Dr. Richard O. Buck
- Gender: Male
- Experience: 50 years
- Graduated from: University Of Rochester School Of Medicine And Dentistry
- Graduation year: 1971
- Sole propriator: Yes
- NPI: 1730166828
Dr. Richard O. Buck MD
Allergist and Immunologist
He is located at 2201 Willamette Street Suite C in Eugene, OR 97405. Can help patients with the following: Contact Dermatitis, Hay Fever, Mold Exposure, Peanut Allergy, Pink Eye, Sinusitis. His National Provider Identifier (NPI) number is 1730166828. Appointment can be made via the phone number (541) 683-0730. He is affiliated with 2 practices.
Conditions treated
Dr. Richard Otis Buck, being an allergist and immunologist, 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. Richard O. Buck.
- Allergic Reaction
- Allergies
- Asthma
- Celiac Disease
- Chronic Rhinitis
- Contact Dermatitis
- Eosinophilic Esophagitis
- Eye Allergy
- Food Allergies
- Food Allergy
- Hay Fever
- Lactose Intolerance
- Mold Exposure
- Peanut Allergy
- Pink Eye
- Plant Contact Allergy
- Sinusitis
Procedures Performed by Dr. Richard O. Buck
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Richard O. Buck 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 |
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. Richard O. Buck 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. Richard O. Buck is enrolled to bill Medicare as a Practitioner - Allergy/immunology .
Bills through: Lane County Oregon
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
| Sunovion Pharmaceuticals | $140 |
| Genentech | $120 |
| GlaxoSmithKline | $85 |
Other
| Food and Beverage | $531 |
Studies
UNIVERSITY OF ROCHESTER SCHOOL OF MEDICINE AND DENTISTRY
Graduated in 1971
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Questions & Answers
Where can you meet with Dr. Richard Otis Buck?
Dr. Richard Otis Buck's office is located at 2201 Willamette Street Suite C in Eugene, OR 97405.
Does Dr. Richard Otis Buck accept patients with PacificSource Health Plans?
Yes, Dr. Richard Otis Buck is listed in-network for PacificSource Health Plans through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. Richard Otis Buck treat?
Dr. Richard Otis Buck provides treatment for Contact Dermatitis, Hay Fever, Mold Exposure, Peanut Allergy, Pink Eye, Sinusitis. For the full list see this list.
Does Dr. Richard Otis Buck have affiliation with practices?
Dr. Richard Otis Buck is affiliated with Praxis Medical Group. For the full list of practices see this list.