Dr. Robert Edwin Exten
Dr. Robert E. Exten
Last updated: Aug 21, 2023

Dr. Robert E. Exten

  • Gender: Male
  • Experience: 46 years
  • Graduated from: Ohio State University College Of Medicine
  • Graduation year: 1975
  • Sole propriator: No
  • NPI: 1205832375

Dr. Robert E. Exten JR. MD

Hematologist

He is located at 803 West Market Street Suite 200 in Lima, OH 45805. Can help patients with the following: Anemia, Bile Duct Cancer, Neuroblastoma, Non-Hodgkin's Lymphoma (NHL), Pheochromocytoma (PCC), Prostate Cancer. His National Provider Identifier (NPI) number is 1205832375. Appointment can be made via the phone number (419) 222-3737. He also has a website where you can get more information. The website can be found at https://www.ohiohealth.com/find-a-doctor/profile/2628/Robert-E-Exten-MD. He is affiliated with 3 practices and 5 hospitals.

Conditions treated

Dr. Robert Edwin Exten, being an hematologist, 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 E. Exten.

  • Anal Cancer
  • Anemia
  • Basal Cell Carcinoma
  • Beta Thalassemia
  • Bile Duct Cancer
  • Bladder Cancer
  • Blood Clots
  • Bone Cancer
  • Brain Cancer
  • Breast Cancer
  • Cancer
  • Carcinoid Tumor
  • Carcinoma
  • Cervical Cancer
  • Colon Cancer
  • Deep Vein Thrombosis (DVT)
  • Esophageal Cancer
  • Gallbladder Cancer
  • Glioma
  • Head and Neck Cancer
  • Heart Disease
  • Hemophilia
  • Hodgkin's Disease
  • Idiopathic Thrombocytopenic Purpura (ITP)
  • Kidney Cancer
  • Larynx Cancer
  • Leukemia
  • Liver Cancer
  • Lung Cancer
  • Melanoma
  • Mesothelioma
  • Multiple Myeloma
  • Nasopharyngeal Cancer
  • Neoplasm
  • Neuroblastoma
  • Neutropenia
  • Non-Hodgkin's Lymphoma (NHL)
  • Oral Cancer
  • Ovarian Cancer
  • Pancreatic Cancer
  • Penis Cancer
  • Pernicious Anemia
  • Pheochromocytoma (PCC)
  • Polycythemia
  • Prostate Cancer
  • Pulmonary Embolism (PE)
  • Retinoblastoma
  • Salivary Gland Cancer
  • Sarcoma
  • Sickle Cell Anemia
  • Skin Cancer
  • Stomach Cancer
  • Testicular Cancer
  • Thalassemia
  • Thrombocytopenia
  • Thymoma
  • Thyroid Cancer
  • Urethral Cancer
  • Uterine Cancer
  • Vaginal Cancer

Procedures Performed by Dr. Robert E. Exten

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Robert E. Exten as in-network for the following 2026 plans.

Health plans

Antidote Health Plan of Ohio, Inc.

Network data as of Nov 9, 2025, as reported by the insurer.

Show all 15 plans from Antidote Health Plan of Ohio, Inc.
Antidote Health Plan of Ohio, Inc. plans
Plan Plan type Network tier New patients
Bronze Complete 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx HMO · Expanded Bronze Tierone Not accepting new patients
Bronze Complete+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx HMO · Expanded Bronze Tierone Not accepting new patients
Bronze Elite 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx HMO · Expanded Bronze Tierone Not accepting new patients
Bronze Elite+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx HMO · Expanded Bronze Tierone Not accepting new patients
Bronze Standard HMO · Expanded Bronze Tierone Not accepting new patients
Gold Complete 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx HMO · Gold Tierone Not accepting new patients
Gold Complete+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx HMO · Gold Tierone Not accepting new patients
Gold Elite 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx HMO · Gold Tierone Not accepting new patients
Gold Elite+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx HMO · Gold Tierone Not accepting new patients
Gold Standard HMO · Gold Tierone Not accepting new patients
Silver Complete 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx HMO · Silver Tierone Not accepting new patients
Silver Complete+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx HMO · Silver Tierone Not accepting new patients
Silver Elite 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx HMO · Silver Tierone Not accepting new patients
Silver Elite+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx HMO · Silver Tierone Not accepting new patients
Silver Standard HMO · Silver Tierone Not accepting new patients

