Dr. Trisha L. Thoma
- Gender: Female
- Experience: 9 years
- Graduated from: University Of Iowa, Rj & L Carver College Of Medicine
- Graduation year: 2012
- Sole propriator: Yes
- NPI: 1770849317
Dr. Trisha L. Thoma M.D.
Otolaryngologist
She is located at 250 South Crescent Drive in Mason City, IA 50401. Can help patients with the following: Bad Breath, Chronic Rhinitis, Ear Wax, Eye Allergy, Impacted Earwax, Oral Cancer. Her National Provider Identifier (NPI) number is 1770849317. Appointment can be made via the phone number (641) 494-5380. She is affiliated with 3 hospitals.
Conditions treated
Dr. Trisha Lynn Thoma, being an otolaryngologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Trisha L. Thoma.
- Allergic Reaction
- Assistive Listening Devices
- Auditory Processing Disorder
- Aural Rehabilitation
- Bad Breath
- Cancer
- Cauliflower Ear
- Chronic Cough
- Chronic Rhinitis
- Cleft Palate and Cleft Lip
- Deafness
- Deviated Septum
- Dizziness
- Ear Infection
- Ear Wax
- Eustachian Tube Problems
- Eye Allergy
- Hay Fever
- Headache
- Hearing Conservation
- Impacted Earwax
- Inner Ear Disorders
- Laryngitis
- Middle Ear Infection
- Nasal Polyps
- Newborn or Infant Hearing Screening
- Noise Sensitivity
- Noise-Induced Hearing Loss (NIHL)
- Nosebleed
- Oral Cancer
- Otoacoustic Emission Test (OAE)
- Peripheral Nerve Tumors
- Sinus Tract
- Sinusitis
- Sleep Apnea
- Sleep Disorders
- Sore Throat
- Swallowing Disorders
- Swimmer's Ear
- Taste Disorders
- Tinnitus
- Tongue Problems
- Usher Syndrome
- Vertigo
- Vestibular Testing
Procedures Performed by Dr. Trisha L. Thoma
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Trisha L. Thoma as in-network for the following 2026 plans.
Health plans
Ambetter Health
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Ambetter Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Complete Gold | HMO · Gold | Preferred | Accepting new patients at some locations |
| Complete Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients at some locations |
| Elite Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Elite Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Everyday Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Everyday Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Everyday Gold | HMO · Gold | Preferred | Accepting new patients at some locations |
| Everyday Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients at some locations |
| Focused Silver | HMO · Silver | Preferred | Accepting new patients at some locations |
| Focused Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients at some locations |
| Standard Expanded Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Standard Expanded Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Standard Gold | HMO · Gold | Preferred | Accepting new patients at some locations |
| Standard Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients at some locations |
| Standard Silver | HMO · Silver | Preferred | Accepting new patients at some locations |
| Standard Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients at some locations |
Medica
Network data as of Sep 22, 2025, as reported by the insurer.
Show all 9 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Medica Insure Bronze $0 Copay PCP Visits | EPO · Expanded Bronze | Standardtier | Accepting new patients |
| Medica Insure Bronze Share | EPO · Expanded Bronze | Standardtier | Accepting new patients |
| Medica Insure Expanded Bronze Standard | EPO · Expanded Bronze | Standardtier | Accepting new patients |
| Medica Insure Gold $0 Copay PCP Visits | EPO · Gold | Standardtier | Accepting new patients |
| Medica Insure Gold Share | EPO · Gold | Standardtier | Accepting new patients |
| Medica Insure Gold Standard | EPO · Gold | Standardtier | Accepting new patients |
| Medica Insure Silver $0 Copay PCP Visits | EPO · Silver | Standardtier | Accepting new patients |
| Medica Insure Silver Share | EPO · Silver | Standardtier | Accepting new patients |
| Medica Insure Silver Standard | EPO · Silver | Standardtier | Accepting new patients |
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Chronic Care CKM | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Diabetes | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | MercyOne | EPO · Gold | Preferred | Accepting new patients |
| Gold Elite | MercyOne | EPO · Gold | Preferred | Accepting new patients |
| Secure | MercyOne | EPO · Catastrophic | Preferred | Accepting new patients |
| Silver Classic Standard | MercyOne | EPO · Silver | Preferred | Accepting new patients |
| Silver Classic | MercyOne | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Breathe Easy with Enhanced COPD Benefits | MercyOne | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | MercyOne | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | MercyOne | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | MercyOne | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits | MercyOne | EPO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Trisha L. Thoma is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Trisha L. Thoma is enrolled to bill Medicare as a Practitioner - Otolaryngology .
Bills through: North Iowa Mercy Clinics
Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Lumenis | $1000 |
| Entellus Medical | $585 |
| Medical Device Business Services | $90 |
Other
| Promotional Speaking or Service | $1000 |
| Travel and Lodging | $523 |
| Food and Beverage | $423 |
Studies
UNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated in 2012Additional Specialities
- Resident
Affiliated hospitals
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Questions & Answers
Does Dr. Trisha Lynn Thoma accept patients with Oscar Insurance Company?
Yes, Dr. Trisha Lynn Thoma is listed in-network for Oscar Insurance Company through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Trisha Lynn Thoma?
Dr. Trisha Lynn Thoma's office is located at 250 South Crescent Drive in Mason City, IA 50401.
What conditions does Dr. Trisha Lynn Thoma treat?
Dr. Trisha Lynn Thoma provides treatment for Bad Breath, Chronic Rhinitis, Ear Wax, Eye Allergy, Impacted Earwax, Oral Cancer. For the full list see this list.
Has Dr. Trisha Lynn Thoma affiliation with hospitals?
Dr. Trisha Lynn Thoma is affiliated with MERCY MEDICAL CENTER-NORTH IOWA. For the full list of hospitals see this list.