Dr. Clifford G. Williamson
- Gender: Male
- Experience: 12 years
- Graduated from: East Tennessee State University Quillen College Of Medicine
- Graduation year: 2009
- Sole propriator: No
- NPI: 1154562304
Dr. Clifford G. Williamson MD
Emergency Physician
He is located at 325 North State of Franklin Road in Johnson City, TN 37604. Can help patients with the following: Altitude Sickness, Angina, Choking, Influenza, Nausea and Vomiting, Whiplash. His National Provider Identifier (NPI) number is 1154562304. Appointment can be made via the phone number (423) 439-6283. He is affiliated with 1 hospitals.
Conditions treated
Dr. Clifford G. Williamson, being an emergency 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. Clifford G. Williamson.
- Acute Pain
- Altitude Sickness
- Angina
- Brain Aneurysm
- Brain Hemorrhage
- Broken Bone
- Bruises
- Choking
- Common Cold
- Coronavirus
- Costochondritis
- Febrile Seizure
- Fever
- Frostbite
- General Care
- Headache
- Hematoma
- Influenza
- Insect Stings
- Laceration
- Migraine
- Nausea and Vomiting
- Phlebitis and Thrombophlebitis
- Prescription Refill
- Whiplash
Procedures Performed by Dr. Clifford G. Williamson
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Clifford G. Williamson as in-network for the following 2026 plans.
Health plans
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 15 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Chronic Care CKM | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Diabetes | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | EPO · Gold | Preferred | Accepting new patients |
| Gold Elite | EPO · Gold | Preferred | Accepting new patients |
| Silver Classic | EPO · Silver | Preferred | Accepting new patients |
| Silver Classic Standard | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Breathe Easy with Enhanced COPD Benefits | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits | 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. Clifford G. Williamson 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. Clifford G. Williamson is enrolled to bill Medicare as a Practitioner - Emergency Medicine .
Bills through: Southeastern Emergency Physicians Llc
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
| Boehringer Ingelheim | $22 |
| Csl Behring | $14 |
Other
| Food and Beverage | $37 |
Studies
EAST TENNESSEE STATE UNIVERSITY QUILLEN COLLEGE OF MEDICINE
Graduated in 2009
Looking for more Emergency Physicians?
Out of the 42 emergency physicians in this region, here are 10 randomly selected ones for you to explore.
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- Address: Suite 300 101 Medical Tech Parkway Johnson City, 37604, TN
- Gender: Female
- Address: 400 North State of Franklin Road Johnson City, 37604, TN
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- Address: Suite 100 303 Medical Tech Parkway Johnson City, 37604, TN
- Gender: Male
- Address: 400 North State of Franklin Road Johnson City, 37604, TN
- Gender: Female
- Address: 400 North State of Franklin Road Johnson City, 37604, TN
- Gender: Male
- Address: 400 North State of Franklin Road Johnson City, 37604, TN
- Gender: Male
- Address: 917 West Walnut Street Johnson City, 37604, TN
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- Address: 2001 Highland Avenue Knoxville, 37916, TN
- Gender: Male
- Address: 712 Professional Plaza Drive Greeneville, 37745, TN
Questions & Answers
Does Dr. Clifford G. Williamson accept patients with Oscar Insurance Company?
Yes, Dr. Clifford G. Williamson is listed in-network for Oscar Insurance Company through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. Clifford G. Williamson affiliation with hospitals?
Dr. Clifford G. Williamson is affiliated with SYCAMORE SHOALS HOSPITAL.
Where can you meet with Dr. Clifford G. Williamson?
Dr. Clifford G. Williamson's office is located at 325 North State of Franklin Road in Johnson City, TN 37604.
What conditions does Dr. Clifford G. Williamson treat?
Dr. Clifford G. Williamson provides treatment for Altitude Sickness, Angina, Choking, Influenza, Nausea and Vomiting, Whiplash. For the full list see this list.