Dr Keith B Williams, MD - Medicare Internal Medicine in Medford, OR

Dr Keith B Williams, MD is a medicare enrolled "Internal Medicine" physician in Medford, Oregon. He went to University Of Utah School Of Medicine and graduated in 1983 and has 41 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Valley Immediate Care, Llc and his current practice location is 555 Black Oak Dr, Suite 100, Medford, Oregon. You can reach out to his office (for appointments etc.) via phone at (541) 734-3430.

Dr Keith B Williams is licensed to practice in Oregon (license number MD16928) 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 1447257563.

Contact Information

Dr Keith B Williams, MD
555 Black Oak Dr, Suite 100,
Medford, OR 97504-8447
(541) 734-3430
(541) 734-3638

Map and Direction




Physician's Profile

Full NameDr Keith B Williams
GenderMale
SpecialityInternal Medicine
Experience41 Years
Location555 Black Oak Dr, Medford, 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:
  • Dr Keith B Williams attended and graduated from University Of Utah School Of Medicine in 1983
  NPI Data:
  • NPI Number: 1447257563
  • Provider Enumeration Date: 07/05/2005
  • Last Update Date: 12/30/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 1052507050
  • Enrollment ID: I20101201001078

Medical Identifiers

Medical identifiers for Dr Keith B Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1447257563NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MD16928 (Oregon)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Asante Rogue Regional Medical CenterMedford, ORHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Valley Immediate Care, Llc761887672336

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. Dr Keith B Williams allows following entities to bill medicare on his behalf.
Entity NameValley Immediate Care, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1982709226
PECOS PAC ID: 7618876723
Enrollment ID: O20040107000951

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. Dr Keith B Williams 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
Dr Keith B Williams, MD
555 Black Oak Dr, Suite 100,
Medford, OR 97504-8447

Ph: (541) 734-3430
Dr Keith B Williams, MD
555 Black Oak Dr, Suite 100,
Medford, OR 97504-8447

Ph: (541) 734-3430

Reviews and Comments


Internal Medicine Doctors in Medford, OR

Helen Koenigsman, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1333 E Barnett Rd, Medford, OR 97504
Phone: 541-779-4711    
Dr. Todd S Kotler, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 520 Medical Center Drive, Ste 200, Medford, OR 97504
Phone: 541-282-6606    Fax: 541-282-6601
Dr. Mark G Moran, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 520 Medical Center Drive, Ste 200, Medford, OR 97504
Phone: 541-282-6606    Fax: 541-282-6601
Dr. June Symens, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 555 Black Oak Dr Ste 400, Medford, OR 97504
Phone: 541-821-6090    
Donald L Bowser, NP
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 520 Medical Center Dr, Suite 100, Medford, OR 97504
Phone: 541-789-5704    Fax: 541-789-5989
Samridhi Amba, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 827 Spring St, Medford, OR 97504
Phone: 541-732-7600    
Margaret Sara Fairhurst, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1698 E Mcandrews Rd Ste 400, Medford, OR 97504
Phone: 541-732-7960    

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.