Dr. William Stephen Knapp
Dr. William S. Knapp
Last updated: Feb 8, 2019

Dr. William S. Knapp

  • Gender: Male
  • Experience: 43 years
  • Graduated from: At Still University Of Health Sciences, College Of Osteo Med, Kirksville
  • Graduation year: 1978
  • Sole propriator: No
  • NPI: 1023099140

Dr. William S. Knapp D.O.

Geriatrician

He is located at 2137 Charbonier Road Suite B in Florissant, MO 63031. Can help patients with the following: Chronic Obstructive Pulmonary Disease (COPD), Constipation, Fever, Heart Disease, Nausea and Vomiting, Osteoporosis. His National Provider Identifier (NPI) number is 1023099140. Appointment can be made via the phone number (314) 831-0181. He is affiliated with 2 practices.

Conditions treated

Dr. William Stephen Knapp, being an geriatrician, 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. William S. Knapp.

  • Abdominal Pain
  • Acute Pain
  • Aging In Place
  • Alzheimer's Disease
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Balance Issues
  • Bladder Control
  • Bone Loss
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Cognitive Decline
  • Common Cold
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Fatigue
  • Fecal Incontinence
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hip Bursitis
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Low Back Pain
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoarthritis (OA)
  • Osteoporosis
  • Peptic Ulcer
  • Prescription Refill
  • Progressive Neurological Disorders
  • Urethritis
  • Urinary Tract Infection (UTI)

Procedures Performed by Dr. William S. Knapp

Insurances Accepted by Dr. William S. Knapp

  1. Humana
  2. Medicare

Medicare Enrollment

Dr. William S. Knapp is enrolled to bill Medicare as a Practitioner - Internal Medicine .

Bills through: American Multispecialty Group Inc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.

Payments received

Drug payment

AstraZeneca $2462
Actelion Pharmaceuticals $2444
Novo Nordisk $2135

Other

Food and Beverage $10394
Travel and Lodging $4472
Other $500
Consulting $193

Studies

AT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE

Graduated in 1978

Additional Specialities

  • Internist

Affiliated practices

Esse Health
12655 Olive Boulevard
St. Louis, 63141 MO
(314) 851-1000
Patterson Medical Clinic
2175 Charbonier Road
Florissant, 63031 MO
(314) 831-5999

Looking for more Geriatricians?

Here are geriatricians in Missouri you may want to explore.

Dr. Daniel T. Purdom
  • Gender: Male
  • Address: 7900 Lees Summit Road Kansas City, 64139, MO
Dr. Charles Adam Crecelius
  • Gender: Male
  • Address: Div Im Geriatrics, Ste 200 10 Barnes West Drive Saint Louis, 63141, MO
Dr. Richard Barry White
  • Gender: Male
  • Address: Suite 150 1015 Corporate Square Drive Saint Louis, 63132, MO
Dr. Gerald Mahon
  • Gender: Male
  • Address: 1201 South Grand Boulevard Saint Louis, 63104, MO
Dr. Margaret M. Wilson
  • Gender: Female
  • Address: 3660 Vista Avenue Saint Louis, 63110, MO
Dr. Jasper Fullard
  • Gender: Male
  • Address: 5746 North Broadway Street Kansas City, 64118, MO
Dr. Chantri Trinh
  • Gender: Female
  • Address: 3660 Vista St Louis, 63110, MO
Dr. Bruce Mitchell Lowrie
  • Gender: Male
  • Address: Suite 205 2325 Dougherty Ferry Road Saint Louis, 63122, MO
Dr. Julie K. Gammack
  • Gender: Female
  • Address: 1221 S. Grand Blvd, 2nd Floor Center For Specialized Medicine St Louis, 63104, MO
Dr. Kyle C. Moylan
  • Gender: Male
  • Address: Div Im Palliative Med, Ste 241 4901 Forest Park Avenue Saint Louis, 63108, MO

Questions & Answers

Does Dr. William Stephen Knapp accept patients with Humana?

Yes, Dr. William Stephen Knapp accepts patients with Humana.

Where can you meet with Dr. William Stephen Knapp?

Dr. William Stephen Knapp's office is located at 2137 Charbonier Road Suite B in Florissant, MO 63031.

Does Dr. William Stephen Knapp have affiliation with practices?

Dr. William Stephen Knapp is affiliated with Esse Health. For the full list of practices see this list.

What conditions does Dr. William Stephen Knapp treat?

Dr. William Stephen Knapp provides treatment for Chronic Obstructive Pulmonary Disease (COPD), Constipation, Fever, Heart Disease, Nausea and Vomiting, Osteoporosis. For the full list see this list.