CareSource

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 21 plans from CareSource
CareSource plans
Plan Plan type Network tier New patients
Bronze 7500 $25 Generic Drugs HMO · Expanded Bronze Preferred Accepting new patients
Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness HMO · Expanded Bronze Preferred Accepting new patients
Core Gold 1500 $10 Generic Drugs HMO · Gold Preferred Accepting new patients
Core Gold 1500 $10 Generic Drugs + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
Diabetes Gold 3000 $0 Chronic Care Drugs & Services HMO · Gold Preferred Accepting new patients
Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
Diabetes Silver 5000 $0 Chronic Care Drugs & Services HMO · Silver Preferred Accepting new patients
Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients
Gold 2000 $15 Generic Drugs HMO · Gold Preferred Accepting new patients
Gold 2000 $15 Generic Drugs + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
HDHP Preventive Silver 5500 $0 Chronic Care Drugs HMO · Silver Preferred Accepting new patients
Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services HMO · Gold Preferred Accepting new patients
Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services HMO · Silver Preferred Accepting new patients
Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients
Low Premium Bronze 10600 $25 Generic Drugs HMO · Expanded Bronze Preferred Accepting new patients
Low Premium Bronze 10600 $25 Generic Drugs + Adult Vision & Fitness HMO · Expanded Bronze Preferred Accepting new patients
Low Premium Silver 6200 $3 Generic Drugs HMO · Silver Preferred Accepting new patients
Low Premium Silver 6200 $3 Generic Drugs + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients
Silver 6000 $20 Generic Drugs HMO · Silver Preferred Accepting new patients
Silver 6000 $20 Generic Drugs + Adult Vision & Fitness HMO · 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 E. Exten is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Robert E. Exten is enrolled to bill Medicare as a Practitioner - Hematology/oncology (also registered under: Practitioner - Internal Medicine) .

Bills through: Ohiohealth Corporation

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

OHIO STATE UNIVERSITY COLLEGE OF MEDICINE

Graduated in 1975

Other ways to reach out

  • Website: https://www.ohiohealth.com/find-a-doctor/profile/2628/Robert-E-Exten-MD

Additional Specialities

  • Oncologist

Affiliated practices

Crawford County Health & Urgent Care Center
1820 East Mansfield Street
Bucyrus, 44820 OH
(419) 562-1413
Woodside Medical Group
475 Lexington Avenue
Mansfield, 44907 OH
(419) 756-2003
Mid State Physicians
199 West Main Street
Shelby, 44875 OH
(419) 342-5015

Affiliated hospitals

RIVERSIDE METHODIST HOSPITAL
3535 OLENTANGY RIVER RD
COLUMBUS, 43214 OH
(614) 566-5000
OHIOHEALTH MANSFIELD HOSPITAL
335 GLESSNER AVENUE
MANSFIELD, 44903 OH
(419) 526-8000
MARION GENERAL HOSPITAL
1000 MCKINLEY PARK DRIVE
MARION, 43302 OH
(740) 383-8400
UNIVERSITY HOSPITALS SAMARITAN MEDICAL CENTER
1025 CENTER ST
ASHLAND, 44805 OH
(419) 289-0491
OHIOHEALTH SHELBY HOSPITAL
199 WEST MAIN STREET
SHELBY, 44875 OH
(419) 342-5015

Questions & Answers

Does Dr. Robert Edwin Exten accept patients with CareSource?

Yes, Dr. Robert Edwin Exten is listed in-network for CareSource through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

Does Dr. Robert Edwin Exten have affiliation with practices?

Dr. Robert Edwin Exten is affiliated with Crawford County Health & Urgent Care Center. For the full list of practices see this list.

Where can you meet with Dr. Robert Edwin Exten?

Dr. Robert Edwin Exten's office is located at 803 West Market Street Suite 200 in Lima, OH 45805.

Has Dr. Robert Edwin Exten affiliation with hospitals?

Dr. Robert Edwin Exten is affiliated with RIVERSIDE METHODIST HOSPITAL. For the full list of hospitals see this list.

What conditions does Dr. Robert Edwin Exten treat?

Dr. Robert Edwin Exten provides treatment for Anemia, Bile Duct Cancer, Neuroblastoma, Non-Hodgkin's Lymphoma (NHL), Pheochromocytoma (PCC), Prostate Cancer. For the full list see this list.