Dr. Koyamagal Krishnan
- Gender: Male
- Experience: 37 years
- Graduation year: 1984
- Sole propriator: No
- NPI: 1144241464
Dr. Koyamagal Krishnan MD
Oncologist
He is located at 1 Professional Park Drive Ste 21 in Johnson City, TN 37604. Can help patients with the following: Anemia, Hyperlipidemia, Hyponatremia, Kidney Cancer, Non-Hodgkin's Lymphoma (NHL), Uterine Cancer. His National Provider Identifier (NPI) number is 1144241464. Appointment can be made via the phone number (423) 232-6900. He is affiliated with 2 practices and 3 hospitals.
Conditions treated
Dr. Koyamangalath Krishnan, being an oncologist, 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. Koyamagal Krishnan.
- Abdominal Pain
- Acute Pain
- Anal Cancer
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Basal Cell Carcinoma
- Bile Duct Cancer
- Bladder Cancer
- Bladder Control
- Bone Cancer
- Brain Cancer
- Breast Cancer
- Cancer
- Carcinoid Tumor
- Carcinoma
- Cervical Cancer
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Colon Cancer
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Esophageal Cancer
- Fever
- Gallbladder Cancer
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Glioma
- Head and Neck Cancer
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hodgkin's Disease
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Kidney Cancer
- Larynx Cancer
- Leukemia
- Liver Cancer
- Lung Cancer
- Melanoma
- Mesothelioma
- Migraine
- Nasopharyngeal Cancer
- Nausea and Vomiting
- Neoplasm
- Neuroblastoma
- Non-Hodgkin's Lymphoma (NHL)
- Obesity
- Oral Cancer
- Osteoporosis
- Ovarian Cancer
- Pancreatic Cancer
- Penis Cancer
- Peptic Ulcer
- Pheochromocytoma (PCC)
- Polycythemia
- Prescription Refill
- Prostate Cancer
- Retinoblastoma
- Salivary Gland Cancer
- Sarcoma
- Skin Cancer
- Stomach Cancer
- Testicular Cancer
- Thymoma
- Thyroid Cancer
- Urethral Cancer
- Urethritis
- Urinary Tract Infection (UTI)
- Uterine Cancer
- Vaginal Cancer
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Koyamagal Krishnan 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 |
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. Koyamagal Krishnan 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. Koyamagal Krishnan is enrolled to bill Medicare as a Practitioner - Medical Oncology (also registered under: Practitioner - Internal Medicine, Practitioner - Hematology/oncology) .
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
| Astellas Pharma | $16 |
Other
| Food and Beverage | $17 |
Studies
Graduated in 1984Additional Specialities
- Internist
Affiliated hospitals
Looking for more Oncologists?
There are 6 other oncologists in this region.
- Gender: Male
- Address: 1410 Tusculum Boulevard Suite 2200 Greeneville, 37745, TN
- Gender: Female
- Address: 16761 South Park Center Strongsville, 44136, OH
- Gender: Male
- Address: 4 Sheridan Square Suite 102 Kingsport, 37660, TN
- Gender: Female
- Address: Floor 2 325 North State of Franklin Road Johnson City, 37604, TN
- Gender: Male
- Address: Suite 21 1 Professional Park Drive Johnson City, 37604, TN
- Gender: Female
- Address: Suite 24 408 North State of Franklin Road Johnson City, 37604, TN
Questions & Answers
Does Dr. Koyamangalath Krishnan have affiliation with practices?
Dr. Koyamangalath Krishnan is affiliated with Ballad Health Medical Associates. For the full list of practices see this list.
Does Dr. Koyamangalath Krishnan accept insurance?
Dr. Koyamangalath Krishnan is listed in-network for 10 ACA Marketplace (Obamacare/HealthCare.gov) plans from Cigna Healthcare. See the Marketplace plans section for details.
What conditions does Dr. Koyamangalath Krishnan treat?
Dr. Koyamangalath Krishnan provides treatment for Anemia, Hyperlipidemia, Hyponatremia, Kidney Cancer, Non-Hodgkin's Lymphoma (NHL), Uterine Cancer. For the full list see this list.
Where can you meet with Dr. Koyamangalath Krishnan?
Dr. Koyamangalath Krishnan's office is located at 1 Professional Park Drive Ste 21 in Johnson City, TN 37604.
Has Dr. Koyamangalath Krishnan affiliation with hospitals?
Dr. Koyamangalath Krishnan is affiliated with JOHNSON CITY MEDICAL CENTER. For the full list of hospitals see this list.