
Location Address2074 S 6TH STKlamath Falls, OR 97601-3372
Mailing Address2074 S 6th StKlamath Falls, OR 97601-3372 · (541) 841-8110 · Fax (541) 851-8114
Phone(541) 851-8110
Fax(541) 851-8114
Sole ProprietorYes
Medical School CMSOtherGraduated 2003
Enumeration DateMarch 8, 2007
Last NPPES UpdateJuly 21, 20263 updates tracked since enumeration
NPPES CertifiedJuly 21, 2026
✔ NPI 1619008943 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
Licenses✔ Licensed in OR · T2065✔ Licensed in CA · MFC43897
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.
2074 S 6TH ST, Klamath Falls, OR 97601
Open in Google Maps ↗

Secondary Practice Location 1

Location 1300 Jamaica WayBakersfield, CA 93309-2307 · Phone (661) 706-7285

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Cigna HealthCare of Arizona, Inc, Moda Health Plan, Inc. and more.Insurance ›

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

Mr. Jeffrey William Stambook Mft 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 ID8820589260
PECOS Enrollment IDI20251113004105
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 Jeffrey Stambook reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Klamath Health Partnership Inc
Same address
Federally Qualified Health Center (FQHC)
2074 SOUTH 6TH STREET
Klamath Falls, OR 97601
  • Reassigned Medicare billing, Oregon enrollment
  • 22 clinicians in this Medicare group
NPI 1538155825 (541) 851-8110

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.

NOAH FUNK PA-C
Physician Assistant
2074 S 6TH ST
KLAMATH FALLS, OR 97601
Klamath County (541) 851-8110
DR. AARON MICHAEL DAVIS DMD
Dentist
2074 S 6TH ST
KLAMATH FALLS, OR 97601
Klamath County (541) 880-2090
LAURA COBIAN
Licensed Practical Nurse
2074 S 6TH ST
KLAMATH FALLS, OR 97601
Klamath County (541) 885-2011
JEFFRY PHILLIP KOLBUS DNP, APRN, AGPCNP-BC
Nurse Practitioner (Primary Care)
2074 S 6TH ST
KLAMATH FALLS, OR 97601
Klamath County (541) 851-8110
TIFFANY NICOLE FREGOSO RN
Registered Nurse
2074 S 6TH ST
KLAMATH FALLS, OR 97601
Klamath County (541) 851-8110
KYLIE RYANN COLLOM PHARMD
Pharmacist
2074 S 6TH ST
KLAMATH FALLS, OR 97601
Klamath County (541) 851-8110
MRS. CHRISTINE GUERRA QMHA I
Case Manager/Care Coordinator
2074 S 6TH ST
KLAMATH FALLS, OR 97601
Klamath County (541) 851-8110
DR. NICHOLAS A SMITH DMD
Dentist
2074 S 6TH ST
KLAMATH FALLS, OR 97601
Klamath County (541) 880-2090

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 Jeffrey Stambook's NPI number?

The NPI number for Jeffrey Stambook is 1619008943. It was assigned to this individual provider in the NPPES registry on March 8, 2007.

Where is Jeffrey Stambook located?

Jeffrey Stambook practices at 2074 S 6th St, Klamath Falls, OR 97601. The listed phone number is (541) 851-8110.

What is Jeffrey Stambook's specialty?

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

Is Jeffrey Stambook enrolled in Medicare?

Yes. Jeffrey Stambook 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 Jeffrey Stambook's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Stambook reassigns Medicare benefits to Klamath Health Partnership Inc (Klamath Falls, OR). 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 Jeffrey Stambook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jeffrey Stambook accept?

Health plans from BridgeSpan Health Company, Cigna HealthCare of Arizona, Inc, Moda Health Plan, Inc. and Regence BlueCross BlueShield of Oregon list Jeffrey Stambook as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jeffrey Stambook was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.