Dr. Mary Kellis
- Gender: Female
- Experience: 18 years
- Graduation year: 2003
- Sole propriator: Yes
- NPI: 1942405790
Dr. Mary Kellis M.D.
Endocrinologist
She is located at Cleveland Clinic F 20 9500 Euclid Avenue in Cleveland, OH 44195. Can help patients with the following: Abdominal Pain, Gastroesophageal Reflux Disease (GERD), Hypoparathyroidism, Nausea and Vomiting, Peptic Ulcer, Thyroid Cancer. Her National Provider Identifier (NPI) number is 1942405790. Appointment can be made via the phone number (216) 444-6568. She is affiliated with 4 hospitals.
Conditions treated
Dr. Mary Vouyiouklis Kellis, 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. Mary Kellis.
- 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. Mary Kellis 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 at some locations |
| Bronze Classic Standard | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Bronze Simple Chronic Care CKM | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Bronze Simple Diabetes | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Bronze Simple HSA | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Gold Classic Standard | Cleveland Clinic | HMO · Gold | Preferred | Accepting new patients at some locations |
| Gold Elite Saver Plus | Cleveland Clinic | HMO · Gold | Preferred | Accepting new patients at some locations |
| Gold Elite | Cleveland Clinic | HMO · Gold | Preferred | Accepting new patients at some locations |
| Silver Classic Standard | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients at some locations |
| Silver Elite Saver Plus | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients at some locations |
| Silver Simple Breathe Easy with Enhanced COPD Benefits | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients at some locations |
| Silver Simple Chronic Care CKM | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients at some locations |
| Silver Simple Diabetes | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients at some locations |
| Silver Simple PCP Saver | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients at some locations |
| Silver Simple Women's Health with Menopause Benefits | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients at some locations |
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. Mary Kellis 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. Mary Kellis is enrolled to bill Medicare as a Practitioner - Endocrinology .
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
| Medtronic | $135 |
| Genzyme | $103 |
| Allergan | $47 |
Other
| Food and Beverage | $406 |
Studies
Graduated in 2003Additional Specialities
- Internist
Affiliated hospitals
Looking for more Endocrinologists?
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- Gender: Male
- Address: 9500 Euclid Avenue Cleveland, 44195, OH
- Gender: Female
- Address: 9500 Euclid Avenue Cleveland, 44195, OH
- Gender: Male
- Address: 9500 Euclid Avenue Cleveland, 44195, OH
- Gender: Male
- Address: 9500 Euclid Avenue Cleveland, 44195, OH
- Gender: Female
- Address: #A120 9500 Euclid Avenue Cleveland, 44195, OH
- Gender: Female
- 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
- Gender: Male
- Address: 9500 Euclid Avenue Cleveland, 44195, OH
- Gender: Female
- Address: 9500 Euclid Avenue Cleveland, 44195, OH
Questions & Answers
Has Dr. Mary Vouyiouklis Kellis affiliation with hospitals?
Dr. Mary Vouyiouklis Kellis is affiliated with AKRON GENERAL MEDICAL CENTER. For the full list of hospitals see this list.
Where can you meet with Dr. Mary Vouyiouklis Kellis?
Dr. Mary Vouyiouklis Kellis's office is located at Cleveland Clinic F 20 9500 Euclid Avenue in Cleveland, OH 44195.
What conditions does Dr. Mary Vouyiouklis Kellis treat?
Dr. Mary Vouyiouklis Kellis provides treatment for Abdominal Pain, Gastroesophageal Reflux Disease (GERD), Hypoparathyroidism, Nausea and Vomiting, Peptic Ulcer, Thyroid Cancer. For the full list see this list.
Does Dr. Mary Vouyiouklis Kellis accept patients with Oscar Insurance Corporation of Ohio?
Yes, Dr. Mary Vouyiouklis Kellis is listed in-network for Oscar Insurance Corporation of Ohio through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.