Doctor profile · Federal record
Dr. Jon Walker, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Dublin, OH
- NPI 1588716237
- Accepts Medicare
- MIPS 87.8 / 100 · 2023
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
6670 Perimeter Dr Ste 200
Dublin, OH 430168065
(614) 754-5500
fax (614) 754-5501 - Additional location
-
3400 Olentangy River RD
Columbus, OH 432021523 - Additional location
-
3595 Olentangy River RD
Columbus, OH 432143440
(614) 566-5456
fax (614) 566-6902 - Mailing address
-
3400 Olentangy River RD
Columbus, OH 432021523
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- February 12, 2020
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Ohio #35.084373
- Medicaid
- OH #2760927
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588716237. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
686
Distinct HCPCS
10
Medicare allowed
$89,320
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45380 |
Biopsy of large bowel using a flexible endoscope | 124 | 124 | $125 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 91 | 88 | $90 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 87 | 86 | $239 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 83 | 69 | $86 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 69 | 63 | $119 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 47 | 46 | $108 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 33 | 33 | $159 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 21 | 21 | $5 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 19 | 19 | $163 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 19 | 19 | $126 |
In context: peer comparison
Among 4 peers in Dublin Gastroenterology Physician, average services per provider: 36. This provider delivers 19× the peer median.Open Payments
Industry payments received
All-time total
$346
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Fujifilm Healthcare Americas Corporation | 1 | $193.38 | |
| Phathom Pharmaceuticals, INC. | 1 | $125.86 | |
| Genzyme Corporation | 1 | $26.58 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,051
Patients
579
Total drug cost
$227,106
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 361 | 359 | $7,943 |
| Omeprazole | Generic | 184 | 65 | $2,569 |
| Pantoprazole Sodium | Generic | 108 | 34 | $1,221 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 68 | 68 | $1,060 |
| Dicyclomine Hcl | Generic | 47 | 18 | $1,253 |
| Mesalamine | Generic | 41 | 0 | $40,672 |
| Colestipol Hcl | Generic | 38 | 13 | $4,007 |
| Balsalazide Disodium | Generic | 34 | 0 | $7,476 |
| Linzess (Linaclotide) | Brand | 32 | 0 | $26,737 |
| Famotidine | Generic | 29 | 11 | $202 |
Hospital affiliations
Frequently asked questions
What is Dr. Jon Walker's medical specialty?
Dr. Jon Walker practices Gastroenterology Physician in Dublin, OH.
Where does Dr. Jon Walker practice?
Dr. Jon Walker practices at 6670 Perimeter Dr Ste 200, Dublin, OH 430168065. Office phone: 6147545500.
What is Dr. Jon Walker's NPI?
Dr. Jon Walker's National Provider Identifier (NPI) is 1588716237, issued by NPPES.
Does Dr. Jon Walker accept Medicare assignment?
Yes. Dr. Jon Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jon Walker commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.