THOMAS W MALPASS MD
NPI 1851309942
Internal Medicine - Hematology & Oncology in Seattle, WA

Q: What is Thomas Malpass's NPI number?

The NPI number for Thomas Malpass is 1851309942. It was assigned to this individual provider in the NPPES registry on August 4, 2006.

Q: What is Thomas Malpass's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Malpass was last updated on April 8, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since August 04, 2006PECOS Enrolled

1100 9TH AVE, SEATTLE, WA 98101(206) 223-6600 Get Directions Write a Review

NPPES record last updated: April 8, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Thomas W Malpass Md NPPES

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

THOMAS W MALPASS MD (NPI 1851309942) is an individual hematology & oncology provider in Seattle, Washington, licensed in Washington (MD00016934) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851309942

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameTHOMAS W MALPASSCredential: MD

Location Address1100 9TH AVESeattle, WA 98101-2756

Mailing Address1100 Olive Way Msc M4-paSeattle, WA 98101-1873

Phone(206) 223-6600

Sole ProprietorNo

Enumeration DateAugust 4, 2006

Last NPPES UpdateApril 8, 2008

✔ NPI 1851309942 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in WA · MD00016934

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

1100 9TH AVE, Seattle, WA 98101

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Other Identifiers 9

Other5907MAWA · Blue Shield

Medicare UPINA07570

OtherMD4669WWA · Alaska Medicaid

Medicaid8345506WA

Medicare PINAB17956WA

OtherUS2338012WA · Aetna/ushc Specialist

Other0039582WA · Labor & Industry

Medicare PIN8801527WA

Medicare PIN8801595WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thomas W Malpass 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 Reassignment

Medicare enrollment records show Thomas Malpass reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Association Of University Physicians

0.4 mi

Anesthesiology

701 5TH AVE, SUITE 700
Seattle, WA 98104

Reassigned Medicare billing, Washington enrollment
4,364 clinicians in this Medicare group

NPI 1023041159 (206) 543-6420

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

94 services60 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

31 services31 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

21 services18 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

20 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98101 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

$189.37 typical visit price

range $63.67 – $189.37

Typical copayment $47.34 (range $15.91 – $47.34)

Most-billed visit code 99205

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.

JACLYN ANN SUBKOVIAK OT

Occupational Therapist

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 341-0461

MARCIE G HUME PHARM.D.

Pharmacist

1100 9TH AVE, MS C3-PO
SEATTLE, WA 98101

King County (206) 223-6877

DR. VINAY GUPTA MD

Internal Medicine (Critical Care Medicine)

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6980

MARY JO BUKOVIC CCP

Contractor

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

PEGAH SAFAEIAN D.O.

Physical Medicine & Rehabilitation

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

MRS. GENEVIEVE HOUDET-COTE SLP

Speech-Language Pathologist

1100 9TH AVE, MS:H4-PMR
SEATTLE, WA 98101

King County (206) 341-0461

ROBERT DALE MCCLURE MD

Surgery

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

VIRGINIA MASON MEDICAL CENTER

Internal Medicine (Gastroenterology)

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

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 Thomas Malpass's NPI number?

The NPI number for Thomas Malpass is 1851309942. It was assigned to this individual provider in the NPPES registry on August 4, 2006.

Where is Thomas Malpass located?

Thomas Malpass practices at 1100 9th Ave, Seattle, WA 98101. The listed phone number is (206) 223-6600.

What is Thomas Malpass's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Thomas Malpass enrolled in Medicare?

Yes. Thomas Malpass is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Thomas Malpass's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Malpass reassigns Medicare benefits to The Association Of University Physicians (Seattle, WA). 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 Thomas Malpass's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Malpass accept?

Health plans from Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Thomas Malpass 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 Thomas Malpass was last updated on April 8, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.