Dr John Michael Callahan, MD in Dubuque, IA

Dr John Michael Callahan, MD is a medicare enrolled "Pediatrics" physician in Dubuque, Iowa. His current practice location is 1000 Langworthy St, Dubuque, Iowa. You can reach out to his office (for appointments etc.) via phone at (563) 584-3440.

Dr John Michael Callahan is licensed to practice in Iowa (license number MD-44274) 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 1851704480.

Contact Information

	Dr John Michael Callahan, MD
	1000 Langworthy St, Dubuque, IA 52001-7313
	(563) 584-3440
	(563) 584-3009

Map and Direction

Physician's Profile

Full Name	Dr John Michael Callahan
Gender	Male
Speciality	Pediatrics
Location	1000 Langworthy St, Dubuque, Iowa
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1851704480
Provider Enumeration Date: 06/11/2014
Last Update Date: 07/05/2017

Medicare PECOS Information:

PECOS PAC ID: 2062638950
Enrollment ID: I20170811000797

Medical Identifiers

Medical identifiers for Dr John Michael Callahan such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1851704480	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
208000000X	Pediatrics	MD-44274 (Iowa)	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 Michael Callahan allows following entities to bill medicare on his behalf.

Entity Name	Medical Associates Clinic P C
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1457300790 PECOS PAC ID: 3870491228 Enrollment ID: O20031223000311

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 Michael Callahan 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 Michael Callahan, MD 1500 Associates Dr., Dubuque, IA 52002-2201 Ph: (563) 584-4100	Dr John Michael Callahan, MD 1000 Langworthy St, Dubuque, IA 52001-7313 Ph: (563) 584-3440

Reviews and Comments

Pediatrics Doctors in Dubuque, IA

Mitchell Lee Edwards, MD Pediatrics Medicare: Medicare Enrolled Practice Location: 1500 Associates Dr, Dubuque, IA 52002 Phone: 563-584-3000
David E Kragenbrink, MD Pediatrics Medicare: Not Enrolled in Medicare Practice Location: 1500 Delhi St, Suite 3500, Dubuque, IA 52001 Phone: 563-557-5911 Fax: 563-557-5910
Ankura Kadakia, DO Pediatrics Medicare: Medicare Enrolled Practice Location: 1500 Delhi St Ste 3500, Dubuque, IA 52001 Phone: 563-557-3900
Heather-lynn Menezes, DO Pediatrics Medicare: Medicare Enrolled Practice Location: 1000 Langworthy St, Dubuque, IA 52001 Phone: 563-584-3440 Fax: 563-584-3009
Shiny Susan Kunjummen, MD Pediatrics Medicare: Not Enrolled in Medicare Practice Location: 1500 Delhi St Ste 3500, Dubuque, IA 52001 Phone: 563-557-5911
Donald Harvey Reyerson, M.D. Pediatrics Medicare: Not Enrolled in Medicare Practice Location: 1500 Associates Dr, Dubuque, IA 52002 Phone: 563-584-4440 Fax: 563-584-4295
Susan Light Roewe, MD Pediatrics Medicare: Not Enrolled in Medicare Practice Location: 1690 Elm St Ste 300, Dubuque, IA 52001 Phone: 563-690-2850 Fax: 563-557-8488

Dr John Michael Callahan, MD - Medicare Pediatrics in Dubuque, IA