Individual provider Active NPI

Trisha Lynn Thoma, M.D.

  • Plastic Surgery within the Head & Neck (Otolaryngology) Physician
  • Mason City, IA
National Provider Identifier
1770849317
Registry record updated Sep 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Plastic Surgery within the Head & Neck (Otolaryngology) PhysicianTaxonomy code 207YX0007X
License
MD44577 Issued in IA
Practice address
250 S Crescent Dr
Mason City, IA 50401-2926
Phone
(641) 494-5380
Fax
(641) 494-5381
NPI assigned
Apr 9, 2012
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 9, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Plastic Surgery within the Head & Neck (Otolaryngology) PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207YX0007X MD44577 IA Primary

Addresses

Primary practice location

250 S Crescent Dr
Mason City, IA 50401-2926

Mailing address

250 S Crescent Dr
Mason City, IA 50401-2926
Phone (641) 494-5400

Other practice location 1

1501 Kings Hwy
Shreveport, LA 71103-4228
Phone (318) 813-2690

Other names 1

  • Trisha Thomspson Former name

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address entnurse@mcclinic.direct-ci.net Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA, MN2 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

Enrollment IDStateProvider typePAC IDDetails
I20170925002204 IA Practitioner - Otolaryngology 1052615531 Reassigns benefits to 2 organizations
I20171010001138 MN Practitioner - Otolaryngology 1052615531

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD44577IAMDPlastic Surgery within the Head & Neck (Otolaryngology) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
North Iowa Mercy Clinics Multi-Specialty CurrentSince Apr 1, 2020 Accepting new patients
North Iowa Mercy Clinics Multi-Specialty Current Accepting new patients
North Iowa Mercy Clinics Multi-Specialty Current Accepting new patients
Floyd County Memorial Hospital Commission Multi-Specialty Past Accepting new patients

Locations

250 S Crescent Dr
Mason City, IA 50401
Phone (541) 422-6588

Interoperability endpoints

  • Direct secure messaging: tthoma253453@uihcdirect.org

Organizations & group practices 5

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.

NPI Registry JSON

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

{
    "created_epoch": "1333929600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757376000000",
    "number": "1770849317",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 S CRESCENT DR",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504012926",
            "telephone_number": "641-494-5400",
            "fax_number": "641-494-5403"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "250 S CRESCENT DR",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504012926",
            "telephone_number": "641-494-5380",
            "fax_number": "641-494-5381"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1501 Kings Hwy",
            "address_purpose": "LOCATION",
            "city": "Shreveport",
            "state": "LA",
            "postal_code": "711034228",
            "country_code": "US",
            "telephone_number": "318-813-2690",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "THOMA",
        "first_name": "TRISHA",
        "middle_name": "LYNN",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2012-04-09",
        "last_updated": "2025-09-09",
        "certification_date": "2025-09-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207YX0007X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Otolaryngology, Plastic Surgery within the Head & Neck",
            "state": "IA",
            "license": "MD44577",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "entnurse@mcclinic.direct-ci.net",
            "affiliation": "N",
            "endpointDescription": "Mason City Clinic Direct Email Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "250 S Crescent Dr",
            "city": "Mason City",
            "state": "IA",
            "country_code": "US",
            "postal_code": "504012926",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "TRISHA",
            "last_name": "THOMSPSON",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Mason City, IA

Sources for this page

Verify at the official NPI Registry.