Doctor profile · Federal record
Dr. John Hamilton, MD
Gastroenterology Physician · Madison, WI
- NPI 1659310969
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
700 S Park St, Dean St. Mary's Outpatient Center
Madison, WI 537151830
(608) 260-2900
fax (608) 260-2977
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- November 18, 2020
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Wisconsin #23969-020
- Medicaid
- WI #1659310969
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659310969. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
16
Distinct HCPCS
1
Medicare allowed
$78
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
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 | 16 | 16 | $5 |
In context: peer comparison
Among 20 peers in Madison Gastroenterology Physician, average services per provider: 38. This provider delivers 0.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
12
Total drug cost
$237
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 13 | 12 | $237 |
Frequently asked questions
What is Dr. John Hamilton's medical specialty?
Dr. John Hamilton practices Gastroenterology Physician in Madison, WI.
Where does Dr. John Hamilton practice?
Dr. John Hamilton practices at 700 S Park St, Madison, WI 537151830. Office phone: 6082602900.
What is Dr. John Hamilton's NPI?
Dr. John Hamilton's National Provider Identifier (NPI) is 1659310969, issued by NPPES.
What procedures does Dr. John Hamilton commonly perform?
Top Medicare-reported procedures in 2023: 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 (HCPCS G0500). Source: CMS Medicare Physician & Other Practitioners file.