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LESLEY F ALTHOUSE MD
NPI 1669402608
Internal Medicine in Seattle, WA

Active since July 04, 2006PECOS Enrolled
1100 9TH AVE, SEATTLE, WA 98101(206) 223-6600 Get Directions Write a Review

NPPES record last updated: August 9, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Lesley F Althouse Md NPPES

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

LESLEY F ALTHOUSE MD (NPI 1669402608) is an individual internal medicine provider in Seattle, Washington, licensed in Washington (MD00022976) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669402608
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameLESLEY F ALTHOUSECredential: MD
Location Address1100 9TH AVESeattle, WA 98101-2756
Mailing Address1100 9th Ave, Ms M4-paSeattle, WA 98101-2756 · (206) 583-6025 · Fax (206) 515-5886
Phone(206) 223-6600
Sole ProprietorNo
Enumeration DateJuly 4, 2006
Last NPPES UpdateAugust 9, 2011
✔ NPI 1669402608 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 · MD00022976
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.
1100 9TH AVE, Seattle, WA 98101
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Other Identifiers 10

OtherUS0818811WA · Aetna/ushc Pcp
Medicare PIN000181710WA
OtherUS4119838WA · Aetna/ushc Specialist
Medicare PIN8901221WA
OtherAL2662WA · Blue Shield
Medicare PIN8809215WA
Other100006161Railroad Medicare
Other0039581WA · Labor & Industry
Medicare UPINA06005
Medicaid1005255WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lesley F Althouse 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.

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
$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.

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 Lesley Althouse's NPI number?

The NPI number for Lesley Althouse is 1669402608. It was assigned to this individual provider in the NPPES registry on July 4, 2006.

Where is Lesley Althouse located?

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

What is Lesley Althouse's specialty?

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

Is Lesley Althouse enrolled in Medicare?

Yes. Lesley Althouse is registered in the Medicare PECOS enrollment system.

What insurance does Lesley Althouse accept?

Health plans from PacificSource Health Plans list Lesley Althouse 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 Lesley Althouse was last updated on August 9, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.