WILLIAM F. FELDNER D.O. – NPI #1922085539
Family Medicine

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.

Health Care Provider Taxonomy Code for Family Medicine

WILLIAM FELDNER is a physician located in SAINT LOUIS, MO. NPPES has assigned the NPI number 1922085539 to WILLIAM FELDNER on December 23, 2005. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207Q00000X from the Health Care Provider Taxonomy code set, which is classified as Family Medicine.

The NPI profile was last updated on Sep 18, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for WILLIAM FELDNER below.

NPI Profile for
WILLIAM F. FELDNER

NPI Number
1922085539
Enumeration Date

(more than 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
WILLIAM F. FELDNER
Credentials
D.O.
Primary location
3009 NORTH NEW BALLAS ROAD STE 226A
SAINT LOUIS, MO 63195-2395
Phone: (314) 996-4900 Fax: (314) 996-4901
1 Other location(s):
1011 Bowles Ave
St Francis Bldg., Suite 450
Fenton, MO 63026-2395
Phone: (314) 467-1500
Fax: (314) 467-1515
Mailing address
PO BOX 959354
SAINT LOUIS, MO 63195-3340
Phone: (314) 996-4900 Fax: (314) 996-4901
Sole Proprietor
No
Updated
Certification Date
Sep 18, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for WILLIAM FELDNER

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
medicaidMO205157803
medicaidMO205157811
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207Q00000X
- Family Medicine (Primary)		 MO R1J82
207QS0010X
- Family Medicine / Sports Medicine		 MO R1J82

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

Endpoint
https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2
Endpoint type
FHIR URL
Endpoint Description
BJC
Content Type
CSV
Affiliation
N
Endpoint Location
3009 NORTH NEW BALLAS ROAD STE 226A,
SAINT LOUIS, MO 77025-1669

Additional Information

Education
OKLAHOMA STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE - Graduated 1987
Offers Telehealth Services
Yes - Telehealth services allows you to talk to your health care provider using audio/video communications, such as Zoom, without actually going in to the doctor's office
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
WILLIAM FELDNER is affiliated with the following medical group(s):
  • HOSPITAL
    • SSM ST CLARE HEALTH CENTER
      1015 BOWLES
      FENTON, MO 63026

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.