Lesley F Althouse, MD - Medicare Internal Medicine in Seattle, WA

Lesley F Althouse, MD is a medicare enrolled "Internal Medicine" physician in Seattle, Washington. Her current practice location is 1100 9th Ave, Seattle, Washington. You can reach out to her office (for appointments etc.) via phone at (206) 223-6600.

Lesley F Althouse is licensed to practice in Washington (license number MD00022976) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1669402608.

Contact Information

Lesley F Althouse, MD
1100 9th Ave,
Seattle, WA 98101-2756
(206) 223-6600
Not Available

Map and Direction




Physician's Profile

Full NameLesley F Althouse
GenderFemale
SpecialityInternal Medicine
Location1100 9th Ave, Seattle, Washington
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1669402608
  • Provider Enumeration Date: 07/04/2006
  • Last Update Date: 08/09/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 6002871738
  • Enrollment ID: I20041122001183

Medical Identifiers

Medical identifiers for Lesley F Althouse such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1669402608NPI-NPPES
0039581OtherWALABOR & INDUSTRY
US4119838OtherWAAETNA/USHC SPECIALIST
100006161OtherRAILROAD MEDICARE
1005255MedicaidWA
AL2662OtherWABLUE SHIELD
US0818811OtherWAAETNA/USHC PCP

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MD00022976 (Washington)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Lesley F Althouse allows following entities to bill medicare on her behalf.
Entity NameVirginia Mason Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801851258
PECOS PAC ID: 9830002617
Enrollment ID: O20031107000383

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Lesley F Althouse is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Lesley F Althouse, MD
1100 9th Ave, Ms M4-pa,
Seattle, WA 98101-2756

Ph: (206) 583-6025
Lesley F Althouse, MD
1100 9th Ave,
Seattle, WA 98101-2756

Ph: (206) 223-6600

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.