Accepting new patients

Dr. Christopher Grennan, MD

Family Medicine ·  Male · Age 36

Dr. Grennan

Cotton-O'neil Clinic Wamego

1704 Commercial Cir Wamego, KS 66547

Accepting new patients

Make an Appointment

(785) 456-2207


Dr. Christopher Grennan, MD is a family medicine specialist in Wamego, KS. He specializes in family medicine.


At a glance

  • Hospital satisfaction . Patients said they were highly satisfied at this doctor's hospital. See hospitals
  • Good communication . Patients said there was good doctor communication at the hospital. See hospitals
  • Good patient care . Patients said they had exceptional care at this hospital. See hospitals

Insurance Check

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Dr. Grennan accepts

Accepted insurance can change. Please double-check when making an appointment.

(785) 456-2207

Dr. Grennan accepts the following insurance:

Aetna
Aetna HMO
Choice Plus POS II
Blue Cross Blue Shield
Blue Card PPO
Cigna
Cigna HMO
Cigna PPO
Open Access Plus
First Health (Coventry Health Care)
First Health (Coventry Health Care) PPO
Humana
Choice Care PPO
MultiPlan
MultiPlan PPO
PHCS Network PPO

Background Check

Healthgrades does not collect malpractice claims information for Kansas
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
Learn more about background checks

Experience Check

Check if Dr. Grennan treats your condition or procedure

Dr. Grennan's conditions and procedures:

  • Abdominal Disorders
  • Abdominal Pain
  • Abnormal Thyroid
  • Achilles Tendinitis
  • Actinic Keratosis
  • Acute Deep Vein Thrombosis (DVT)
  • Acute Laryngitis
  • Acute Pharyngitis
  • Acute Sinusitis
  • Acute Upper Respiratory Infection
  • Acute Venous Embolism Thrombosis
  • ADHD and-or ADD
  • Administrative Physical
  • All Headaches (incl. Migraine)
  • Allergic Reaction
  • Allergic Rhinitis
  • Anemia
  • Anemia and Iron Deficiency Screening
  • Anxiety
  • Arthritis
  • Asthma
  • Asymptomatic Post-Menopausal Status
  • Ataxia
  • Atherosclerosis
  • Back Pain
  • Bacterial Sepsis
  • Bladder Diseases
  • Bladder Infection
  • Blood Disorders
  • Blood in Urine (Hematuria)
  • Bone Disorders
  • Breast Diseases
  • Breast Pain
  • Calcium Metabolism Disorders
  • Cardiovascular Stress Test
  • Cellulitis
  • Chest Pain
  • Cholesterol Screening
  • Chronic Neck Pain
  • Chronic Pain
  • Chronic Sinusitis
  • Conduct Disorder
  • Confusion
  • Constipation
  • COPD (Chronic Obstructive Pulmonary Disease)
  • Coronary Artery Disease (CAD)
  • Cough
  • Deep Vein Thrombosis (DVT)
  • Dehydration
  • Dermatitis
  • Diabetes Counseling
  • Diabetes Screening
  • Diabetes Type 2
  • Diabetes With Renal Manifestations
  • Diabetic Polyneuropathy
  • Diarrhea
  • Difficulty With Walking
  • Diverticulosis, Intestinal
  • Dizziness
  • Dysphagia
  • Ear Ache
  • Ear Disorders
  • Earwax Buildup
  • Elbow Injuries
  • Electrocardiogram (EKG)
  • Emphysema
  • Enlarged Prostate (BPH)
  • Enteritis
  • Erectile Dysfunction
  • Esophageal Diseases
  • Fever
  • Fibromyalgia
  • Foot Conditions
  • Fungal Nail Infection
  • Gait Abnormality
  • Ganglion Cyst
  • Gas-Bloat Syndrome
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Diseases
  • Gout
  • Headache
  • Heart Disease
  • Heart Palpitations
  • Hemorrhoids
  • Herpes Zoster Without Complication
  • Hoarse Voice (Dysphonia)
  • Hypercalcemia
  • Hyperkalemia
  • Hyperlipidemia
  • Hypertension
  • Hypokalemia
  • Hypotension
  • Hypotension (Excluding Maternal)
  • Hypothyroidism
  • Immunization
  • Influenza (Flu)
  • Insomnia
  • Jock Itch
  • Joint Pain
  • Knee Disorders
  • Laryngitis
  • Larynx Conditions
  • Lateral and Medial Epicondylitis (Tennis and Golf Elbow)
  • Leg and Foot Ulcers
  • Limb Cramp
  • Limb Pain
  • Limb Swelling
  • Limb Swelling Caused by Fluid Overload
  • Lipid Disorders
  • Liver Function Test
  • Low Back Pain
  • Low Blood Oxygen Level
  • Malaise and Fatigue
  • Malnutrition
  • Menopausal and Postmenopausal Disorders
  • Migraine
  • Mineral Metabolism Disorders
  • Moles (Benign Skin Lesions)
  • Muscle Spasm
  • Muscle Weakness
  • Nausea
  • Neurogenic Bladder
  • Nighttime Urination (Nocturia)
  • Non-Alcoholic Fatty Liver Disease
  • Obesity
  • Osteoarthritis
  • Osteoarthritis of Hip
  • Osteoarthritis of Hip and Thigh
  • Osteoarthritis of Shoulder
  • Osteopenia
  • Osteoporosis
  • Osteoporosis Screening
  • Otitis Media
  • Outer Ear Infection
  • Painful Urination (Dysuria)
  • Partial Lung Collapse
  • Patellofemoral Pain Syndrome or Knee Pain
  • Pericardial Disease
  • Perimenopause
  • Peripheral Nerve Disorders
  • Peripheral Vascular Disease (PAD, PVD)
  • Pharyngitis
  • Plantar Fasciitis
  • Plantar Wart
  • Pneumonia
  • Pollen Allergy
  • Polymyalgia Rheumatica (PMR)
  • Polyneuropathy
  • Postnasal Drip
  • Pregnancy Test
  • Prostate Cancer Screening
  • Pulmonary Disease
  • Radiculopathy (Not Due to Disc Displacement)
  • Rapid Flu Test
  • Rash
  • Rh Incompatibility Screening
  • Ringworm
  • Scabies
  • Sciatica (Not Due to Disc Displacement)
  • Seborrheic Dermatitis
  • Sepsis
  • Sexually Transmitted Infections Screening
  • Shingles
  • Shortness of Breath
  • Shoulder Disorders
  • Sinusitis
  • Skin Infections
  • Sleep Apnea
  • Sleep Disorders
  • Spermatocele
  • Spondylosis
  • Sprains and Strains (incl. Muscle Tear)
  • Stomach Diseases
  • Symptomatic Menopause
  • Syphilis Screening
  • Thrombosis
  • Thyroid Disease
  • Thyroid Screening
  • Tinnitus
  • Tobacco Use Disorder
  • Transient Ischemic Attack (TIA)
  • Ulcer
  • Urinary Disorders
  • Urinary Hesitancy
  • Urinary Incontinence
  • Urinary Stones
  • Urinary Tract Infection (UTI)
  • Vaginitis and-or Vaginosis
  • Venous Embolism and Thrombosis
  • Venous Insufficiency
  • Vertigo
  • Viral Enteritis
  • Vitamin D Deficiency
  • Warts
  • Wellness Examination

Dr. Grennan's Reviews

Likelihood to recommend Dr. Grennan

2.6

Based on 11 reviews

5 Stars
27.272727272727273%
(3)
4 Stars
9.090909090909092%
(1)
3 Stars
9.090909090909092%
(1)
2 Stars
9.090909090909092%
(1)
1 Star
45.45454545454545%
(5)

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Dr. Grennan?
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Average Reported Wait Time
  • 10 – 15 minutes
Dr. Grennan's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Christopher Grennan, MD
RecentHighestLowestMost Helpful
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He is a great doctor and the kids just love him
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He mis-diagnosed a digestive issue I was having and put me on the wrong meds. I don't feel very confident in his diagnoses.
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About Me

Biography

Dr. Christopher Grennan, MD is a family medicine specialist in Wamego, KS. He specializes in family medicine.

Specialties

  • Family Medicine

Affiliated Hospitals

Check the quality of care at hospitals where Dr. Grennan treats patients.

Learn more

89% Patient experience rating, 20% higher than the national average