Mr Christopher Gregory, MD - Medicare Diagnostic Radiology in Sioux Falls, SD

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Mr Christopher Gregory, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Sioux Falls, South Dakota. He went to Johns Hopkins University School Of Medicine and graduated in 1985 and has 39 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Avera Mckennan, Madison Community Hospital, Avera Marshall, Urology Specialists Chartered, Avera Queen Of Peace, Avera Marshall and his current practice location is 1325 S. Cliff Ave, Sioux Falls, South Dakota. You can reach out to his office (for appointments etc.) via phone at (605) 322-7510.

Mr Christopher Gregory is licensed to practice in South Dakota (license number 5278) 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 1821050212.

Contact Information

Mr Christopher Gregory, MD
1325 S. Cliff Ave,
Sioux Falls, SD 57105-3762
(605) 322-7510
(605) 322-6475

Map and Direction




Physician's Profile

Full NameMr Christopher Gregory
GenderMale
SpecialityDiagnostic Radiology
Experience39 Years
Location1325 S. Cliff Ave, 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:
  • Mr Christopher Gregory attended and graduated from Johns Hopkins University School Of Medicine in 1985
  NPI Data:
  • NPI Number: 1821050212
  • Provider Enumeration Date: 04/03/2006
  • Last Update Date: 10/17/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 3971498544
  • Enrollment ID: I20040220001092

Medical Identifiers

Medical identifiers for Mr Christopher Gregory such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1821050212NPI-NPPES
7200895MedicaidSD
7200890MedicaidSD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology 5278 (South Dakota)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Avera Mckennan Hospital & University Health CenterSioux falls, SDHospital
Avera St LukesAberdeen, SDHospital
Avera Heart Hospital Of South DakotaSioux falls, SDHospital
Brookings Health SystemBrookings, SDHospital
Avera Marshall Regional Medical CtrMarshall, MNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Avera Mckennan0345157103833
Madison Community Hospital377957974338
Avera Marshall579969522778
Urology Specialists Chartered923403132941
Avera Queen Of Peace933505080689
Avera Marshall579969522778

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. Mr Christopher Gregory allows following entities to bill medicare on his behalf.
Entity NameAvera Mckennan
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003389206
PECOS PAC ID: 0345157103
Enrollment ID: O20031110000117
Entity NameAvera Queen Of Peace
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205359031
PECOS PAC ID: 9335050806
Enrollment ID: O20031229000301
Entity NameUrology Specialists Chartered
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881647246
PECOS PAC ID: 9234031329
Enrollment ID: O20040121000003
Entity NameMadison Community Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588644058
PECOS PAC ID: 3779579743
Enrollment ID: O20040423000982
Entity NameFreeman Regional Health Services
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1003818006
PECOS PAC ID: 7315908324
Enrollment ID: O20061104000383
Entity NameMadison Community Hospital
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1588644058
PECOS PAC ID: 3779579743
Enrollment ID: O20101012001097
Entity NameFreeman Regional Health Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740570076
PECOS PAC ID: 7315908324
Enrollment ID: O20110519000169
Entity NameAvera Marshall
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962641936
PECOS PAC ID: 5799695227
Enrollment ID: O20191211001152

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. Mr Christopher Gregory 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
Mr Christopher Gregory, MD
Po Box 86370,
Sioux Falls, SD 57118-6370

Ph: (605) 322-7510		Mr Christopher Gregory, MD
1325 S. Cliff Ave,
Sioux Falls, SD 57105-3762

Ph: (605) 322-7510

Reviews and Comments


Radiology Doctors in Sioux Falls, SD

Dr. Megan E Albertson, M.D.
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Practice Location: 1325 S Cliff Ave, Sioux Falls, SD 57105
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Dr. Andrew Jay Erie, M.D.
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John P Reinschmidt, MD
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Dr. Khalil A Yousef, M.D.
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Phone: 605-328-1410    Fax: 605-328-1412
Collin Noldner, MD
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Mr. Shannon R Peck, M.D.
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Practice Location: 1210 W 18th St, Ste Ll03, Sioux Falls, SD 57104
Phone: 605-328-1410    Fax: 605-328-1412
Mr. Edward J Czarnecki, MD
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Practice Location: 1210 W 18th St, Ste Ll03, Sioux Falls, SD 57104
Phone: 605-328-1410    Fax: 605-328-1412

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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