Doctor profile · Federal record
Dr. William Feldner, D.O.
Family Medicine Physician (CMS: Family Practice) · Sports Medicine (Family Medicine) Physician · Saint Louis, MO
- NPI 1922085539
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3009 North New Ballas Road Ste 226A
Saint Louis, MO 631952395
(314) 996-4900
fax (314) 996-4901 - Additional location
-
1011 Bowles Ave, St Francis Bldg., Suite 450
Fenton, MO 630262395
(314) 467-1500
fax (314) 467-1515 - Mailing address
-
Po Box 959354
Saint Louis, MO 631953340
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- September 18, 2025
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Missouri #R1J82
- Medicaid (2)
- MO #205157811 · MO #205157803
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922085539. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
683
Distinct HCPCS
10
Medicare allowed
$29,169
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 165 | 79 | $124 | |
36415 |
Insertion of needle into vein for collection of blood sample | 105 | 63 | $8 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 84 | 57 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 78 | 58 | $10 | |
83036 |
Hemoglobin a1c level | 49 | 29 | $10 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 45 | 39 | $13 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 33 | 20 | $88 | |
83721 |
Ldl cholesterol level | 26 | 23 | $10 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 24 | 20 | $16 | |
80048 |
Blood test, basic group of blood chemicals (calcium, total) | 15 | 13 | $8 |
In context: peer comparison
Among 71 peers in this city , average services per provider: 73. This provider delivers 9.4× the peer median.Open Payments
Industry payments received
All-time total
$17
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 1 | $17.45 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,578
Patients
743
Total drug cost
$35,520
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 576 | 163 | $8,259 |
| Lisinopril | Generic | 281 | 77 | $2,035 |
| Amlodipine Besylate | Generic | 249 | 63 | $1,943 |
| Losartan Potassium | Generic | 198 | 55 | $2,589 |
| Levothyroxine Sodium | Generic | 188 | 48 | $3,837 |
| Metoprolol Succinate | Generic | 173 | 50 | $3,476 |
| Metformin Hcl | Generic | 140 | 41 | $1,407 |
| Gabapentin | Generic | 116 | 35 | $3,094 |
| Simvastatin | Generic | 111 | 27 | $863 |
| Pantoprazole Sodium | Generic | 106 | 39 | $1,650 |
Frequently asked questions
What is Dr. William Feldner's medical specialty?
Dr. William Feldner practices Family Medicine Physician in Saint Louis, MO.
Where does Dr. William Feldner practice?
Dr. William Feldner practices at 3009 North New Ballas Road Ste 226A, Saint Louis, MO 631952395. Office phone: 3149964900.
What is Dr. William Feldner's NPI?
Dr. William Feldner's National Provider Identifier (NPI) is 1922085539, issued by NPPES.
Does Dr. William Feldner accept Medicare assignment?
Yes. Dr. William Feldner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Feldner commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.