Dr. Guy B. Mulligan
- Gender: Male
- Experience: 16 years
- Graduation year: 2005
- Sole propriator: Yes
- NPI: 1740309962
Dr. Guy B. Mulligan M.D.
Endocrinologist
He is located at 9500 Euclid Avenue Desk F-20 in Cleveland, OH 44195. Can help patients with the following: Addison's Disease, Atherosclerosis, High Blood Pressure, Low Testosterone, Metabolic Syndrome, Thyroid Cancer. His National Provider Identifier (NPI) number is 1740309962. Appointment can be made via the phone number (216) 445-5411. He is affiliated with 1 practices and 4 hospitals.
Conditions treated
Dr. Guy Mulligan, 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. Guy B. Mulligan.
- Abdominal Pain
- Achondroplasia
- Acute Pain
- Addison's Disease
- Amyloidosis
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Bone Loss
- Carcinoid Tumor
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cushing's Syndrome
- Cystitis
- Diabetes
- Diabetes Insipidus (DI)
- Diabetes Mellitus (DM) Type 1
- Diabetes Mellitus (DM) Type 2
- Diabetic Neuropathy
- Diarrhea
- Edema
- Fertility
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Goiter
- Graves' Disease
- Growth Hormone Imbalance
- Gynecomastia
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hypercalcemia
- Hyperglycemia
- Hyperlipidemia
- Hyperparathyroidism
- Hyperthyroidism
- Hypocalcemia
- Hypoglycemia
- Hyponatremia
- Hypoparathyroidism
- Hypothyroidism
- Influenza
- Inguinal Hernia
- Insulin Resistance (IR)
- Low Testosterone
- Metabolic Syndrome
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Thyroid Cancer
- Thyroid Disease
- Thyroiditis
- Urethritis
- Urinary Tract Infection (UTI)
- Vitamin D Deficiency
- Wilson-Turner Syndrome
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Guy B. Mulligan as in-network for the following 2026 plans.
Health plans
Oscar Insurance Corporation of Ohio
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Oscar Insurance Corporation of Ohio
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic PCP Saver | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Chronic Care CKM | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Diabetes | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple HSA | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | Cleveland Clinic | HMO · Gold | Preferred | Accepting new patients |
| Gold Elite Saver Plus | Cleveland Clinic | HMO · Gold | Preferred | Accepting new patients |
| Gold Elite | Cleveland Clinic | HMO · Gold | Preferred | Accepting new patients |
| Silver Classic Standard | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients |
| Silver Elite Saver Plus | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Breathe Easy with Enhanced COPD Benefits | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits | Cleveland Clinic | 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. Guy B. Mulligan 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. Guy B. Mulligan is enrolled to bill Medicare as a Practitioner - Endocrinology (also registered under: Practitioner - Internal Medicine) .
Bills through: The Cleveland Clinic Foundation
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
| Sanofi | $15 |
| Merck | $12 |
| Dexcom | $10 |
Other
| Food and Beverage | $39 |
Studies
Graduated in 2005Additional Specialities
- Internist
Affiliated hospitals
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- Gender: Female
- Address: 9500 Euclid Avenue Cleveland, 44195, OH
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- Address: 9500 Euclid Avenue Cleveland, 44195, OH
- Gender: Female
- Address: 9500 Euclid Avenue Cleveland, 44195, OH
- Gender: Female
- Address: 9500 Euclid Avenue Cleveland, 44195, OH
Questions & Answers
Does Dr. Guy Mulligan accept patients with Oscar Insurance Corporation of Ohio?
Yes, Dr. Guy Mulligan is listed in-network for Oscar Insurance Corporation of Ohio through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Does Dr. Guy Mulligan have affiliation with practices?
Dr. Guy Mulligan is affiliated with Summa Health System.
What conditions does Dr. Guy Mulligan treat?
Dr. Guy Mulligan provides treatment for Addison's Disease, Atherosclerosis, High Blood Pressure, Low Testosterone, Metabolic Syndrome, Thyroid Cancer. For the full list see this list.
Where can you meet with Dr. Guy Mulligan?
Dr. Guy Mulligan's office is located at 9500 Euclid Avenue Desk F-20 in Cleveland, OH 44195.
Has Dr. Guy Mulligan affiliation with hospitals?
Dr. Guy Mulligan is affiliated with AKRON GENERAL MEDICAL CENTER. For the full list of hospitals see this list.