Merina Thomas, M.D.

Primary specialty

Retina Specialist (Ophthalmology) PhysicianTaxonomy code 207WX0107X

License

MD186970 Issued in OR

Practice address

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011

Phone

(503) 494-3000

Fax

(503) 494-4286

NPI assigned

Jun 25, 2012

Sex

Female

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 OR, WA2 enrollments

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 2

Specialty

Ophthalmology

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

University Professional ServicesGroup PAC ID 4880760107, shared by 3 NPIs, 1,683 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ohsu Hospital and Clinics Hospital, Portland, OR, CCN 380009

Merit-based Incentive Payment System (MIPS)

Final score

99.11 of 100Reported as apm

Quality

84.29

Promoting interoperability

100

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mthomas109184@direct.ohsu.edu
• Direct secure messaging: merina.thomas.p53@direct.tenet.nextgenshare.com

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.

• University Professional Services

  • General Practice Physician
  • Portland, OR
  • NPI 1376709535
  Medicare reassignment NPD
• University Professional Services

  dba University Professional Services in SW Washington

  • Clinic/Center
  • Vancouver, WA
  • NPI 1881848307

  Ophthalmology

  Medicare reassignment NPD
• University Professional Services

  dba OHSU Home Infusion Pharmacy

  • Pharmacy
  • Beaverton, OR
  • NPI 1073054714
  NPD
• University Professional Services

  dba OHSU Intercultural Psychiatric Program

  • Adult Mental Health Clinic/Center
  • Portland, OR
  • NPI 1750753687
  NPD
• University Professional Services

  • Ophthalmology Physician
  • Longview, WA
  • NPI 1962656868
  NPD
• University Professional Services

  dba University Professional Services in Medford

  • Pediatrics Physician
  • Medford, OR
  • NPI 1225282122
  NPD (past)

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

• Oregon Health & Science University

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1609824010
  Care Compare affiliation

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

{
    "created_epoch": "1340582400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752624000000",
    "number": "1811251820",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3181 SW SAM JACKSON PARK RD",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972393011",
            "telephone_number": "503-494-3000",
            "fax_number": "503-494-4286"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3181 SW SAM JACKSON PARK RD",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972393011",
            "telephone_number": "503-494-3000",
            "fax_number": "503-494-4286"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THOMAS",
        "first_name": "MERINA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-06-25",
        "last_updated": "2025-07-16",
        "certification_date": "2025-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "OR",
            "license": "MD186970",
            "primary": false
        },
        {
            "code": "207WX0107X",
            "taxonomy_group": "",
            "desc": "Ophthalmology, Retina Specialist",
            "state": "OR",
            "license": "MD186970",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Madison Thomas
• Margaret A Thomas
• Mark Thomas, MD
• Meghan Elizabeth Thomas, D.C.
• Melissa Lea Thomas, CBD
• Micah Briana Thomas
• Michelle Elaine Thomas, LMT
• Molly F Thomas, MD, PHD
• Nathaniel Wade Thomas, CRM, PSS
• Neil William Douglas Thomas, M.D.

• Retina Specialist (Ophthalmology) Physician in Portland, OR
• Providers in Portland, OR by specialty
• Retina Specialist (Ophthalmology) Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 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.