James A Knupp, MD

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

35042466 Issued in OH

Practice address

1000 Regency CT Ste 100
Toledo, OH 43623-3074

Phone

(419) 882-0588

Fax

(419) 885-3070

NPI assigned

May 12, 2006

Last updated

Nov 19, 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

Other identifiers 2

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in OH

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

Ohio State University College of Medicine, 1978

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Associated Eye Care IncGroup PAC ID 0547201444, 6 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy St Vincent Medical Center Hospital, Toledo, OH, CCN 360112

Merit-based Incentive Payment System (MIPS)

Final score

95.05 of 100Reported as individual

Quality

90.09

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Associated Eye Care Inc

  dba Optical Illusion

  • Ophthalmology Physician
  • Toledo, OH
  • NPI 1720155534
  Medicare reassignment Care Compare group NPD
• Lima Memorial Joint Operating Company

  dba Lima Memorial Health System

  • General Acute Care Hospital
  • Lima, OH
  • NPI 1336144732
  NPD (past)
• Retina Vitreous Associates Inc

  • Retina Specialist (Ophthalmology) Physician
  • Toledo, OH
  • NPI 1922073030
  NPD (past)
• Midwest Eye Associates LLC

  • Ophthalmology Physician
  • Litchfield, IL
  • NPI 1043413289
  NPD (past)
• Midwest Eye Associates LLC

  • Ophthalmology Physician
  • Decatur, IL
  • NPI 1891998357
  NPD (past)
• Midwest Eye Associates, LLC

  • Ophthalmology Physician
  • Springfield, IL
  • NPI 1427250422
  NPD (past)

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

• Mercy Health - St Vincent Medical Center LLC

  dba Mercy Health St Vincent Medical Center

  • General Acute Care Hospital
  • Toledo, OH
  • NPI 1467493551
  Care Compare affiliation

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

{
    "created_epoch": "1147392000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763510400000",
    "number": "1548211774",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 REGENCY CT",
            "address_2": "SUITE 100",
            "city": "TOLEDO",
            "state": "OH",
            "postal_code": "436233091",
            "telephone_number": "419-882-0588",
            "fax_number": "419-885-3070"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 REGENCY CT STE 100",
            "city": "TOLEDO",
            "state": "OH",
            "postal_code": "436233074",
            "telephone_number": "419-882-0588",
            "fax_number": "419-885-3070"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "960 W Wooster St Ste 216",
            "address_purpose": "LOCATION",
            "city": "Bowling Green",
            "state": "OH",
            "postal_code": "434022650",
            "country_code": "US",
            "telephone_number": "419-352-5500",
            "fax_number": "419-352-5577",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KNUPP",
        "first_name": "JAMES",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-12",
        "last_updated": "2025-11-19",
        "certification_date": "2025-11-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "OH",
            "license": "35042466",
            "primary": true
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "IL",
            "license": "036075866",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0086973",
            "state": "OH"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036075866",
            "state": "IL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jknupp@associatedeye.imwdirect.com",
            "affiliation": "N",
            "address_1": "1000 Regency Ct",
            "address_2": "Suite 100",
            "city": "Toledo",
            "state": "OH",
            "country_code": "US",
            "postal_code": "436233091",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Frank Barry Knotts, M.D.
• Courtney Knowles
• Koketta Knowles
• Maureen Knowles, RN
• Michele S Knox, PH.D.
• Cassandra Knutson
• Abdallah Kobeissy, M.D.
• Amy L Kobold, MA, LPC
• Lauren Koch, PHARMD, RPH
• Nicole Lee Koch, RN

• Ophthalmology Physician in Toledo, OH
• Providers in Toledo, OH by specialty
• Ophthalmology Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 19, 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.