Dr. Robert R. Geier
- Gender: Male
- Sole propriator: No
- NPI: 1336673102
Dr. Robert R. Geier
Endocrinologist
He is located at 1450 Dowell Springs Boulevard Suite 300 in Knoxville, TN 37909. Can help patients with the following: Carcinoid Tumor, Hyperlipidemia, Obesity, Thyroid Cancer, Thyroiditis, Wilson-Turner Syndrome. His National Provider Identifier (NPI) number is 1336673102. Appointment can be made via the phone number (656) 378-8128.
Conditions treated
Dr. Robert Randal Geier, being an endocrinologist, 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. Robert R. Geier.
- Achondroplasia
- Addison's Disease
- Amyloidosis
- Bone Loss
- Carcinoid Tumor
- Cushing's Syndrome
- Diabetes
- Diabetes Insipidus (DI)
- Diabetes Mellitus (DM) Type 1
- Diabetes Mellitus (DM) Type 2
- Diabetic Neuropathy
- Fertility
- Goiter
- Graves' Disease
- Growth Hormone Imbalance
- Gynecomastia
- Hypercalcemia
- Hyperglycemia
- Hyperlipidemia
- Hyperparathyroidism
- Hyperthyroidism
- Hypocalcemia
- Hypoglycemia
- Hypoparathyroidism
- Hypothyroidism
- Insulin Resistance (IR)
- Low Testosterone
- Metabolic Syndrome
- Obesity
- Osteoporosis
- Thyroid Cancer
- Thyroid Disease
- Thyroiditis
- Vitamin D Deficiency
- Wilson-Turner Syndrome
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Robert R. Geier 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.
Show all 12 plans from BlueCross BlueShield of Tennessee
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BlueCross B15E $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Bronze | Blue Network E | Accepting new patients |
| BlueCross B16E $50 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Expanded Bronze | Blue Network E | Accepting 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 B17E $0 virtual care from Teladoc Health® + Adult Dental (8 plan variants) | EPO · Bronze | Blue Network E | Accepting new patients |
| BlueCross B19E $60 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Expanded Bronze | Blue Network E | Accepting new patients |
| BlueCross G08E $30 PCP Copay + $0 virtual care from Teladoc Health ® (8 plan variants) | EPO · Gold | Blue Network E | 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 S26E $40 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Silver | Blue Network E | 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 |
| BlueCross S27E $60 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Silver | Blue Network E | Accepting new patients |
| BlueCross S29E $60 PCP Copay + $0 virtual care from Teladoc Health® + Adult Dental (8 plan variants) | EPO · Silver | Blue Network E | Accepting new patients |
| BlueCross S34E $45 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Silver | Blue Network E | 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 |
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. Robert R. Geier 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. Robert R. Geier is enrolled to bill Medicare as a Practitioner - Endocrinology .
Bills through: Endocrinology Consultants Of East Tn
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.
Additional Specialities
- Resident
Looking for more Endocrinologists?
There are 8 other endocrinologists in this region.
- Gender: Male
- Address: Suite 300 1450 Dowell Springs Boulevard Knoxville, 37909, TN
- Gender: Female
- Address: Suite 210 1400 Dowell Springs Boulevard Knoxville, 37909, TN
- Gender: Male
- Address: Suite 300 1450 Dowell Springs Boulevard Knoxville, 37909, TN
- Gender: Male
- Address: Suite 300 1450 Dowell Springs Boulevard Knoxville, 37909, TN
- Gender: Male
- Address: Suite 300 1450 Dowell Springs Boulevard Knoxville, 37909, TN
- Gender: Male
- Address: Suite 300 1450 Dowell Springs Boulevard Knoxville, 37909, TN
- Gender: Male
- Address: Suite 300 1450 Dowell Springs Boulevard Knoxville, 37909, TN
- Gender: Male
- Address: Suite 300 1450 Dowell Springs Boulevard Knoxville, 37909, TN
- Gender: Male
- Address: Suite 300 1450 Dowell Springs Boulevard Knoxville, 37909, TN
Questions & Answers
Does Dr. Robert Randal Geier accept insurance?
Dr. Robert Randal Geier is listed in-network for 22 ACA Marketplace (Obamacare/HealthCare.gov) plans from BlueCross BlueShield of Tennessee, Cigna Healthcare. See the Marketplace plans section for details.
What conditions does Dr. Robert Randal Geier treat?
Dr. Robert Randal Geier provides treatment for Carcinoid Tumor, Hyperlipidemia, Obesity, Thyroid Cancer, Thyroiditis, Wilson-Turner Syndrome. For the full list see this list.
Where can you meet with Dr. Robert Randal Geier?
Dr. Robert Randal Geier's office is located at 1450 Dowell Springs Boulevard Suite 300 in Knoxville, TN 37909.