Charles Chen, MD in Chicago, IL - Medicare Internal Medicine

Charles Chen, MD is a medicare enrolled "Internal Medicine - Critical Care Medicine" physician in Chicago, Illinois. His current practice location is 5841 S Maryland Ave, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (773) 834-9500.

Charles Chen is licensed to practice in Illinois (license number 036152950) 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 1588190003.

Contact Information

	Charles Chen, MD
	5841 S Maryland Ave, Chicago, IL 60637-1443
	(773) 834-9500
	Not Available

Map and Direction

Physician's Profile

Full Name	Charles Chen
Gender	Male
Speciality	Internal Medicine - Critical Care Medicine
Location	5841 S Maryland Ave, Chicago, Illinois
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1588190003
Provider Enumeration Date: 05/03/2017
Last Update Date: 06/30/2025

Medicare PECOS Information:

PECOS PAC ID: 3678842390
Enrollment ID: I20241028003342

Medical Identifiers

Medical identifiers for Charles Chen such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1588190003	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	036152950 (Illinois)	Secondary
208M00000X	Hospitalist	036152950 (Illinois)	Secondary
207RC0200X	Internal Medicine - Critical Care Medicine	25MA11130600 (New Jersey)	Secondary
207RC0200X	Internal Medicine - Critical Care Medicine	036152950 (Illinois)	Primary
390200000X	Student In An Organized Health Care Education/training Program	(* (Not Available))	Secondary

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. Charles Chen allows following entities to bill medicare on his behalf.

Entity Name	Rwjbh Observation Associates Llc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1760095806 PECOS PAC ID: 5193137503 Enrollment ID: O20201209000008

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. Charles Chen 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
Charles Chen, MD 180 Harvester Dr Ste 110, Burr Ridge, IL 60527-6686 Ph: (773) 702-1150	Charles Chen, MD 5841 S Maryland Ave, Chicago, IL 60637-1443 Ph: (773) 834-9500

Reviews and Comments

Internal Medicine Doctors in Chicago, IL

Dr. Sorin C Danciu, M.D. Critical Care Medicine Medicare: Accepting Medicare Assignments Practice Location: 3134 N Clark St, Chicago, IL 60657 Phone: 773-880-9722
Anoopa A. Koshy, MD Critical Care Medicine Medicare: Accepting Medicare Assignments Practice Location: 259 E Erie St Ste 2200, Chicago, IL 60611 Phone: 312-926-6000
William Edmond Gerardi, M.D. Critical Care Medicine Medicare: Not Enrolled in Medicare Practice Location: 3730 N Lake Shore Dr, Apartment 2a, Chicago, IL 60613 Phone: 773-244-3060
Dr. Puneet Dhillon Grewal, M.D. Critical Care Medicine Medicare: Accepting Medicare Assignments Practice Location: 1501 S California Ave # 7-140, Chicago, IL 60608 Phone: 773-257-4758
Alexandra Dumitrescu, Critical Care Medicine Medicare: Accepting Medicare Assignments Practice Location: 5841 S Maryland Ave, Chicago, IL 60637 Phone: 888-824-0200
Dr. Mitesh Mahesh Kabadi, M.D. Critical Care Medicine Medicare: Accepting Medicare Assignments Practice Location: 1725 W Harrison St Ste 1159, Chicago, IL 60612 Phone: 312-942-5020
Dr. Marta Batus, MD Critical Care Medicine Medicare: Accepting Medicare Assignments Practice Location: 1725 W Harrison St, Suite 809, Chicago, IL 60612 Phone: 312-563-2487 Fax: 312-942-3192

Charles Chen, MD - Medicare Internal Medicine in Chicago, IL