Thomas C. Killeen
Experienced in Swallowing Difficulty

Dr. Thomas C. Killeen

Internal Medicine
Cleveland Clinic
Cleveland Clinic Main Campus
9500 Euclid Avenue, 
Cleveland, OH 
On Staff At
Offers Telehealth
23 Years of Experience

Experienced in Swallowing Difficulty
Cleveland Clinic
Cleveland Clinic Main Campus
9500 Euclid Avenue, 
Cleveland, OH 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Thomas Killeen is a primary care provider, practicing in Internal Medicine in Cleveland, Ohio. Dr. Killeen has been practicing medicine for over 23 years and is rated as an Experienced provider by MediFind in the treatment of Swallowing Difficulty. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Type 2 Diabetes (T2D).

His clinical research consists of co-authoring 1 peer reviewed article. MediFind looks at clinical research from the past 15 years.

Graduate Institution
University Of Michigan, 2003.0
Residency
NorthShore University Health System
Specialties
Internal Medicine
Licenses
Internal Medicine in OH
Board Certifications
American Board Of Internal Medicine, 2011
Hospital Affiliations
Marymount Hospital
Lutheran Hospital
Cleveland Clinic Avon Hospital
Cleveland Clinic
Fairview Hospital
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Ambetter
  • EPO
  • HMO
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
AultCare
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Buckeye Health Plan
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE-MEDICAID PLAN
CareFirst
  • HMO
  • POS
  • PPO
CareSource
  • HMO
Change Healthcare
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Cigna
  • EPO
  • HMO
  • PPO
CommuniCare Advantage
  • MEDICARE SNP
Devoted Health
  • MEDICARE MAPD
  • OTHER MEDICARE
Dominion National
  • MEDICARE PDP
First Health
  • INSURANCE PLAN
  • MEDICARE PDP
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
HealthPartners
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Mass General Brigham Health Plan
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medical Mutual
  • HMO
  • PPO
Moda Health
  • EPO
  • PPO
Oscar
  • EPO
  • HMO
  • PPO
Paramount
  • EPO
  • HMO
  • INDEMNITY
  • PPO
Primetime Health Plan
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE PART D
Provider Partners Health Plan
  • MEDICARE SNP
Spectrum Priority Health
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
SummaCare
  • HMO
  • PPO
TeamCare
  • OTHER COMMERCIAL
The Health Plan
  • HMO
  • MANAGED MEDICAID PLAN
  • OTHER MEDICARE PART D
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Univera Healthcare
  • INSURANCE PLAN
  • MEDICARE MAPD
UPMC
  • EPO
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Zing Health
  • MEDICARE MAPD
  • MEDICARE SNP
View 34 Less Insurance Carriers -

Locations

Cleveland Clinic Main Campus
9500 Euclid Avenue, Cleveland, OH 44195
Call: 216-444-2200
Other Locations
The Langston Hughes Center, Cleveland Clinic Community Health and Education Center
2390 East 79th Street, Cleveland, OH 44104
Call: 216-361-1773

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


1 Total Publications

Common bile duct carcinoid mimicking the clinical, EUS, and ERCP findings of cholangiocarcinoma: a rare but potentially curable cause of obstructive jaundice.
Common bile duct carcinoid mimicking the clinical, EUS, and ERCP findings of cholangiocarcinoma: a rare but potentially curable cause of obstructive jaundice.
Journal: Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association
Published: May 23, 2011
Similar Doctors
Distinguished in Swallowing Difficulty
Dr. Rajesh K. Agarwal
Internal Medicine
Distinguished in Swallowing Difficulty
Dr. Rajesh K. Agarwal
Internal Medicine

Rajesh Agarwal Md, LLC

20050 Harvard Ave, Suite 300, 
Warrensville Heights, OH 
 (5.7 miles away)
216-751-1212
Languages Spoken:
English, Bengali, Hindi
See accepted insurances
Accepting New Patients
Offers Telehealth

Rajesh Agarwal is a primary care provider, practicing in Internal Medicine in Warrensville Heights, Ohio. Dr. Agarwal is rated as a Distinguished provider by MediFind in the treatment of Swallowing Difficulty. His top areas of expertise are Pneumonia, Sepsis, Hospital-Acquired Pneumonia, Gastrostomy, and Endoscopy. Dr. Agarwal is currently accepting new patients.

