Mark Anthony Williams, MD, PHD - Medicare Otolaryngology in Sioux Falls, SD

Mark Anthony Williams, MD, PHD is a medicare enrolled "Otolaryngology" physician in Sioux Falls, South Dakota. He went to Cincinnati College Of Medicine And Surgery and graduated in 2002 and has 22 years of diverse experience with area of expertise as Otolaryngology. He is a member of the group practice Ear Nose And Throat Specialists Of Nashville Plc and his current practice location is 1310 W 22nd St, Sioux Falls, South Dakota. You can reach out to his office (for appointments etc.) via phone at (605) 328-8200.

Mark Anthony Williams is licensed to practice in Tennessee (license number 42482) 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 1972722288.

Contact Information

Mark Anthony Williams, MD, PHD
1310 W 22nd St,
Sioux Falls, SD 57105-1501
(605) 328-8200
Not Available

Map and Direction




Physician's Profile

Full NameMark Anthony Williams
GenderMale
SpecialityOtolaryngology
Experience22 Years
Location1310 W 22nd St, Sioux Falls, South Dakota
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:
  • Mark Anthony Williams attended and graduated from Cincinnati College Of Medicine And Surgery in 2002
  NPI Data:
  • NPI Number: 1972722288
  • Provider Enumeration Date: 04/25/2007
  • Last Update Date: 07/25/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 8820183247
  • Enrollment ID: I20071001000357

Medical Identifiers

Medical identifiers for Mark Anthony Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972722288NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Y00000XOtolaryngology 42482 (Tennessee)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Tristar Southern Hills Medical CenterNashville, TNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ear Nose And Throat Specialists Of Nashville Plc56988606823

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. Mark Anthony Williams allows following entities to bill medicare on his behalf.
Entity NameEar Nose & Throat Specialists Of Nashville Plc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1730388117
PECOS PAC ID: 5698860682
Enrollment ID: O20071005000337

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. Mark Anthony 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
Mark Anthony Williams, MD, PHD
Po Box 5074,
Sioux Falls, SD 57117-5074

Ph: (615) 832-2200
Mark Anthony Williams, MD, PHD
1310 W 22nd St,
Sioux Falls, SD 57105-1501

Ph: (605) 328-8200

Reviews and Comments


Otolaryngology Doctors in Sioux Falls, SD

Sean Johnson,
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 1310 W 22nd St, Sioux Falls, SD 57105
Phone: 605-328-8200    
Mark James Jameson, MD PHD
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 1417 S Cliff Ave Ste 300, Sioux Falls, SD 57105
Phone: 605-504-3000    Fax: 605-504-3001
Jaishree Palanisamy Lerew, D.O.
Otolaryngology
Medicare: Medicare Enrolled
Practice Location: 1310 W 22nd St, Sioux Falls, SD 57105
Phone: 605-328-8200    
Dr. Micah Marshall Likness, M.D.
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 2315 W 57th St, Sioux Falls, SD 57108
Phone: 605-336-3503    Fax: 605-665-0076
Kristen Leigh Seligman Coffroth, MD
Otolaryngology
Medicare: Medicare Enrolled
Practice Location: 1417 S Cliff Ave Ste 300, Sioux Falls, SD 57105
Phone: 605-504-3000    
William H. Avery, DO
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 1310 W 22nd St, Sioux Falls, SD 57105
Phone: 605-328-8200    Fax: 605-328-8201
Dr. Craig Phillip Hedges, MD
Otolaryngology
Medicare: Not Enrolled in Medicare
Practice Location: 2315 W 57th St, Sioux Falls, SD 57108
Phone: 605-336-3503    Fax: 605-336-6010

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.