Thomas B Knowles, MD - Medicare General Surgery in Portland, OR

Thomas B Knowles, MD is a medicare enrolled "Surgery" physician in Portland, Oregon. He went to Creighton University School Of Medicine and graduated in 2014 and has 10 years of diverse experience with area of expertise as General Surgery. He is a member of the group practice Legacy Clinics Llc and his current practice location is 1130 Nw 22nd Ave Ste 500, Portland, Oregon. You can reach out to his office (for appointments etc.) via phone at (503) 413-5725.

Thomas B Knowles is licensed to practice in Washington (license number MD60946286) 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 1114337466.

Contact Information

Thomas B Knowles, MD
1130 Nw 22nd Ave Ste 500,
Portland, OR 97210-2976
(503) 413-5725
Not Available

Map and Direction




Physician's Profile

Full NameThomas B Knowles
GenderMale
SpecialityGeneral Surgery
Experience10 Years
Location1130 Nw 22nd Ave Ste 500, Portland, Oregon
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:
  • Thomas B Knowles attended and graduated from Creighton University School Of Medicine in 2014
  NPI Data:
  • NPI Number: 1114337466
  • Provider Enumeration Date: 05/07/2014
  • Last Update Date: 08/27/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 3678790425
  • Enrollment ID: I20200706002661

Medical Identifiers

Medical identifiers for Thomas B Knowles such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114337466NPI-NPPES
1114337466MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery MD198666 (Oregon)Secondary
208600000XSurgery MD60946286 (Washington)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Legacy Good Samaritan Medical CenterPortland, ORHospital
Legacy Salmon Creek Medical CenterVancouver, WAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Legacy Clinics Llc0244144004603

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. Thomas B Knowles allows following entities to bill medicare on his behalf.
Entity NameLegacy Clinics Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902827272
PECOS PAC ID: 0244144004
Enrollment ID: O20031117000089

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. Thomas B Knowles 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
Thomas B Knowles, MD
1130 Nw 22nd Ave Ste 500,
Portland, OR 97210-2976

Ph: (503) 413-5725
Thomas B Knowles, MD
1130 Nw 22nd Ave Ste 500,
Portland, OR 97210-2976

Ph: (503) 413-5725

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.