Eric R Kallwitz, MD - Medicare Gastroenterology in Chicago, IL

Eric R Kallwitz, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Chicago, Illinois. He went to Rush Medical College Of Rush University and graduated in 2002 and has 22 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Loyola University Medical Center, Illinois Gastroenterology Group Llc and his current practice location is 840 S Wood St Fl 7, Mc 716, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (312) 996-6651.

Eric R Kallwitz is licensed to practice in Illinois (license number 036113292) 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 1275716607.

Contact Information

Eric R Kallwitz, MD
840 S Wood St Fl 7, Mc 716,
Chicago, IL 60612-4325
(312) 996-6651
Not Available



Physician's Profile

Full NameEric R Kallwitz
GenderMale
SpecialityGastroenterology
Experience22 Years
Location840 S Wood St Fl 7, Chicago, Illinois
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:
  • Eric R Kallwitz attended and graduated from Rush Medical College Of Rush University in 2002
  NPI Data:
  • NPI Number: 1275716607
  • Provider Enumeration Date: 12/07/2007
  • Last Update Date: 01/31/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7416024997
  • Enrollment ID: I20080925000180

Medical Identifiers

Medical identifiers for Eric R Kallwitz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1275716607NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 036113292 (Illinois)Primary
207R00000XInternal Medicine 036113292 (Illinois)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Loyola University Medical CenterMaywood, ILHospital
Northwest Community Hospital 1Arlington heights, ILHospital
Osf Saint Anthony Medical CenterRockford, ILHospital
Central Dupage HospitalWinfield, ILHospital
Katherine Shaw Bethea HospitalDixon, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Loyola University Medical Center3779488903863
Illinois Gastroenterology Group Llc5193857423119

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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. Eric R Kallwitz allows following entities to bill medicare on his behalf.
Entity NameLoyola University Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336159961
PECOS PAC ID: 3779488903
Enrollment ID: O20031202000027

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Entity NameIllinois Gastroenterology Group Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316277817
PECOS PAC ID: 5193857423
Enrollment ID: O20100721000790

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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. Eric R Kallwitz 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
Eric R Kallwitz, MD
840 S Wood St Fl 7, Mc 716,
Chicago, IL 60612-4325

Ph: (312) 996-6651
Eric R Kallwitz, MD
840 S Wood St Fl 7, Mc 716,
Chicago, IL 60612-4325

Ph: (312) 996-6651

News Archive

Research on immune system can develop new therapy for inflammation, tumors

In two closely related studies, two teams of Scripps Research Institute scientists have discovered the underlying mechanisms that activate a type of immune cell in the skin and other organs. The findings may lead to the development of new therapies to treat inflammation, wounds, asthma, and malignant tumors.

New study offers insights on mechanisms behind development of kidney damage due to obesity

A new study provides insights on the mechanisms behind the development of kidney damage due to obesity. The findings, which appear in an upcoming issue of the Journal of the American Society of Nephrology, point to a potential target for protecting the kidney health of individuals with obesity.

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› Verified 5 days ago


Internal Medicine Doctors in Chicago, IL

Dr. Sorin C Danciu, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 3134 N Clark St, Chicago, IL 60657
Phone: 773-880-9722    
Anoopa A. Koshy, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 259 E Erie St Ste 2200, Chicago, IL 60611
Phone: 312-926-6000    
William Edmond Gerardi, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 3730 N Lake Shore Dr, Apartment 2a, Chicago, IL 60613
Phone: 773-244-3060    
Suparna Dutta, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 1700 W Van Buren St, Suite 500, Chicago, IL 60612
Phone: 312-942-4200    Fax: 312-942-3568
Alexandra Dumitrescu,
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 5841 S Maryland Ave, Chicago, IL 60637
Phone: 888-824-0200    
Dr. Mitesh Mahesh Kabadi, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 1725 W Harrison St Ste 1159, Chicago, IL 60612
Phone: 312-942-5020    
Dr. Marta Batus, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 1725 W Harrison St, Suite 809, Chicago, IL 60612
Phone: 312-563-2487    Fax: 312-942-3192

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