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Dr. William Knapp, DO

Internal Medicine* Age 46
Dr. William Knapp, DO
3.0 (2 Ratings)

Offers telehealth

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Dr. William Knapp, DO is an Internist in Walnut Creek, CA.
Dr. William Knapp, DO
3.0 (2 Ratings)
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Dr. William Knapp, DO

Internal Medicine* Age 46
Walnut Creek, CA
Call for new patient details
15 years of experience

Offers telehealth

Dr. William Knapp, DO is an Internist in Walnut Creek, CA.

About

Dr. Knapp graduated from Touro College of Osteopathic Medicine. Dr. William Knapp, DO is an Internist in Walnut Creek, CA and has 15 years experience. Dr. Knapp currently practices at Practice and are affiliated with John Muir Medical Center Concord and John Muir Medical Center Walnut Creek. Dr. Knapp has experience treating conditions like Hypokalemia, Adult Failure to Thrive and Malnutrition among other conditions at varying frequencies. At present, Dr. Knapp received an average rating of 3.0/5 from patients and has been reviewed 2 times. Dr. Knapp's office is not accepting new patients. Dr. Knapp is board certified in Internal Medicine and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

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Experience Check

Enter a condition or procedure
Hypokalemia
Adult Failure to Thrive
Malnutrition
Hypokalemia
Adult Failure to Thrive
Malnutrition
Hypokalemia
Adult Failure to Thrive
Malnutrition
Bacterial Sepsis
Traumatic Brain Injury
Abdominal Pain
Acidosis
  • View other providers who treat Acidosis
Acute Bronchitis
Acute Deep Vein Thrombosis (DVT)
Acute Kidney Failure
Acute Venous Embolism Thrombosis
Alcohol Withdrawal
All Headaches (incl. Migraine)
Anxiety
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Aortic Valve Disease
Arrhythmias
Arthritis
Asthma
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Atherosclerosis
Atrial Fibrillation
Atrial Flutter
Back Pain
Bedsores
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Bleeding Disorders
Broken Neck
Bronchiectasis
Cachexia
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Cardiomyopathy
Cardiomyopathy, Dilated
Cerebrovascular Disease
Chest Pain
Cholecystitis and Gallstones
Chronic Pain
Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
Congestive Heart Failure
Constipation
COPD (Chronic Obstructive Pulmonary Disease)
Coronary Artery Disease (CAD)
Deep Vein Thrombosis (DVT)
Dehydration
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Diarrhea
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Dizziness
Dyslipidemia
Dysphagia
Embolism
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Emphysema
Enlarged Prostate (BPH)
Epilepsy
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Esophagitis
Fibromyalgia
Gallstones
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gout
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Headache
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Heart Attack (Acute Myocardial Infarction)
Heart Disease
Hemorrhoids
Hepatitis C
Hyperkalemia
Hyperlipidemia
Hypertension
Hypertensive Chronic Kidney Disease
Hypertensive Heart and Chronic Kidney Disease
Hypertensive Heart Disease
Hyposmolality and Hyponatremia
Hypotension
Hypotension (Excluding Maternal)
Intestinal Diverticulitis
Intestinal Diverticulosis
Intestinal Obstruction
Joint Pain
Leg and Foot Ulcers
Limb Pain
Liver Damage from Alcohol
Low Back Pain
Malaise and Fatigue
Migraine
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Nausea
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Nephritis and Nephropathy
Nerve Root Injury and Plexus Disorders (incl. Pinched Nerve)
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Osteoarthritis
Pancreatitis
Peripheral Vascular Disease (PAD, PVD)
Pneumonia
Pulmonary Embolism
Pulmonary Hypertension
Respiratory Failure
Rhabdomyolysis
Shortness of Breath
Sick Sinus Syndrome
Skin Ulcer
Stroke
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Subdural Hemorrhage
Supraventricular Tachycardia
Tobacco Use Disorder
Urinary Tract Infection (UTI)
Venous Embolism and Thrombosis
Venous Insufficiency
Vitamin B Deficiency
Vitamin D Deficiency
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Acute Coronary Syndrome
Acute Kidney Infection
Acute Lower Respiratory Infection
Acute Pharyngitis
Acute Sinusitis
Acute Upper Respiratory Infection
ADHD and-or ADD
Adrenal Gland Diseases
Alkalosis
All Types of Food Poisoning
Allergic Conjunctivitis
Allergic Rhinitis
Anal or Rectal Pain
Anemia
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Angina
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Animal Allergies
Ankle Fracture
Ankle Sprains and Strains
Anorectal Abscess
Aortic Aneurysm
Aortic Dissection
Aortic Ectasia
Aortic Embolism and Thrombosis
Aortic Valve Regurgitation
Arthritis of the Elbow
Asphyxia and Hypoxemia
Ataxia
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Atopic Dermatitis (Eczema)
Atrial Septal Defect
Autoimmune Thyroid Diseases
Avascular Necrosis
Balanoposthitis
Bell's Palsy
Benign Chronic Pain Syndrome
Biliary Atresia
Bladder Infection
