Dr. Clarissa M. Johnston
- Gender: Female
- Experience: 26 years
- Graduated from: University Of California, San Francisco School Of Medicine
- Graduation year: 1995
- Sole propriator: No
- NPI: 1649342445
Dr. Clarissa M. Johnston MD
Surgeon
She is located at 601 East 15th Street in Austin, TX 78701. Can help patients with the following: Appendicitis, Boils, Hernia, Hot Flashes, Influenza, Nausea and Vomiting. Her National Provider Identifier (NPI) number is 1649342445. Appointment can be made via the phone number (512) 324-1000. She is affiliated with 1 practices and 1 hospitals.
Conditions treated
Dr. Clarissa M. Johnston, being an surgeon, 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 M. Johnston.
- Abdominal Pain
- Achalasia
- Acute Pain
- Anal Fissure
- Anemia
- Appendicitis
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Boils
- Cancer
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Colon Cancer
- Common Cold
- Constipation
- Crohn's Disease
- Cyst
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Enlarged Spleen
- Esophageal Cancer
- Fever
- Gallstones
- Gangrene
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hemorrhoids
- Hernia
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Lymphedema
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreatitis
- Peptic Ulcer
- Pilonidal Cyst
- Prescription Refill
- Sebaceous Cyst
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Insurances Accepted by Dr. Clarissa M. Johnston
- Oscar
Medicare Enrollment
Dr. Clarissa M. Johnston is enrolled to bill Medicare as a Practitioner - Hospice/palliative Care (also registered under: Practitioner - Internal Medicine) .
Bills through: Hospitalist Medicine Physicians Of Texas Pllc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.
Studies
UNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated in 1995Additional Specialities
- Hospitalist
- Internist
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Questions & Answers
Does Dr. Clarissa M. Johnston have affiliation with practices?
Dr. Clarissa M. Johnston is affiliated with Seton Family of Doctors at Chisholm Trail.
Has Dr. Clarissa M. Johnston affiliation with hospitals?
Dr. Clarissa M. Johnston is affiliated with DELL SETON MED CENTER AT THE UNIVERSITY OF TX.
Does Dr. Clarissa M. Johnston accept patients with Oscar?
Yes, Dr. Clarissa M. Johnston accepts patients with Oscar.
Where can you meet with Dr. Clarissa M. Johnston?
Dr. Clarissa M. Johnston's office is located at 601 East 15th Street in Austin, TX 78701.
What conditions does Dr. Clarissa M. Johnston treat?
Dr. Clarissa M. Johnston provides treatment for Appendicitis, Boils, Hernia, Hot Flashes, Influenza, Nausea and Vomiting. For the full list see this list.