Dr Michael A Grassi, MD in Naperville, IL

Dr Michael A Grassi, MD is a medicare enrolled "Ophthalmology - Retina Specialist" physician in Naperville, Illinois. He went to Northwestern University Feinberg Medical School and graduated in 1999 and has 25 years of diverse experience with area of expertise as Ophthalmology. His current practice location is 1012 95th St Ste 9, Naperville, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 995-3465.

Dr Michael A Grassi is licensed to practice in Illinois (license number 036115845) 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 1689666885.

Contact Information

	Dr Michael A Grassi, MD
	1012 95th St Ste 9, Naperville, IL 60564-5040
	(630) 995-3465
	(630) 995-3622

Map and Direction

Physician's Profile

Full Name	Dr Michael A Grassi
Gender	Male
Speciality	Ophthalmology
Experience	25 Years
Location	1012 95th St Ste 9, Naperville, Illinois
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 Michael A Grassi attended and graduated from Northwestern University Feinberg Medical School in 1999

NPI Data:

NPI Number: 1689666885
Provider Enumeration Date: 08/16/2005
Last Update Date: 07/21/2022

Medicare PECOS Information:

PECOS PAC ID: 3678579711
Enrollment ID: I20070118000429

Medical Identifiers

Medical identifiers for Dr Michael A Grassi such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1689666885	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207WX0107X	Ophthalmology - Retina Specialist	036115845 (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. Dr Michael A Grassi allows following entities to bill medicare on his behalf.

Entity Name	The Board Of Trustees Of The University Of Illinois
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1386863819 PECOS PAC ID: 3072422716 Enrollment ID: O20031112000158

Entity Name	Grassi Retina Md Sc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1598121113 PECOS PAC ID: 3072819523 Enrollment ID: O20160309000396

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 Michael A Grassi 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 Michael A Grassi, MD 1012 95th St Ste 9, Naperville, IL 60564-5040 Ph: (630) 995-3465	Dr Michael A Grassi, MD 1012 95th St Ste 9, Naperville, IL 60564-5040 Ph: (630) 995-3465

Reviews and Comments

Ophthalmology Doctors in Naperville, IL

Dr. Michael Thomas Andreoli, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 636 Raymond Dr Ste 300, Naperville, IL 60563 Phone: 331-732-4370 Fax: 331-732-4375
Robert Michael Allar, MD Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 1020 E Ogden Ave, Suite 210, Naperville, IL 60563 Phone: 630-717-1311
Dr. Sachin Jain, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 636 Raymond Dr Ste 300, Naperville, IL 60563 Phone: 331-732-4370 Fax: 331-732-4375
Eric Kim, MD Ophthalmology Medicare: May Accept Medicare Assignments Practice Location: 1855 Bay Scott Cir, Naperville, IL 60540 Phone: 630-357-5280 Fax: 630-357-5367
Michelle E Andreoli, MD Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 636 Raymond Dr Ste 300, Naperville, IL 60563 Phone: 331-732-4370 Fax: 331-732-4375
Dr. F David Cox, M.D. Ophthalmology Medicare: May Accept Medicare Assignments Practice Location: 1855 Bay Scott Cir, Naperville, IL 60540 Phone: 630-357-5280 Fax: 630-357-5367
Dr. Daniel F Debartolo, M.D. Ophthalmology Medicare: May Accept Medicare Assignments Practice Location: 1855 Bay Scott Cir, Naperville, IL 60540 Phone: 630-357-5280 Fax: 630-357-5367

Dr Michael A Grassi, MD - Medicare Ophthalmology in Naperville, IL