FRANK A STACKHOUSE MD
NPI 1164551255
Internal Medicine in Seattle, WA

Active since March 05, 2007PECOS Enrolled
325 9TH AVE, SEATTLE, WA 98104(206) 744-3000 Get Directions Write a Review

NPPES record last updated: January 5, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Frank A Stackhouse Md NPPES

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

FRANK A STACKHOUSE MD (NPI 1164551255) is an individual internal medicine provider in Seattle, Washington, licensed in Washington (MD00031288) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164551255
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameFRANK A STACKHOUSECredential: MD
Location Address325 9TH AVESeattle, WA 98104-2499
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 543-6420
Sole ProprietorNo
Enumeration DateMarch 5, 2007
Last NPPES UpdateJanuary 5, 2012
✔ NPI 1164551255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WA · MD00031288
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
325 9TH AVE, Seattle, WA 98104

Other Identifiers 4

Medicare ID-Type Unspecified000108141WA · Uw Physicians
Medicare PINAB24941WA
Medicaid8155277WA
Medicare UPINE49481WA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Frank A Stackhouse Md 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.

Medicare Billing Reassignments

3

Medicare enrollment records show Frank Stackhouse reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
33 NICHOLS PKWY
Hood River, OR 97031
  • Reassigned Medicare billing, Oregon enrollment
  • 195 clinicians in this Medicare group
Clinic/Center
DOWNTOWN MANDERSON
Manderson, SD 57756
  • Reassigned Medicare billing, Texas enrollment
  • 426 clinicians in this Medicare group
Federally Qualified Health Center (FQHC)
2864 ASHMUN ST
Sault Sainte Marie, MI 49783
  • Reassigned Medicare billing, Michigan enrollment
  • 15 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Practitioner (Acute Care)
325 9TH AVE
SEATTLE, WA 98104
Physical Therapist
325 9TH AVE, BOX 359920
SEATTLE, WA 98104
Pharmacist
325 9TH AVE, MAILSTOP 359912
SEATTLE, WA 98104
Social Worker (Clinical)
325 9TH AVE, BOX 359760
SEATTLE, WA 98104
Physician Assistant (Medical)
325 9TH AVE
SEATTLE, WA 98104
Physical Therapist
325 9TH AVE
SEATTLE, WA 98104
Internal Medicine (Infectious Disease)
325 9TH AVE
SEATTLE, WA 98104
Occupational Therapist
325 9TH AVE
SEATTLE, WA 98104

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 Frank Stackhouse's NPI number?

The NPI number for Frank Stackhouse is 1164551255. It was assigned to this individual provider in the NPPES registry on March 5, 2007.

Where is Frank Stackhouse located?

Frank Stackhouse practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 744-3000.

What is Frank Stackhouse's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Frank Stackhouse enrolled in Medicare?

Yes. Frank Stackhouse is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Frank Stackhouse's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Frank Stackhouse reassigns Medicare benefits to 3 organizations: Mid-Columbia Medical Center (Hood River, OR), Pine Ridge Indian Health Service Hospital (Manderson, SD) and Sault Tribe Of Chippewa Indians (Sault Sainte Marie, MI). Each 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 Frank Stackhouse's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Frank Stackhouse accept?

Health plans from Providence Health Plan list Frank Stackhouse 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 Frank Stackhouse was last updated on January 5, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.