Dr Nicholas Gregory Iwasko, MD - Medicare Diagnostic Radiology in Dallas, TX

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Dr Nicholas Gregory Iwasko, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Dallas, Texas. He went to University Of Miami, Lm Miller School Of Medicine and graduated in 1995 and has 30 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Memorial Mri And Diagnostic Llc and his current practice location is 4420 Cedarbrush Dr, Dallas, Texas. You can reach out to his office (for appointments etc.) via phone at (352) 222-7431.

Dr Nicholas Gregory Iwasko is licensed to practice in Texas (license number L3347) 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 1285649863.

Contact Information

Dr Nicholas Gregory Iwasko, MD
4420 Cedarbrush Dr,
Dallas, TX 75229-2901
(352) 222-7431
(972) 542-6915

Map and Direction




Physician's Profile

Full NameDr Nicholas Gregory Iwasko
GenderMale
SpecialityDiagnostic Radiology
Experience30 Years
Location4420 Cedarbrush Dr, Dallas, Texas
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 Nicholas Gregory Iwasko attended and graduated from University Of Miami, Lm Miller School Of Medicine in 1995
  NPI Data:
  • NPI Number: 1285649863
  • Provider Enumeration Date: 07/30/2006
  • Last Update Date: 11/10/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 2668419516
  • Enrollment ID: I20050412000789

Medical Identifiers

Medical identifiers for Dr Nicholas Gregory Iwasko such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285649863NPI-NPPES
43010774455OtherMIMEDICAL LICENSE NUMBER
L3347OtherTXMEDICAL LICENSE NUMBER
ME-0073118OtherFLMEDICAL LICENSE NUMBER
AO68320OtherCAMEDICAL LICENSE NUMBER
35-07-8584-IOtherOHMEDICAL LICENSE NUMBER

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology L3347 (Texas)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Memorial Mri And Diagnostic Llc650785956845

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 Nicholas Gregory Iwasko allows following entities to bill medicare on his behalf.
Entity NameMemorial Mri And Diagnostic Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912989120
PECOS PAC ID: 6507859568
Enrollment ID: O20051209000488
Entity NameRenaissance Radiology Associates Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275181455
PECOS PAC ID: 0345571881
Enrollment ID: O20191014002484
Entity NameSummit Radiology Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073584587
PECOS PAC ID: 0143295410
Enrollment ID: O20200220002340
Entity NameRadiology Specialists Of St Joseph Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679512701
PECOS PAC ID: 3173508512
Enrollment ID: O20200716000865
Entity NameRadiologic Associates Of Middletown Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124137328
PECOS PAC ID: 5799765186
Enrollment ID: O20210217001844
Entity NameGuilford Radiology Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760593347
PECOS PAC ID: 2668722513
Enrollment ID: O20210407000036

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 Nicholas Gregory Iwasko 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 Nicholas Gregory Iwasko, MD
4420 Cedarbrush Dr,
Dallas, TX 75229-2901

Ph: (352) 222-7431		Dr Nicholas Gregory Iwasko, MD
4420 Cedarbrush Dr,
Dallas, TX 75229-2901

Ph: (352) 222-7431

Reviews and Comments


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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.