Dr John P Karagiannis, MD in South Bend, IN

Dr John P Karagiannis, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in South Bend, Indiana. He went to Loyola University Of Chicago, Stritch School Of Medicine and graduated in 1987 and has 39 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Privia Medical Group Indiana Llc and his current practice location is 621 Memorial Dr Ste 511, South Bend, Indiana. You can reach out to his office (for appointments etc.) via phone at (574) 544-5580.

Dr John P Karagiannis is licensed to practice in Indiana (license number 01041123A) 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 1386647170.

Contact Information

	Dr John P Karagiannis, MD
	621 Memorial Dr Ste 511, South Bend, IN 46601-1075
	(574) 544-5580
	(574) 544-5579

Map and Direction

Physician's Profile

Full Name	Dr John P Karagiannis
Gender	Male
Speciality	Gastroenterology
Experience	39 Years
Location	621 Memorial Dr Ste 511, South Bend, Indiana
Accepts Medicare Assignments	Yes. 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 John P Karagiannis attended and graduated from Loyola University Of Chicago, Stritch School Of Medicine in 1987

NPI Data:

NPI Number: 1386647170
Provider Enumeration Date: 05/24/2005
Last Update Date: 06/25/2026

Medicare PECOS Information:

PECOS PAC ID: 8426957747
Enrollment ID: I20100830000506

Medical Identifiers

Medical identifiers for Dr John P Karagiannis such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1386647170	NPI	-	NPPES
100114340	Medicaid	IN

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0100X	Internal Medicine - Gastroenterology	01041123A (Indiana)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Elkhart General Hospital	Elkhart, IN	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Privia Medical Group Indiana Llc	2365341674	32

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 P Karagiannis allows following entities to bill medicare on his behalf.

Entity Name	Privia Medical Group Indiana, Llc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1568147809 PECOS PAC ID: 2365341674 Enrollment ID: O20040110000052

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 P Karagiannis 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 Address	Practice Location Address
Dr John P Karagiannis, MD 3245 Health Dr Ste 100, Granger, IN 46530-1380 Ph: (574) 647-3725	Dr John P Karagiannis, MD 621 Memorial Dr Ste 511, South Bend, IN 46601-1075 Ph: (574) 544-5580

Reviews and Comments

Internal Medicine Doctors in South Bend, IN

Mayank Kumar Mittal, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 610 N Michigan St Ste 400, South Bend, IN 46601 Phone: 574-647-8120 Fax: 574-647-8111
Dr. Steven P. Crowell, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 211 N Eddy St, South Bend, IN 46617 Phone: 574-237-9340 Fax: 574-239-1474
Muhammad Shakil Aslam, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 610 N Michigan St Ste 400, South Bend, IN 46601 Phone: 574-647-8120 Fax: 574-647-8111
Samuel Benjamin Huxley, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 610 N Michigan St Ste 400, South Bend, IN 46601 Phone: 574-647-8120
Monika Niemiec, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 615 N Michigan St, 1st Fl Hospitalist Ste, South Bend, IN 46601 Phone: 574-647-3050 Fax: 574-647-1094
Dr. Travis Weaver, D.O. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 1815 E Ireland Rd, South Bend, IN 46614 Phone: 574-647-1700 Fax: 574-647-7572
Dr. Thomas P Barbour, MD Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 211 N Eddy St, South Bend, IN 46617 Phone: 574-237-9340 Fax: 574-239-1474

Dr John P Karagiannis, MD - Medicare Gastroenterology in South Bend, IN