Michael A Sumsion, MD

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

G68804 Issued in CA

Practice address

2801 Park Marina Dr
Redding, CA 96001-2822

Phone

(530) 244-2273

Fax

(530) 244-2708

NPI assigned

May 11, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in CA

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

University of Utah School of Medicine, 1986

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Riverside Eyecare Professionals Inc a Medical CorporationGroup PAC ID 4183098502, 3 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

90.95 of 100Reported as group

Quality

92.2

Improvement activities

40

Cost

80.22

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: michael.sumsionmd.p1@direct.riversideeyecare.nextgenshare.com

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Sean Michael Sumsion, M.D.

  • Ophthalmology Physician
  • Redding, CA
  • NPI 1538504469
  Medicare reassignment

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

• Riverside Eyecare Professionals Inc a Medical Corporation

  • Ophthalmology Physician
  • Redding, CA
  • NPI 1265158703
  Medicare reassignment Care Compare group NPD
• Dignity Health

  • General Acute Care Hospital
  • Redding, CA
  • NPI 1477671535
  NPD (past)
• Michael Sumsion MD Dba Riverside Eyecare Professionals

  • Ophthalmology Physician
  • Redding, CA
  • NPI 1710936539
  NPD (past)
• Riverside Surgery Center, Inc.

  • Ambulatory Surgical Clinic/Center
  • Redding, CA
  • NPI 1821047499
  NPD (past)

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

{
    "created_epoch": "1147305600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1699725507",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2801 PARK MARINA DR",
            "city": "REDDING",
            "state": "CA",
            "postal_code": "960012822",
            "telephone_number": "530-244-2273",
            "fax_number": "530-244-2708"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2801 PARK MARINA DR",
            "city": "REDDING",
            "state": "CA",
            "postal_code": "960012822",
            "telephone_number": "530-244-2273",
            "fax_number": "530-244-2708"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SUMSION",
        "first_name": "MICHAEL",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-11",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "G68804",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NATIONWIDE",
            "identifier": "CF129069",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD",
            "identifier": "00G68804",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Mary Martin Sullens, RN FNP MHS
• Christina Lee Sullivan
• Rachel Marie Sullivan, M.D.
• Tollin Knight Sullivan, M.D.
• Laney Jane Sumner, RDH
• Sean Michael Sumsion, M.D.
• Chester H Sunde, PSYD
• Sundial Bridge Emergency Physicians, a Medical Corporation
• Peter Joseph Sunenshine, MD
• Kevin D Sunitsch, CCP

• Ophthalmology Physician in Redding, CA
• Providers in Redding, CA by specialty
• Ophthalmology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.