Dr John A Kefer, MD - Medicare Internal Medicine in Geneva, IL

Dr John A Kefer, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Geneva, Illinois. His current practice location is 351 Delnor Dr, Geneva, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 232-0280.

Dr John A Kefer is licensed to practice in Illinois (license number 036050847) 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 1477549103.

Contact Information

Dr John A Kefer, MD
351 Delnor Dr,
Geneva, IL 60134-4220
(630) 232-0280
(630) 232-3895



Physician's Profile

Full NameDr John A Kefer
GenderMale
SpecialityInternal Medicine - Cardiovascular Disease
Location351 Delnor Dr, Geneva, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1477549103
  • Provider Enumeration Date: 09/27/2005
  • Last Update Date: 01/31/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 3870496862
  • Enrollment ID: I20040929000937

Medical Identifiers

Medical identifiers for Dr John A Kefer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477549103NPI-NPPES
036050847MedicaidIL
206147052OtherILMEDICARE PTAN (INDIVIDUAL)
206147OtherILMEDICARE PTAN (GROUP)

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease 036050847 (Illinois)Primary

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 John A Kefer allows following entities to bill medicare on his behalf.
Entity NameCentral Dupage Hospital Association
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003864810
PECOS PAC ID: 0941108666
Enrollment ID: O20031231000723

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Entity NameDelnor Community Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407859655
PECOS PAC ID: 3971402371
Enrollment ID: O20040105000793

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Entity NameCentral Dupage Physician Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033149844
PECOS PAC ID: 5890696231
Enrollment ID: O20040303000601

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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 John A Kefer 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 John A Kefer, MD
351 Delnor Dr,
Geneva, IL 60134-4220

Ph: (630) 232-0280
Dr John A Kefer, MD
351 Delnor Dr,
Geneva, IL 60134-4220

Ph: (630) 232-0280

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Internal Medicine Doctors in Geneva, IL

Dr. William P Towne, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 351 Delnor Dr Ste 302, Geneva, IL 60134
Phone: 630-232-0280    Fax: 630-232-3895
Tiffany A. Karas, MD
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 302 Randall Rd, Geneva, IL 60134
Phone: 630-208-6775    Fax: 630-208-7937
Dr. Nauman Mushtaq, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 351 Delnor Dr, Geneva, IL 60134
Phone: 630-232-0280    Fax: 630-232-3985
Dr. Amanda K. Corum, MD
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 300 Randall Rd, Geneva, IL 60134
Phone: 630-933-4700    Fax: 630-933-4427
Elisa A Hofmann, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 302 Randall Rd, Geneva, IL 60134
Phone: 630-208-6775    Fax: 630-208-7937
Raheemuddin Nazeer, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 2535 Soderquist Ct, Geneva, IL 60134
Phone: 630-584-1400    Fax: 630-584-1733
Harsh Bipin Patel,
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 300 Randall Rd, Geneva, IL 60134
Phone: 630-933-4700    Fax: 630-933-4427

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