Timothy A Davidson, MD - Medicare Pulmonary Disease in Walla Walla, WA

Timothy A Davidson, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Walla Walla, Washington. He went to Oregon Health Sciences University School Of Medicine and graduated in 1992 and has 32 years of diverse experience with area of expertise as Pulmonary Disease. He is a member of the group practice Providence Health And Services - Washington and his current practice location is 401 W Poplar, Walla Walla, Washington. You can reach out to his office (for appointments etc.) via phone at (509) 522-5940.

Timothy A Davidson is licensed to practice in Washington (license number MD00032527) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1124032511.

Contact Information

Timothy A Davidson, MD
401 W Poplar,
Walla Walla, WA 99362
(509) 522-5940
(509) 522-5744

Map and Direction




Physician's Profile

Full NameTimothy A Davidson
GenderMale
SpecialityPulmonary Disease
Experience32 Years
Location401 W Poplar, Walla Walla, Washington
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Timothy A Davidson attended and graduated from Oregon Health Sciences University School Of Medicine in 1992
  NPI Data:
  • NPI Number: 1124032511
  • Provider Enumeration Date: 07/28/2006
  • Last Update Date: 05/10/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8628070463
  • Enrollment ID: I20070208000173

Medical Identifiers

Medical identifiers for Timothy A Davidson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1124032511NPI-NPPES
210897MedicaidOR
1124032511MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0200XInternal Medicine - Critical Care Medicine MD00032527 (Washington)Secondary
207RP1001XInternal Medicine - Pulmonary Disease MD00032527 (Washington)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence St Mary Medical CenterWalla walla, WAHospital
Wallowa Memorial HospitalEnterprise, ORHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Providence Health And Services - Washington2860552973217

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. Timothy A Davidson allows following entities to bill medicare on his behalf.
Entity NameProvidence Health & Services - Washington
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922259738
PECOS PAC ID: 2860552973
Enrollment ID: O20081223000478

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. Timothy A Davidson 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
Timothy A Davidson, MD
Po Box 34439,
Seattle, WA 98124-1439

Ph: () -
Timothy A Davidson, MD
401 W Poplar,
Walla Walla, WA 99362

Ph: (509) 522-5940

Reviews and Comments


Internal Medicine Doctors in Walla Walla, WA

Dr. Galen S Mcquarrie, M. D.
Pulmonary Disease
Medicare: Not Enrolled in Medicare
Practice Location: 77 Wainwright Dr, Walla Walla, WA 99362
Phone: 509-525-5200    
Dr. Delwyn Richard Baker, MD
Pulmonary Disease
Medicare: Medicare Enrolled
Practice Location: 77 Wainwright Drive, Walla Walla, WA 99362
Phone: 509-525-5200    
Alonso Dario Pezo Salazar, M.D.
Pulmonary Disease
Medicare: Medicare Enrolled
Practice Location: 1313 N 13th Ave, Walla Walla, WA 99362
Phone: 509-525-3610    
Lori Alborn Brown, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 380 Chase St, Walla Walla, WA 99362
Phone: 509-525-8110    Fax: 509-522-5743
Mrs. Cynthia Lynn Rasch, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 401 W Poplar St, Psmpg Hospitalists, Walla Walla, WA 99362
Phone: 509-525-3320    Fax: 509-522-5184
Dr. Philip L Hooper, MD
Pulmonary Disease
Medicare: Not Enrolled in Medicare
Practice Location: 55 West Tietan, Walla Walla, WA 99362
Phone: 509-525-3720    Fax: 509-522-1593

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.