William Frederick Feldner, D.O.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

R1J82 Issued in MO

Practice address

3009 North New Ballas Road Ste 226a
Saint Louis, MO 63195-2395

Phone

(314) 996-4900

Fax

(314) 996-4901

NPI assigned

Dec 23, 2005

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other identifiers 2

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MO

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family Practice

Education

Oklahoma State University College of Osteopathic Medicine, 1987

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Physician Groups LCGroup PAC ID 3072421254, 526 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• BJC Home Care Services Home health agency, Saint Louis, MO, CCN 267276
• Missouri Baptist Medical Center Hospital, Saint Louis, MO, CCN 260108
• Barnes Jewish Hospital Hospital, Saint Louis, MO, CCN 260032
• SSM Health Rehabilitation Hospital Inpatient rehabilitation facility, Richmond Heights, MO, CCN 263031

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: william.feldner.p1@direct.essehealth.nextgenshare.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Physician Groups LC

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1285664268

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Physician Groups LC

  • Multi-Specialty Clinic/Center
  • Farmington, MO
  • NPI 1427114990
  NPD
• County of St Louis Division of Fiscal Management

  • Federally Qualified Health Center (FQHC)
  • Berkeley, MO
  • NPI 1184519506
  NPD (past)
• Nice Nephrology, LLC

  • Nephrology Physician
  • Saint Louis, MO
  • NPI 1801492855
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Barnes Jewish Hospital

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1649299827
  Care Compare affiliation
• BJC Home Care Services

  • Home Health Agency
  • Saint Louis, MO
  • NPI 1326077199
  Care Compare affiliation
• Missouri Baptist Medical Center

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1487663506
  Care Compare affiliation
• SSM Select Rehab St Louis LLC

  • Rehabilitation Hospital
  • Richmond Heights, MO
  • NPI 1659511988

  Inpatient rehabilitation facility

  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1135296000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758153600000",
    "number": "1922085539",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 959354",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631953340",
            "telephone_number": "314-996-4900",
            "fax_number": "314-996-4901"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3009 NORTH NEW BALLAS ROAD STE 226A",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631952395",
            "telephone_number": "314-996-4900",
            "fax_number": "314-996-4901"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1011 Bowles Ave",
            "address_2": "St Francis Bldg., Suite 450",
            "address_purpose": "LOCATION",
            "city": "Fenton",
            "state": "MO",
            "postal_code": "630262395",
            "country_code": "US",
            "telephone_number": "314-467-1500",
            "fax_number": "314-467-1515",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FELDNER",
        "first_name": "WILLIAM",
        "middle_name": "FREDERICK",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-23",
        "last_updated": "2025-09-18",
        "certification_date": "2025-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MO",
            "license": "R1J82",
            "primary": true
        },
        {
            "code": "207QS0010X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Sports Medicine",
            "state": "MO",
            "license": "R1J82",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "205157811",
            "state": "MO"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "205157803",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2",
            "affiliation": "N",
            "endpointDescription": "BJC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "3009 North New Ballas Road Ste 226A",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631952395",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jennifer K Feldmann, ACNP
• Kristin Elaine Cowart Feldmann, MSW, LCSW
• Rebecca Sue Feldmann, MSNA, CRNA, APN
• Mary Feldmeier, RD
• Michael Feldmeier, M.D.
• Manijeh Felfeli, DMD
• Joshua Felgenhauer, MD
• Felice a. Rolnick, MD, PC
• Felicitas Z. Gatchalian MD, LLC
• Felicity Counseling Services, LLC

• Family Medicine Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Family Medicine Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.