Dr. Glenn G. Preston
- Gender: Male
- Experience: 26 years
- Graduated from: University Of Missouri, Columbia School Of Medicine
- Graduation year: 1995
- Sole propriator: No
- NPI: 1194796243
Dr. Glenn G. Preston M.D.
Hematology and Oncology Specialist
He is located at 1200 1st Avenue East Abben Cancer Center in Spencer, IA 51301. Can help patients with the following: Bone Cancer, Common Cold, Hemophilia, Leukemia, Pernicious Anemia, Urethritis. His National Provider Identifier (NPI) number is 1194796243. Appointment can be made via the phone number (712) 264-6550. He is affiliated with 3 practices and 5 hospitals.
Conditions treated
Dr. Glenn Geoffrey Preston, being an hematology and oncology specialist, 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. Glenn G. Preston.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Beta Thalassemia
- Bladder Control
- Bone Cancer
- Cancer
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Deep Vein Thrombosis (DVT)
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hemophilia
- Hiatal Hernia
- High Blood Pressure
- Hodgkin's Disease
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Idiopathic Thrombocytopenic Purpura (ITP)
- Influenza
- Inguinal Hernia
- Leukemia
- Migraine
- Multiple Myeloma
- Nausea and Vomiting
- Neutropenia
- Non-Hodgkin's Lymphoma (NHL)
- Obesity
- Osteoporosis
- Peptic Ulcer
- Pernicious Anemia
- Polycythemia
- Prescription Refill
- Pulmonary Embolism (PE)
- Sickle Cell Anemia
- Thalassemia
- Thrombocytopenia
- Urethritis
- Urinary Tract Infection (UTI)
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Glenn G. Preston as in-network for the following 2026 plans.
Health plans
Medica
Network data as of Feb 19, 2024, as reported by the insurer.
Show all 9 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Medica Insure Bronze $0 Copay PCP Visits | EPO · Expanded Bronze | Preferredtier | Accepting new patients |
| Medica Insure Bronze Share | EPO · Expanded Bronze | Preferredtier | Accepting new patients |
| Medica Insure Expanded Bronze Standard | EPO · Expanded Bronze | Preferredtier | Accepting new patients |
| Medica Insure Gold $0 Copay PCP Visits | EPO · Gold | Preferredtier | Accepting new patients |
| Medica Insure Gold Share | EPO · Gold | Preferredtier | Accepting new patients |
| Medica Insure Gold Standard | EPO · Gold | Preferredtier | Accepting new patients |
| Medica Insure Silver $0 Copay PCP Visits | EPO · Silver | Preferredtier | Accepting new patients |
| Medica Insure Silver Share | EPO · Silver | Preferredtier | Accepting new patients |
| Medica Insure Silver Standard | EPO · Silver | Preferredtier | 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. Glenn G. Preston 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. Glenn G. Preston is enrolled to bill Medicare as a Practitioner - Hematology/oncology .
Bills through: Spencer Municipal Hospital
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
| Celgene | $32 |
Other
| Food and Beverage | $32 |
Studies
UNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Graduated in 1995Additional Specialities
- Internist
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Questions & Answers
Does Dr. Glenn Geoffrey Preston accept insurance?
Dr. Glenn Geoffrey Preston is listed in-network for 9 ACA Marketplace (Obamacare/HealthCare.gov) plans from Medica. See the Marketplace plans section for details.
Where can you meet with Dr. Glenn Geoffrey Preston?
Dr. Glenn Geoffrey Preston's office is located at 1200 1st Avenue East Abben Cancer Center in Spencer, IA 51301.
Has Dr. Glenn Geoffrey Preston affiliation with hospitals?
Dr. Glenn Geoffrey Preston is affiliated with KOSSUTH REGIONAL HEALTH CENTER. For the full list of hospitals see this list.
Does Dr. Glenn Geoffrey Preston have affiliation with practices?
Dr. Glenn Geoffrey Preston is affiliated with Milford Family Care. For the full list of practices see this list.
What conditions does Dr. Glenn Geoffrey Preston treat?
Dr. Glenn Geoffrey Preston provides treatment for Bone Cancer, Common Cold, Hemophilia, Leukemia, Pernicious Anemia, Urethritis. For the full list see this list.