Blood in Urine (Hematuria)
Brain Aneurysm
Bronchitis
Bronchospasm
Bruise of Face, Scalp, or Neck
Bursitis
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Calcium Metabolism Disorders
Candidiasis of Skin and Nails
Cardiomyopathy, Hypertrophic
Carotid Artery Disease
Cellulitis
Cerebral Artery Thrombosis
Cerebral Edema
Cerebral Embolism
Cervicitis
Chronic Deep Vein Thrombosis (DVT)
Chronic Fatigue Syndrome
Chronic Interstitial Cystitis
Chronic Neck Pain
Chronic Pelvic Pain
Chronic Postoperative Pain
Chronic Sinusitis
Chronic Venous Embolism Thrombosis
Clavicle Fracture
Coccyx or Sacrum Fracture
Collapsed Lung (Pneumothorax)
Complex Regional Pain Syndrome (CRPS)
Concussion
Confusion
Congenital Anomalies of Kidney
Contact Dermatitis
Cough
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Cranial Trauma
Cryptococcosis
Dermatitis Due to Drugs
Dermatitis Due to Substances Taken Internally
Diabetes Type 1
Diabetic Ketoacidosis
Difficulty With Walking
Down Syndrome
Duodenal Ulcer
Duodenitis
Dysentery
Eczema and Contact Dermatitis
Endocarditis
Enteritis
Eosinophilia
Esophageal Achalasia and Cardiospasm
Esophageal Ulcer
Essential Tremor
Familial Hypercholesterolemia
Fever
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Foot Infection
Gait Abnormality
Gas-Bloat Syndrome
Gastric Ulcer
Gastroparesis
Gastroptosis
Genital Herpes
Goiter
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Heart Palpitations
Hemispacial Neglect
Hernia
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Herpes Simplex Infection
Herpes Zoster Without Complication
Hip Pointer
Hip Sprain
Human Immunodeficiency Virus (HIV)
Humerus Fracture
Hypercalcemia
Hyperthyroidism
Hypogammaglobulinemia
Hypoglycemia
Hypogonadism
Hypothyroidism
Hypoxemia
Ileus
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Iliac Aneurysm
Indigestion
Influenza (Flu)
Insomnia
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Intracerebral Hemorrhage
Iron Metabolism Disorders
Irritable Bowel Syndrome
Itchy Skin
Kidney Infection
Kidney Stone Pain (Renal Colic)
Lactose Intolerance
Leukocytopenia
Lice
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Limb Swelling Caused by Fluid Overload
Lipid Disorders
Magnesium Metabolism Disorders
Meningitis
Menstrual Disorders
Mineral Metabolism Disorders
Mitral Valve Prolapse
Mitral Valve Regurgitation
Mitral Valve Stenosis
Muscle Cramping
Muscle Spasm
Muscle Weakness
Mycobacterial Lung Infection
Nail and Nail Bed Infection
Nail Infection
Nasopharyngitis
Neck Muscle Strain
Nephrotic Syndrome
Neurogenic Bladder
Nighttime Urination (Nocturia)
Nosebleed
Obesity
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Onychomycosis
Osteoarthritis of Foot
Osteoarthritis of Hand
Osteoarthritis of Hand or Wrist
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Otitis Media
Outer Ear Infection
Overactive Bladder
Overweight
Patellofemoral Pain Syndrome (PFPS)
Pelvic Abscess
Pelvic Fracture
Peptic Ulcer
Pericardial Disease
Peripheral Arterial Embolism and Thrombosis
Peripheral Nerve Disorders
Pharyngitis
Phimosis
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Phlebitis and Thrombophlebitis
Phosphorus Metabolism Disorders
Pinkeye (Conjunctivitis)
Pollen Allergy
Polymyalgia Rheumatica (PMR)
Polymyositis
Polyneuropathy
Polyneuropathy Due to Alcohol and Drugs
Polyuria
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Post-Concussion Syndrome
Postherpetic Neuralgia
Postnasal Drip
Primary Biliary Cholangitis
Primary Pulmonary Hypertension
Prinzmetal Angina
Purpura
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Radiculopathy
Rash
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Raynaud's Disease
Reflux Esophagitis
Restless Leg Syndrome
Rheumatic Aortic Valve Disorders
Rib Fracture
Ringworm
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Rosacea
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Salivary Gland Stones and Inflammation
Sarcoidosis
Sciatica
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Second Degree Heart Block
Secondary Diabetes Mellitus
Septic Embolism
Sexually Transmitted Diseases (STDs)
Shingles
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Shoulder Dislocation
Sinus Bradycardia
Sinus Tachycardia
Sinusitis
Sleep Apnea
Spinal Cord Injury
Sprains and Strains (incl. Muscle Tear)
Subarachnoid Hemorrhage
Swine Flu
Tension Headache
Testicular Dysfunction
Third Degree Heart Block
Thrush
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Thyroid Goiter
Thyroiditis
Tinnitus
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Torticollis
Transient Ischemic Attack (TIA)
Tremor
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Tricuspid Valve Disease
Trigeminal Neuralgia
Tubo-Ovarian Abscess
Type 2 Heart Block - Mobitz
Urinary Incontinence
Urinary Stones
Vaginitis or Vaginosis
Venous Compression
Ventricular Fibrillation
Ventricular Tachycardia (VT)
Vertigo
  • View other providers who treat Vertigo
Viral Enteritis
Viral Hepatitis
Viral Infection
Vitamin B12 Deficiency
Vocal Cord Paralysis
Wheezing
  • View other providers who treat Wheezing
Yeast Infections
Abscess or Cyst Drainage or Aspiration
Immunization Administration
Puncture Aspiration

