Dr. Clarissa G. Barnes
- Gender: Female
- Experience: 13 years
- Graduated from: Johns Hopkins University School Of Medicine
- Graduation year: 2008
- Sole propriator: No
- NPI: 1770758757
Dr. Clarissa G. Barnes M.D.
Internist
She is located at 1104 West 8th Street in Yankton, SD 57078. Can help patients with the following: Chest Pain, Fever, Hiatal Hernia, Hot Flashes, Nausea and Vomiting, Urethritis. Her National Provider Identifier (NPI) number is 1770758757. Appointment can be made via the phone number (605) 665-7841. She is affiliated with 1 practices and 3 hospitals.
Conditions treated
Dr. Clarissa Grace Barnes, being an internist, 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. Clarissa G. Barnes.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Clarissa G. Barnes
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Clarissa G. Barnes as in-network for the following 2026 plans.
Health plans
Wellmark of South Dakota, Inc.
Network data as of Sep 8, 2026, as reported by the insurer.
Show all 7 plans from Wellmark of South Dakota, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Wellmark Bronze HDHP EPO HSA Qualified (2 plan variants) | EPO · Expanded Bronze | Bluerx Essentials | Accepting new patients |
| Wellmark Bronze Traditional EPO (2 plan variants) | EPO · Expanded Bronze | Bluerx Essentials | Accepting new patients |
| Wellmark Gold Traditional EPO (2 plan variants) | EPO · Gold | Bluerx Essentials | Accepting new patients |
| Wellmark Silver Traditional EPO (2 plan variants) | EPO · Silver | Bluerx Essentials | Accepting new patients |
| Wellmark Standard Bronze EPO (2 plan variants) | EPO · Expanded Bronze | Bluerx Essentials | Accepting new patients |
| Wellmark Standard Gold EPO (2 plan variants) | EPO · Gold | Bluerx Essentials | Accepting new patients |
| Wellmark Standard Silver EPO (2 plan variants) | EPO · Silver | Bluerx Essentials | 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. Clarissa G. Barnes 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. Clarissa G. Barnes is enrolled to bill Medicare as a Practitioner - Internal Medicine .
Bills through: Avera Mckennan
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
| Janssen | $217 |
| Amgen | $193 |
| Lilly | $158 |
Other
| Food and Beverage | $1128 |
Studies
JOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated in 2008
Affiliated hospitals
Looking for more Internists?
Out of the 20 internists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: 915 East 1st Street Duluth, 55805, MN
- Gender: Male
- Address: 1104 West 8th Street Yankton, 57078, SD
- Gender: Male
- Address: 1104 West 8th Street Yankton, 57078, SD
- Gender: Male
- Address: 1104 West 8th Street Yankton, 57078, SD
- Gender: Female
- Address: 1775 Grand Concourse Floor 1 Bronx, 10453, NY
- Gender: Female
- Address: 1104 West 8th Street Yankton, 57078, SD
- Gender: Male
- Address: 1104 West 8th Street Yankton, 57078, SD
- Gender: Male
- Address: 1104 West 8th Street Yankton, 57078, SD
- Gender: Male
- Address: 1104 West 8th Street Yankton, 57078, SD
- Gender: Female
- Address: 1104 West 8th Street Yankton, 57078, SD
Questions & Answers
Does Dr. Clarissa Grace Barnes accept patients with Wellmark of South Dakota, Inc.?
Yes, Dr. Clarissa Grace Barnes is listed in-network for Wellmark of South Dakota, Inc. through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. Clarissa Grace Barnes treat?
Dr. Clarissa Grace Barnes provides treatment for Chest Pain, Fever, Hiatal Hernia, Hot Flashes, Nausea and Vomiting, Urethritis. For the full list see this list.
Has Dr. Clarissa Grace Barnes affiliation with hospitals?
Dr. Clarissa Grace Barnes is affiliated with AVERA MCKENNAN HOSPITAL & UNIVERSITY HEALTH CENTER. For the full list of hospitals see this list.
Where can you meet with Dr. Clarissa Grace Barnes?
Dr. Clarissa Grace Barnes's office is located at 1104 West 8th Street in Yankton, SD 57078.
Does Dr. Clarissa Grace Barnes have affiliation with practices?
Dr. Clarissa Grace Barnes is affiliated with Yankton Medical Clinic.