Dr. Gregory A. Gerlock
- Gender: Male
- Experience: 32 years
- Graduated from: Medical College Of Georgia School Of Medicine
- Graduation year: 1989
- Sole propriator: No
- NPI: 1114987740
Dr. Gregory A. Gerlock MD
Emergency Physician
He is located at 1 Medical Park Boulevard in Bristol, TN 37620. Can help patients with the following: Angina, Brain Aneurysm, Choking, Influenza, Migraine, Prescription Refill. His National Provider Identifier (NPI) number is 1114987740. Appointment can be made via the phone number (423) 844-2100. He is affiliated with 2 hospitals.
Conditions treated
Dr. Gregory A. Gerlock, 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. Gregory A. Gerlock.
- 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
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Gregory A. Gerlock as in-network for the following 2026 plans.
Health plans
Cigna Healthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 10 plans from Cigna Healthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Connect Bronze 7500 Indiv Med Deductible | EPO · Bronze | Preferred | Accepting new patients |
| Connect Bronze 8500 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze CMS Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Gold 1500 Indiv Med Deductible | EPO · Gold | Preferred | Accepting new patients |
| Connect Gold CMS Standard | EPO · Gold | Preferred | Accepting new patients |
| Connect myDiabetesCare Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect myDiabetesCare Silver | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver 3000 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver 4500 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver CMS Standard | EPO · Silver | Preferred | Accepting new patients |
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. Gregory A. Gerlock 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. Gregory A. Gerlock is enrolled to bill Medicare as a Practitioner - Emergency Medicine .
Bills through: Wellmont Medical Associates Inc
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
| UCB | $88 |
| E.R. Squibb \u0026 Sons | $72 |
| Janssen | $45 |
Other
| Food and Beverage | $291 |
Studies
MEDICAL COLLEGE OF GEORGIA SCHOOL OF MEDICINE
Graduated in 1989
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Questions & Answers
Where can you meet with Dr. Gregory A. Gerlock?
Dr. Gregory A. Gerlock's office is located at 1 Medical Park Boulevard in Bristol, TN 37620.
Does Dr. Gregory A. Gerlock accept insurance?
Dr. Gregory A. Gerlock is listed in-network for 25 ACA Marketplace (Obamacare/HealthCare.gov) plans from Cigna Healthcare, Oscar Insurance Company. See the Marketplace plans section for details.
Has Dr. Gregory A. Gerlock affiliation with hospitals?
Dr. Gregory A. Gerlock is affiliated with WELLMONT HOLSTON VALLEY MEDICAL CENTER. For the full list of hospitals see this list.
What conditions does Dr. Gregory A. Gerlock treat?
Dr. Gregory A. Gerlock provides treatment for Angina, Brain Aneurysm, Choking, Influenza, Migraine, Prescription Refill. For the full list see this list.