Gerald J Kallas, MD - Medicare Internal Medicine in Oconomowoc, WI

Gerald J Kallas, MD is a medicare enrolled "Internal Medicine" physician in Oconomowoc, Wisconsin. His current practice location is 1437 N Summit Ave, Oconomowoc, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (414) 322-1434.

Gerald J Kallas is licensed to practice in Wisconsin (license number 14655-20) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1770959462.

Contact Information

Gerald J Kallas, MD
1437 N Summit Ave,
Oconomowoc, WI 53066-9461
(414) 322-1434
Not Available

Map and Direction




Physician's Profile

Full NameGerald J Kallas
GenderMale
SpecialityInternal Medicine
Location1437 N Summit Ave, Oconomowoc, Wisconsin
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1770959462
  • Provider Enumeration Date: 08/17/2015
  • Last Update Date: 08/17/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 4789976705
  • Enrollment ID: I20160712003169

Medical Identifiers

Medical identifiers for Gerald J Kallas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1770959462NPI-NPPES
14655-20MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 14655-20 (Wisconsin)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. Gerald J Kallas 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
Gerald J Kallas, MD
1437 N Summit Ave,
Oconomowoc, WI 53066-9461

Ph: (414) 322-1434
Gerald J Kallas, MD
1437 N Summit Ave,
Oconomowoc, WI 53066-9461

Ph: (414) 322-1434

Reviews and Comments


Internal Medicine Doctors in Oconomowoc, WI

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Firas Ghanem, M.D.
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Carrie A Narkis, MD
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Phone: 262-569-2279    Fax: 262-569-2293
Brenda L. Boschek, M.D.
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Phone: 262-928-8400    Fax: 262-928-8484
Dr. Richard Morris Hansen, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 791 Summit Ave, Prohealth Care Regional Cancer Center, Oconomowoc, WI 53066
Phone: 262-569-0554    

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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