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • SmartCare Network Large Group HMO
    CA Employer Group Plans HMO
    CA WholeCare Network HMO
    CA Healthnet PPO
  • Navigate HMO
    Options PPO
    Nexus Open Access
    Navigate POS
    Choice Plus POS
  • Northern CA Cigna + Oscar Open Access Plus EPO
    Northern CA Cigna + Oscar LocalPlus EPO
  • Advantage Preferred DirectAccess Plus PPO
  • Blue Card PPO
  • Prudent Buyer Individual CA PPO
    Advantage HMO
    California Care Large Group HMO
    Prudent Buyer Large Group CA PPO
    Anthem Blue Connection EPO
    California Care Small Group HMO
    Prudent Buyer Small Group CA PPO
  • Elect Choice (Open Access) EPO
    Aetna HMO
    Managed Choice (Open Access) POS
    Premier Care Network Plus - Innovation Health
    Open Choice PPO
    Choice Plus POS II
  • Cigna PPO
    Cigna HMO
    LocalPlus
    Open Access Plus

Locations

  1. 1 John Muir Medical Center Walnut Creek
    1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
    Icon Directions Right Arrow Directions Phone Icon (925) 939-3000
  2. 2 John Muir Medical Center Concord
    2540 East St, Concord, CA 94520
    Icon Directions Right Arrow Directions Phone Icon (925) 674-2609
  3. 3 John Muir Medical Center Walnut Creek
    1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
    Icon Directions Right Arrow Directions Phone Icon (925) 947-5250
  4. 4 Rossmoor Home Health Agency
    1220 Rossmoor Pkwy, Walnut Creek, CA 94595
    Icon Directions Right Arrow Directions Phone Icon (925) 947-3393

Patient Satisfaction

Likelihood to recommend Dr. Knapp
3.0
Based on 2 Reviews
5 Stars (1)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (1)

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Patient Reviews
Apr 24, 2023
He was thorough knowledgeable and professional. I wish I could have him as my regular doctor for stomach issues.
— Apr 24, 2023
See more reviews on Healthgrades
Photo: Dr. William Knapp, DO
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Dr. Knapp's Office & Staff

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Experience with Dr. Knapp

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(925) 939-3000

About Me

Specialties*
Internal Medicine
Hospital Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Education

Medical Education
  • Touro College of Osteopathic Medicine
    2009
Medical Education

Board Certifications

Board Certifications
  • Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Knapp communicate via email?
No users said yes.
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Does Dr. Knapp offer telehealth services or virtual visits?
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Does Dr. Knapp offer an online patient portal?
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Does Dr. Knapp have free onsite parking?
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Does Dr. Knapp offer weekend visits?
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Does Dr. Knapp offer evening visits?
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Does Dr. Knapp specialize in working with children or adolescents?
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Does Dr. Knapp specialize in working with LGBTQ+ community?
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. William Knapp, DO. To arrange an appointment, call the number on Dr. Knapp's profile.

Dr. Knapp frequently treats the following conditions: Hypokalemia, Adult Failure to Thrive and Malnutrition. See more on Sharecare.

Dr. William Knapp, DO is affiliated with John Muir Medical Center Concord and John Muir Medical Center Walnut Creek.

Yes, Dr. William Knapp, DO holds board certification in Internal Medicine.

Hospital Affiliations

  • John Muir Medical Center Concord

    2540 East St, Concord, CA

  • John Muir Medical Center Walnut Creek

    1601 Ygnacio Valley Rd, Walnut Creek, CA