Doctor profile · Federal record
Dr. Larry Deffenbaugh, D.O.
Gastroenterology Physician (CMS: Gastroenterology) · Carthage, MO
- NPI 1447290622
- Accepts Medicare
- 52 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3114 Medical Park Dr
Carthage, MO 648361211
(620) 783-2430 - Additional location
-
198 Four States Dr, Ste 2
Galena, KS 667394305
(417) 782-4701
fax (417) 624-5881
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- October 13, 2021
- Year of graduation
- 1974 — 52 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Missouri #R6321
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1447290622. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
270
Distinct HCPCS
7
Medicare allowed
$39,134
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 61 | 53 | $118 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 55 | 55 | $171 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 53 | 51 | $83 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 39 | 39 | $235 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 30 | 29 | $111 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 18 | 18 | $186 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 14 | 13 | $164 |
In context: peer comparison
Among 1 peers in Carthage Gastroenterology Physician, average services per provider: 38. This provider delivers 7.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
588
Patients
249
Total drug cost
$25,828
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 122 | 55 | $1,736 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 80 | 79 | $1,217 |
| Colestipol Hcl | Generic | 57 | 24 | $4,525 |
| Dicyclomine Hcl | Generic | 57 | 28 | $1,452 |
| Sucralfate | Generic | 45 | 17 | $2,075 |
| Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 30 | 30 | $548 |
| Baclofen | Generic | 29 | 16 | $324 |
| Ursodiol | Generic | 28 | 0 | $3,303 |
| Prednisone | Generic | 23 | 0 | $176 |
| Azathioprine | Generic | 21 | 0 | $1,206 |
Frequently asked questions
What is Dr. Larry Deffenbaugh's medical specialty?
Dr. Larry Deffenbaugh practices Gastroenterology Physician in Carthage, MO.
Where does Dr. Larry Deffenbaugh practice?
Dr. Larry Deffenbaugh practices at 3114 Medical Park Dr, Carthage, MO 648361211. Office phone: 6207832430.
What is Dr. Larry Deffenbaugh's NPI?
Dr. Larry Deffenbaugh's National Provider Identifier (NPI) is 1447290622, issued by NPPES.
Does Dr. Larry Deffenbaugh accept Medicare assignment?
Yes. Dr. Larry Deffenbaugh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Larry Deffenbaugh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk (HCPCS G0121); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.