Michael J Hartmann, MD in Naperville, IL - Medicare Emergency Medicine

Michael J Hartmann, MD is a medicare enrolled "Emergency Medicine" physician in Naperville, Illinois. His current practice location is 801 S Washington St, Naperville, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 527-3000.

Michael J Hartmann is licensed to practice in Illinois (license number 036109982) 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 1013073253.

Contact Information

	Michael J Hartmann, MD
	801 S Washington St, Naperville, IL 60540-7430
	(630) 527-3000
	Not Available

Map and Direction

Physician's Profile

Full Name	Michael J Hartmann
Gender	Male
Speciality	Emergency Medicine
Location	801 S Washington St, Naperville, Illinois
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1013073253
Provider Enumeration Date: 12/30/2006
Last Update Date: 11/25/2025

Medicare PECOS Information:

PECOS PAC ID: 0446212401
Enrollment ID: I20041102000057

Medical Identifiers

Medical identifiers for Michael J Hartmann such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1013073253	NPI	-	NPPES
HARTMMI4	Other	WI	MERCYCARE INSURANCE
1013073253	Other	WI	BCBSWI
1013073253	Medicaid	WI
000054176-K400095937	Other	WI	WI MEDICARE
036109982	Medicaid	IL

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207P00000X	Emergency Medicine	60901-20 (Wisconsin)	Secondary
207P00000X	Emergency Medicine	036109982 (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. Michael J Hartmann allows following entities to bill medicare on his behalf.

Entity Name	Edward Hospital
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1013969013 PECOS PAC ID: 0042108110 Enrollment ID: O20040309001279

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. Michael J Hartmann 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
Michael J Hartmann, MD 1000 Mineral Point Ave, Janesville, WI 53548-2940 Ph: (608) 756-6111	Michael J Hartmann, MD 801 S Washington St, Naperville, IL 60540-7430 Ph: (630) 527-3000

Reviews and Comments

Emergency Medicine Doctors in Naperville, IL

Mohamed I Jabri, MD Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 1149 Dickens Ave, Naperville, IL 60563 Phone: 630-548-1407
Seema Ishaq Jeelani, D.O. Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 801 S Washington St, Naperville, IL 60540 Phone: 630-527-3000
Dr. Sangita Rangala, M.D. Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 801 S Washington St, Naperville, IL 60540 Phone: 630-527-3288 Fax: 630-527-5018
Jordan B Moskoff, MD Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 4003 S Route 59, Naperville, IL 60564 Phone: 888-693-6437 Fax: 815-730-6368
Dr. Thomas H Oh, M.D. Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 801 S Washington St, Emergency Medicine, Naperville, IL 60540 Phone: 630-527-3000
Bilal Ahmed Khan, M.D. Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 801 S Washington St, Naperville, IL 60540 Phone: 630-527-3000

Michael J Hartmann, MD - Medicare Emergency Medicine in Naperville, IL