Doctor profile · Federal record
Dr. Guy Felder, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Saint Louis, MO
- NPI 1427159714
- Accepts Medicare
- MIPS 88.1 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5640C Telegraph RD
Saint Louis, MO 631294243
(314) 293-4413 - Mailing address
-
10433 Starhill Acres Dr
Saint Louis, MO 631283243
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- November 13, 2025
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Missouri #R8J13
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427159714. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
80
Distinct HCPCS
3
Medicare allowed
$9,966
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 39 | 39 | $114 | |
99285 |
Emergency department visit with high level of medical decision making | 25 | 25 | $174 | |
99283 |
Emergency department visit with low level of medical decision making | 16 | 15 | $71 |
In context: peer comparison
Among 216 peers in this city , average services per provider: 171. This provider delivers 0.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
26
Patients
26
Total drug cost
$188
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 14 | 14 | $95 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 12 | 12 | $94 |
Frequently asked questions
What is Dr. Guy Felder's medical specialty?
Dr. Guy Felder practices Internal Medicine Physician in Saint Louis, MO.
Where does Dr. Guy Felder practice?
Dr. Guy Felder practices at 5640C Telegraph RD, Saint Louis, MO 631294243. Office phone: 3142934413.
What is Dr. Guy Felder's NPI?
Dr. Guy Felder's National Provider Identifier (NPI) is 1427159714, issued by NPPES.
Does Dr. Guy Felder accept Medicare assignment?
Yes. Dr. Guy Felder accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Guy Felder commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.