Distinguished in Swallowing Difficulty
Dr. Haitham M. Azem
Internal Medicine
Distinguished in Swallowing Difficulty
Dr. Haitham M. Azem
Internal Medicine

Eastwest Primary Care, LLC

6175 SOM Center Road, Suite 210, 
Solon, OH 
 (12.3 miles away)
440-299-3100
Languages Spoken:
English, Arabic, Arabic - Jordanian
See accepted insurances
Accepting New Patients
Offers Telehealth

Haitham Azem is a primary care provider, practicing in Internal Medicine in Solon, Ohio. Dr. Azem is rated as a Distinguished provider by MediFind in the treatment of Swallowing Difficulty. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Gastrostomy, and Endoscopy. Dr. Azem is currently accepting new patients.

Advanced in Swallowing Difficulty
Dr. Thomas E. Mandat
Internal Medicine
Advanced in Swallowing Difficulty
Dr. Thomas E. Mandat
Internal Medicine
5592 Broadview Rd, Suite 103, 
Parma, OH 
 (7.4 miles away)
216-870-2529
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Thomas Mandat is a primary care provider, practicing in Internal Medicine in Parma, Ohio. Dr. Mandat is rated as a Distinguished provider by MediFind in the treatment of Swallowing Difficulty. His top areas of expertise are Necrosis, Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), Gastrostomy, and Endoscopy. Dr. Mandat is currently accepting new patients.

VIEW MORE SWALLOWING DIFFICULTY DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Killeen's expertise for a condition
ConditionClose
      • Advanced
      • Familial Hypertension
        Dr. Killeen is
        Advanced
        . Learn about Familial Hypertension.
        See more Familial Hypertension experts
      • Glucocorticoid-Remediable Aldosteronism
        Dr. Killeen is
        Advanced
        . Learn about Glucocorticoid-Remediable Aldosteronism.
        See more Glucocorticoid-Remediable Aldosteronism experts
      • High Cholesterol
        Dr. Killeen is
        Advanced
        . Learn about High Cholesterol.
        See more High Cholesterol experts
      • Hypertension
        Dr. Killeen is
        Advanced
        . Learn about Hypertension.
        See more Hypertension experts
      • Maturity Onset Diabetes of the Young
        Dr. Killeen is
        Advanced
        . Learn about Maturity Onset Diabetes of the Young.
        See more Maturity Onset Diabetes of the Young experts
      • Type 2 Diabetes (T2D)
        Dr. Killeen is
        Advanced
        . Learn about Type 2 Diabetes (T2D).
        See more Type 2 Diabetes (T2D) experts
      • Experienced
      • Acute Interstitial Pneumonia
        Dr. Killeen is
        Experienced
        . Learn about Acute Interstitial Pneumonia.
        See more Acute Interstitial Pneumonia experts
      • Acute Kidney Failure
        Dr. Killeen is
        Experienced
        . Learn about Acute Kidney Failure.
        See more Acute Kidney Failure experts
      • Acute Pancreatitis
        Dr. Killeen is
        Experienced
        . Learn about Acute Pancreatitis.
        See more Acute Pancreatitis experts
      • AIDS Dementia Complex
        Dr. Killeen is
        Experienced
        . Learn about AIDS Dementia Complex.
        See more AIDS Dementia Complex experts
      • AIDS Dysmorphic Syndrome
        Dr. Killeen is
        Experienced
        . Learn about AIDS Dysmorphic Syndrome.
        See more AIDS Dysmorphic Syndrome experts
      • Alopecia Areata
        Dr. Killeen is
        Experienced
        . Learn about Alopecia Areata.
        See more Alopecia Areata experts
      View All 227 Experienced Conditions
      Want to save this doctor for later?
      Sign Up
      Is this your doctor?
      Find A Second Opinion
      Not sure about your diagnosis?
      Check Your Symptoms
       
       
       
       
      Learn about our expert tiers
      Learn More
      Are you the provider on this profile?
      Claim Profile
      For Patients
      • Our Story
      • How MediFind Works
      • Conditions A-Z
      • Doctor Directory
      • Symptoms Directory
      • Procedures Directory
      • Treatment Directory
      • Drug Directory
      • Infusion Center Finder
      • FAQ
      • Contact Us
      For Providers and Practices
      • Claim Your Profile
      • Newsroom
      Business Solutions
      • Provider
      • Network Solutions
      Additional Resources
      • Consumer Health Data Privacy Policy
      • Privacy Policy
      • Terms of Use
      • Advertising Policy
      • Content Policy
      Subscribe to our newsletter

      Sign up to stay informed about MediFind and get wellness sent your way.

      Close

        By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

        Bullet PinMediFind
        Follow us on
        This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
        © 2026 All Rights Reserved

        Request an Appointment

        If you are experiencing a medical emergency, call 9-1-1.

        MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

          Close
          0 / 1000

          Please provide us with the below insurance information:

                  By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.