Dr. Jennifer K. Phemister
- Gender: Female
- Experience: 8 years
- Graduated from: East Tennessee State University Quillen College Of Medicine
- Graduation year: 2013
- Sole propriator: No
- NPI: 1598008542
Dr. Jennifer K. Phemister M.D.
Gastroenterologist
She is located at 355 Bmh Physicians Office Building in Maryville, TN 37804. Can help patients with the following: Cirrhosis, Gastroparesis, High Blood Pressure, Hyponatremia, Leaky Gut Syndrome, Pancreatitis. Her National Provider Identifier (NPI) number is 1598008542. Appointment can be made via the phone number (865) 980-5060. She is affiliated with 3 practices and 3 hospitals.
Conditions treated
Dr. Jennifer Phemister, being an gastroenterologist, 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. Jennifer K. Phemister.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Jennifer K. Phemister as in-network for the following 2026 plans.
Health plans
BlueCross BlueShield of Tennessee
Network data as of Aug 25, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BlueCross B16S $50 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Expanded Bronze | Blue Network S | Accepting new patients |
| BlueCross G08S $30 PCP Copay + $0 virtual care from Teladoc Health ® (8 plan variants) | EPO · Gold | Blue Network S | Accepting new patients |
| BlueCross S26S $40 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Silver | Blue Network S | Accepting new patients |
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. Jennifer K. Phemister 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. Jennifer K. Phemister is enrolled to bill Medicare as a Practitioner - Gastroenterology (also registered under: Practitioner - Internal Medicine) .
Bills through: Summit Medical Group, Pllc
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.
Studies
EAST TENNESSEE STATE UNIVERSITY QUILLEN COLLEGE OF MEDICINE
Graduated in 2013Additional Specialities
- Internist
- Resident
Affiliated hospitals
Looking for more Gastroenterologists?
There are 7 other gastroenterologists in this region.
- Gender: Male
- Address: 355 BMH Physicians Office Maryville, 37804, TN
- Gender: Male
- Address: 1706 East Lamar Alexander Parkway Maryville, 37804, TN
- Gender: Male
- Address: 355 BMH Physicians Office Maryville, 37804, TN
- Gender: Male
- Address: 100 Hitchcock Way Manchester, 3104, NH
- Gender: Female
- Address: 1706 East Lamar Alexander Parkway Maryville, 37804, TN
- Gender: Male
- Address: 1706 East Lamar Alexander Parkway Maryville, 37804, TN
- Gender: Male
- Address: 1706 East Lamar Alexander Parkway Maryville, 37804, TN
- Gender: Male
- Address: 1706 East Lamar Alexander Parkway Maryville, 37804, TN
Questions & Answers
What conditions does Dr. Jennifer Phemister treat?
Dr. Jennifer Phemister provides treatment for Cirrhosis, Gastroparesis, High Blood Pressure, Hyponatremia, Leaky Gut Syndrome, Pancreatitis. For the full list see this list.
Does Dr. Jennifer Phemister accept insurance?
Dr. Jennifer Phemister is listed in-network for 28 ACA Marketplace (Obamacare/HealthCare.gov) plans from BlueCross BlueShield of Tennessee, Cigna Healthcare, Oscar Insurance Company. See the Marketplace plans section for details.
Has Dr. Jennifer Phemister affiliation with hospitals?
Dr. Jennifer Phemister is affiliated with PHYSICIANS REGIONAL MEDICAL CENTER. For the full list of hospitals see this list.
Where can you meet with Dr. Jennifer Phemister?
Dr. Jennifer Phemister's office is located at 355 Bmh Physicians Office Building in Maryville, TN 37804.
Does Dr. Jennifer Phemister have affiliation with practices?
Dr. Jennifer Phemister is affiliated with Baptist Hospital West. For the full list of practices see this list.