Dr John R Williams, MD - Medicare Anesthesiology in Knoxville, TN

Dr John R Williams, MD is a medicare enrolled "Anesthesiology" physician in Knoxville, Tennessee. He went to Texas A & M University System, Hsc, College Of Medicine and graduated in 1989 and has 35 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Us Anesthesia Partners Of Colorado Inc and his current practice location is 2018 W Clinch Ave, Knoxville, Tennessee. You can reach out to his office (for appointments etc.) via phone at (865) 541-8000.

Dr John R Williams is licensed to practice in Colorado (license number DR.0031561) 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 1194752915.

Contact Information

Dr John R Williams, MD
2018 W Clinch Ave,
Knoxville, TN 37916-2301
(865) 541-8000
Not Available

Map and Direction




Physician's Profile

Full NameDr John R Williams
GenderMale
SpecialityAnesthesiology
Experience35 Years
Location2018 W Clinch Ave, Knoxville, Tennessee
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 John R Williams attended and graduated from Texas A & M University System, Hsc, College Of Medicine in 1989
  NPI Data:
  • NPI Number: 1194752915
  • Provider Enumeration Date: 06/27/2006
  • Last Update Date: 07/23/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 8729173638
  • Enrollment ID: I20140902000719

Medical Identifiers

Medical identifiers for Dr John R Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1194752915NPI-NPPES
3030975OtherTNBLUE CROSS
3897786MedicaidTN
64920598MedicaidKY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics MD25323 (Tennessee)Secondary
2080P0204XPediatrics - Pediatric Emergency Medicine MD25323 (Tennessee)Secondary
207L00000XAnesthesiology DR.0031561 (Colorado)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Centura Health-penrose St Francis Health ServicesColorado springs, COHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Us Anesthesia Partners Of Colorado Inc6002072055570

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 John R Williams allows following entities to bill medicare on his behalf.
Entity NameUs Anesthesia Partners Of Colorado Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922365782
PECOS PAC ID: 6002072055
Enrollment ID: O20120725000032

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 John R 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 John R Williams, MD
8000 E Maplewood Ave, Ste 200,
Greenwood Village, CO 80111-4727

Ph: () -
Dr John R Williams, MD
2018 W Clinch Ave,
Knoxville, TN 37916-2301

Ph: (865) 541-8000

Reviews and Comments


Anesthesiology Doctors in Knoxville, TN

Daniela Apostoaei, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 10820 Parkside Dr, Knoxville, TN 37934
Phone: 405-272-0361    
Dr. James Wike, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 501 20th St, Suite 606, Knoxville, TN 37916
Phone: 865-546-8040    Fax: 865-541-2787
Dr. Heather Dawn Phillips, DO
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 2018 W Clinch Ave, Knoxville, TN 37916
Phone: 865-541-8485    
Mark S Mumford, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 501 20th St, Knoxville, TN 37916
Phone: 865-546-8040    Fax: 865-541-2787
Dr. David G Adams, M.D
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 1924 Alcoa Hwy, Box U 109, Knoxville, TN 37920
Phone: 865-305-9220    
Dr. Pamela P Mobley, M.D.
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 1924 Alcoa Hwy, Box U109, Knoxville, TN 37920
Phone: 865-544-9220    
Dr. James R Langdon, M.D.
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 1924 Alcoa Hwy, Box U109, Knoxville, TN 37920
Phone: 865-544-9220    

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.