Doctor profile · Federal record
Dr. JOHN WALLING, DO
Gastroenterology Physician (CMS: GASTROENTEROLOGY) · EAST LANSING, MI
- NPI 1073579512
- Accepts Medicare
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1650 RAMBLEWOOD DR
EAST LANSING, MI 488237396
(517) 332-1200
fax (517) 351-7122
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Michigan #5101009749
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1073579512. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
422
Distinct HCPCS
10
Medicare allowed
$56,176
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 58 | 58 | $243 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 58 | 58 | $123 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 41 | 41 | $94 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 35 | 30 | $77 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 33 | 21 | $47 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 32 | 32 | $116 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 30 | 29 | $87 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 30 | 30 | $243 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 24 | 24 | $154 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 20 | 20 | $139 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 29. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$670
Transactions
29
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 15 | $261.71 | |
| Boston Scientific Corporation | 1 | $128.98 | |
| Janssen Biotech, Inc. | 3 | $68.70 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $51.81 | |
| Regeneron Healthcare Solutions, Inc. | 2 | $41.89 | |
| Phathom Pharmaceuticals, Inc. | 2 | $34.37 | |
| Gilead Sciences, Inc. | 1 | $24.48 | |
| Lilly USA, LLC | 1 | $21.37 | |
| Ipsen Biopharmaceuticals, Inc | 1 | $19.17 | |
| QOL Medical, LLC | 1 | $17.03 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
944
Patients
596
Total drug cost
$812,193
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 303 | 299 | $6,265 |
| Omeprazole | Generic | 148 | 60 | $2,303 |
| Pantoprazole Sodium | Generic | 142 | 51 | $2,601 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 111 | 110 | $17,683 |
| Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 48 | 46 | $978 |
| Dicyclomine Hcl | Generic | 38 | 14 | $1,347 |
| Humira(Cf) Pen (Adalimumab) | Brand | 25 | 0 | $250,220 |
| Mesalamine | Generic | 22 | 0 | $19,874 |
| Stelara (Ustekinumab) | Brand | 18 | 0 | $487,941 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 16 | 0 | $745 |