Michael A Grassi, MD

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

036115845 Issued in IL

Practice address

1012 95TH St Ste 9
Naperville, IL 60564-5040

Phone

(630) 995-3465

Fax

(630) 995-3622

NPI assigned

Aug 16, 2005

Last updated

Mar 10, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Ophthalmology

Education

Northwestern University Feinberg Medical School, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Edward Hospital Hospital, Naperville, IL, CCN 140231

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as individual

Quality

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mgrassi@grassiretina.intellechartdirect.net

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Grassi Retina MD SC

  • Retina Specialist (Ophthalmology) Physician
  • Naperville, IL
  • NPI 1598121113
  Medicare reassignment NPD Authorized official
• The Board of Trustees of the University of Illinois

  • Anatomic Pathology Physician
  • Chicago, IL
  • NPI 1386863819
  Medicare reassignment NPD
• The Board of Trustees of the University of Illinois

  dba Occupational Health Service Institute (OHSI)

  • Occupational Medicine Physician
  • Chicago, IL
  • NPI 1043727571
  NPD
• The Board of Trustees of the University of Illinois

  • Ophthalmology Physician
  • Chicago, IL
  • NPI 1720208135
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Edward Hospital

  dba Endeavor Health Edward Hospital

  • General Acute Care Hospital
  • Naperville, IL
  • NPI 1427069632
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1124150400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741564800000",
    "number": "1689666885",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1012 95TH ST STE 9",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605645040",
            "telephone_number": "630-995-3465",
            "fax_number": "630-995-3622"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1012 95TH ST STE 9",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605645040",
            "telephone_number": "630-995-3465",
            "fax_number": "630-995-3622"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRASSI",
        "first_name": "MICHAEL",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-16",
        "last_updated": "2025-03-10",
        "certification_date": "2025-03-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "IL",
            "license": "036115845",
            "primary": true
        },
        {
            "code": "207WX0107X",
            "taxonomy_group": "",
            "desc": "Ophthalmology, Retina Specialist",
            "state": "IL",
            "license": "036115845",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Anna Lynn Graham, LCPC
• Latoya Lashawn Granderson, OWNER
• Gregory S Grant, MD
• Theresa Grant, DPT
• Grassi Retina MD SC
• Cory A Grathwol, D.M.D.
• Jeffrey Grawe
• Jennifer Gray, APRN
• Julia M Gray, PT
• Lisa M Gray, LCSW

• Ophthalmology Physician in Naperville, IL
• Providers in Naperville, IL by specialty
• Ophthalmology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 10, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.