William Frederick Feldner, D.O.
William Frederick Feldner is a Family Medicine specialist based in Saint Louis, MO with over 39 years of clinical experience. Offers virtual telehealth visits.
William Frederick Feldner, D.O. has been part of the Saint Louis medical community since 2005 in group practice. He graduated from Oklahoma State University College of Osteopathic Medicine in 1987 and has 39+ years of clinical experience. He regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data).
At a glance
- Uses generic medications more than 64% of reporting doctors in Missouri
- Virtual visits available — no app or travel required
Older · 252dNPPES updated 2025-09-18 · verify NPI on CMS · Verify license at Missouri Board of Registration for the Healing Arts
Contact & Location
Practice Location
3009 North New Ballas Road Ste 226a, Saint Louis, MO 63195-2395
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+3%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-11%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+2%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-5%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-1%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-10%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1987
Oklahoma State University College of Osteopathic Medicine
Board certified · Sep 17, 2025
Self-reported via NPPES
39 years in practice
Senior practitioner
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Taxonomy: 207Q00000X
Education & Training
Oklahoma State University College of Osteopathic Medicine (Class of 1987)
Mailing address
Po Box 959354, Saint Louis, MO 63195-3340
Differs from practice location
Virtual Family Medicine Care With William Frederick Feldner
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with William Frederick Feldner for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Saint Louis required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about William Frederick Feldner
Dr. Feldner is listed as active in the NPI registry with telehealth listed in Saint Louis, MO. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (314) 996-4900.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact William Frederick Feldner
Practice Location
3009 North New Ballas Road Ste 226a, Saint Louis, MO 63195-2395
Mailing Address
Po Box 959354, Saint Louis, MO 63195-3340
This is a provider directory. Contact the office directly to schedule appointments.
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