Dr Keung Ung, MD - Medicare Thoracic Surgery in Sioux Falls, SD

Dr Keung Ung, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Sioux Falls, South Dakota. He went to Wayne State University School Of Medicine and graduated in 2000 and has 24 years of diverse experience with area of expertise as Thoracic Surgery. He is a member of the group practice Sanford Clinic and his current practice location is 1301 W 18th St, Sioux Falls, South Dakota. You can reach out to his office (for appointments etc.) via phone at (605) 312-2100.

Dr Keung Ung is licensed to practice in Kentucky (license number 39678) 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 1972640498.

Contact Information

Dr Keung Ung, MD
1301 W 18th St,
Sioux Falls, SD 57105
(605) 312-2100
(605) 312-2101

Map and Direction




Physician's Profile

Full NameDr Keung Ung
GenderMale
SpecialityThoracic Surgery
Experience24 Years
Location1301 W 18th 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:
  • Dr Keung Ung attended and graduated from Wayne State University School Of Medicine in 2000
  NPI Data:
  • NPI Number: 1972640498
  • Provider Enumeration Date: 01/31/2007
  • Last Update Date: 04/29/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9739274127
  • Enrollment ID: I20181105002313

Medical Identifiers

Medical identifiers for Dr Keung Ung such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972640498NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) 39678 (Kentucky)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sanford Usd Medical CenterSioux falls, SDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Sanford Clinic0244143824228

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 Keung Ung allows following entities to bill medicare on his behalf.
Entity NameSanford Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396764254
PECOS PAC ID: 0244143824
Enrollment ID: O20031110000532

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 Keung Ung 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 Keung Ung, MD
1301 W 18th St,
Sioux Falls, SD 57105-0401

Ph: (605) 312-2100
Dr Keung Ung, MD
1301 W 18th St,
Sioux Falls, SD 57105

Ph: (605) 312-2100

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Sioux Falls, SD

Dr. Paul E Meyer, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 4520 W 69th St, Sioux Falls, SD 57108
Phone: 605-977-5000    Fax: 605-977-5377
John F Grehan, MD PHD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 1301 W 18th St, Sioux Falls, SD 57105
Phone: 605-312-2100    
Dr. Leycester Nmn Owens Jr., M. D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 700 E Ridge Rd, Sioux Falls, SD 57105
Phone: 605-331-3554    
Dr. Tommy R Reynolds, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 4520 W 69th St, Sioux Falls, SD 57108
Phone: 605-977-5000    Fax: 605-977-5377
Dr. Lewis C Ofstein, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 4520 W 69th St, Sioux Falls, SD 57108
Phone: 605-977-5000    Fax: 605-977-5377
Kalyan Chakravarthy Vunnamadala, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 4520 W 69th St, Sioux Falls, SD 57108
Phone: 605-977-5000    Fax: 605-977-5377
Marc J Schechter, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 7307 S Grand Arbor Ct, Sioux Falls, SD 57108
Phone: 605-941-1866    

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).

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