Dr. Larissa A. Thomas
- Gender: Female
- Experience: 9 years
- Graduated from: Tulane University School Of Medicine
- Graduation year: 2012
- Sole propriator: No
- NPI: 1720344393
Dr. Larissa A. Thomas M.D.
Family Physician
She is located at 2011 4th Street in La Grande, OR 97850. Can help patients with the following: Aging In Place, Arthritis, Chronic Obstructive Pulmonary Disease (COPD), General Care, Hyperlipidemia, Prescription Refill. Her National Provider Identifier (NPI) number is 1720344393. Appointment can be made via the phone number (541) 963-4139. She is affiliated with 1 practices and 1 hospitals.
Conditions treated
Dr. Larissa Ann Thomas, being an family physician, 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. Larissa A. Thomas.
- Abdominal Pain
- Aging In Place
- Anxiety
- Arthritis
- Asthma
- Autism
- Birth Control Counseling
- Breastfeeding and Lactation
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Diabetes
- Fever
- General Care
- Headache
- Heart Disease
- High Blood Pressure
- Hyperlipidemia
- Hypothyroidism
- Infant Care
- Influenza
- Migraine
- Mold Exposure
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Pregnancy
- Prenatal Care
- Prescription Refill
- Thyroid Disease
- Women's Health
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Larissa A. Thomas as in-network for the following 2026 plans.
Health plans
Moda Health Plan, Inc.
Network data as of Sep 12, 2026, as reported by the insurer.
Show all 13 plans from Moda Health Plan, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Moda Health Affinity Bronze 8000 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Health Affinity Bronze 9000 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Health Affinity Bronze HDHP 7500 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Health Affinity Gold 1000 | EPO · Gold | Preferred | Accepting new patients |
| Moda Health Affinity Gold 1500 | EPO · Gold | Preferred | Accepting new patients |
| Moda Health Affinity Gold 250 | EPO · Gold | Preferred | Accepting new patients |
| Moda Health Affinity Silver 3000 | EPO · Silver | Preferred | Accepting new patients |
| Moda Health Affinity Silver 3400 | EPO · Silver | Preferred | Accepting new patients |
| Moda Health Affinity Silver 4500 | EPO · Silver | Preferred | Accepting new patients |
| Moda Health Affinity Silver 6000 | EPO · Silver | Preferred | Accepting new patients |
| Moda Health Oregon Standard Bronze Affinity | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Health Oregon Standard Gold Affinity | EPO · Gold | Preferred | Accepting new patients |
| Moda Health Oregon Standard Silver Affinity | EPO · Silver | Preferred | Accepting new patients |
PacificSource Health Plans
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 9 plans from PacificSource Health Plans
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Core Bronze HSA 7500 | EPO · Expanded Bronze | Tier Two | Accepting new patients |
| Core Bronze HSA 8300 | EPO · Expanded Bronze | Tier One | Accepting new patients |
| Core Gold 1500 | EPO · Gold | Tier Two | Accepting new patients |
| Core Gold 3000 | EPO · Gold | Tier Two | Accepting new patients |
| Core Silver 4500 | EPO · Silver | Tier Two | Accepting new patients |
| Core Silver 7500 | EPO · Silver | Tier Two | Accepting new patients |
| PacificSource Oregon Standard Bronze HSA Plan Core | EPO · Expanded Bronze | Tier Two | Accepting new patients |
| PacificSource Oregon Standard Gold Plan Core | EPO · Gold | Tier Two | Accepting new patients |
| PacificSource Oregon Standard Silver Plan Core | EPO · Silver | Tier Two | Accepting new patients |
Providence Health Plan
Network data as of Sep 15, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| HSA-E Qualified 7500 Bronze - Signature Network | EPO · Expanded Bronze | EPO | Not accepting new patients |
| Providence Oregon Standard Bronze Plan - Signature Network | EPO · Expanded Bronze | EPO | Not accepting new patients |
| Providence Oregon Standard Gold Plan - Signature Network | EPO · Gold | EPO | Not accepting new patients |
| Providence Oregon Standard Silver Plan - Signature Network | EPO · Silver | EPO | Not 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. Larissa A. Thomas 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. Larissa A. Thomas is enrolled to bill Medicare as a Practitioner - Family Practice (also registered under: Practitioner - Obstetrics/gynecology) .
Bills through: Praxis Health Pc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Merck | $22 |
Other
| Food and Beverage | $22 |
Studies
TULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated in 2012
Looking for more Family Physicians?
Out of the 11 family physicians in this region, here are 10 randomly selected ones for you to explore.
- Gender: Female
- Address: 506 4th Street La Grande, 97850, OR
- Gender: Female
- Address: 506 4th Street La Grande, 97850, OR
- Gender: Male
- Address: Suite C 710 Sunset Drive La Grande, 97850, OR
- Gender: Female
- Address: 506 4th Street La Grande, 97850, OR
- Gender: Female
- Address: 506 4th Street La Grande, 97850, OR
- Gender: Female
- Address: Suite C 710 Sunset Drive La Grande, 97850, OR
- Gender: Male
- Address: 2011 4th Street La Grande, 97850, OR
- Gender: Male
- Address: 503 4th Street La Grande, 97850, OR
- Gender: Male
- Address: 900 Sunset Drive La Grande, 97850, OR
- Gender: Female
- Address: 506 4th Street La Grande, 97850, OR
Questions & Answers
Does Dr. Larissa Ann Thomas accept insurance?
Dr. Larissa Ann Thomas is listed in-network for 26 ACA Marketplace (Obamacare/HealthCare.gov) plans from Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan. See the Marketplace plans section for details.
Does Dr. Larissa Ann Thomas have affiliation with practices?
Dr. Larissa Ann Thomas is affiliated with High Desert Medical Center.
What conditions does Dr. Larissa Ann Thomas treat?
Dr. Larissa Ann Thomas provides treatment for Aging In Place, Arthritis, Chronic Obstructive Pulmonary Disease (COPD), General Care, Hyperlipidemia, Prescription Refill. For the full list see this list.
Where can you meet with Dr. Larissa Ann Thomas?
Dr. Larissa Ann Thomas's office is located at 2011 4th Street in La Grande, OR 97850.
Has Dr. Larissa Ann Thomas affiliation with hospitals?
Dr. Larissa Ann Thomas is affiliated with HARNEY DISTRICT HOSPITAL.