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 East Lansing Gastroenterology Physician, 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 |
Frequently asked questions
What is Dr. John Walling's medical specialty?
Dr. John Walling practices Gastroenterology Physician in East Lansing, MI.
Where does Dr. John Walling practice?
Dr. John Walling practices at 1650 Ramblewood Dr, East Lansing, MI 488237396. Office phone: 5173321200.
What is Dr. John Walling's NPI?
Dr. John Walling's National Provider Identifier (NPI) is 1073579512, issued by NPPES.
Does Dr. John Walling accept Medicare assignment?
Yes. Dr. John Walling accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Walling commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.