John Charles Michalak, MD - Internal Medicine in Sioux City, IA

John Charles Michalak, MD is a Internal Medicine - Hematology & Oncology physician based in Sioux City, Iowa. John Charles Michalak is licensed to practice in Iowa (license number 21969) and his current practice location is 230 Nebraska St, Sioux City, Iowa. He can be reached at his office (for appointments etc.) via phone at (712) 252-0088.

NPI number for John Charles Michalak is 1497727663 and his current mailing address is 230 Nebraska St, Sioux City, Iowa. He does not participate in medicare program and thus does not accept medicare assignments. His NPI Number is 1497727663.

Contact Information

John Charles Michalak, MD
230 Nebraska St,
Sioux City, IA 51101-1733
(712) 252-0088
(712) 252-5271



Physician's Profile

Full NameJohn Charles Michalak
GenderMale
SpecialityInternal Medicine - Hematology & Oncology
Location230 Nebraska St, Sioux City, Iowa
Accepts Medicare AssignmentsDoes not participate in Medicare Program. He may not accept medicare assignment.
  NPI Data:
  • NPI Number: 1497727663
  • Provider Enumeration Date: 02/02/2006
  • Last Update Date: 07/08/2007

Medical Identifiers

Medical identifiers for John Charles Michalak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1497727663NPI-NPPES
0171322MedicaidIA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 21969 (Iowa)Primary

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. John Charles Michalak is NOT enrolled with medicare and thus cannot prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
John Charles Michalak, MD
230 Nebraska St,
Sioux City, IA 51101-1733

Ph: (712) 252-0088
John Charles Michalak, MD
230 Nebraska St,
Sioux City, IA 51101-1733

Ph: (712) 252-0088

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› Verified 2 days ago


Internal Medicine Doctors in Sioux City, IA

Sharon K Fey, PA C
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 700 4th Street, Ste 410, Sioux City, IA 51101
Phone: 712-255-7746    Fax: 712-255-0829
Joy L Taylor, M.D.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 5885 Sunnybrook Dr, Suite L-200, Sioux City, IA 51106
Phone: 712-239-4702    Fax: 712-224-5898
Dr. Peter Jon Anderson, M.D.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 801 5th St, Sioux City, IA 51101
Phone: 712-279-2010    Fax: 712-279-2034
Dr. Robert Mark Stewart, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 2730 Pierce St, Suite 401, Sioux City, IA 51104
Phone: 712-255-8827    Fax: 712-255-4862
William R Wanner, M.D.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 5885 Sunnybrook Dr, Suite L-200, Sioux City, IA 51106
Phone: 712-239-4702    Fax: 712-224-5898
Roque Bernardo Arteaga, M.D., FACC
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 5885 Sunnybrook Dr, Suite L-200, Sioux City, IA 51106
Phone: 712-239-4702    Fax: 712-224-5898
Dr. Olusola Ogundipe, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 801 5th St, Sioux City, IA 51101
Phone: 712-279-2010    

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