Doctor profile · Federal record
Dr. Christopher Ko, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Ann Arbor, MI
- NPI 1497142301
- Accepts Medicare
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000 - Mailing address
-
3621 S State St
Ann Arbor, MI 481081633
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- August 28, 2022
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Michigan #4301503832
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497142301. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
436
Distinct HCPCS
10
Medicare allowed
$55,969
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43264 |
Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | 58 | 41 | $127 | |
74328 |
Review by radiologist of image from tube placement into bile duct using an endoscope | 57 | 40 | $22 | |
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 | 48 | 44 | $5 | |
43276 |
Replacement of stent in pancreatic or bile duct using a flexible endoscope | 32 | 14 | $354 | |
43242 |
Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 26 | 25 | $203 | |
43259 |
Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 25 | 24 | $188 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 24 | 21 | $51 | |
43266 |
Placement of stent in esophagus, stomach, and/or upper small bowel using a flexible endoscope | 24 | 22 | $157 | |
43274 |
Insertion of stent into pancreatic or bile duct using a flexible endoscope | 23 | 17 | $361 | |
74360 |
Review by radiologist of image to guide opening of digestive tract | 20 | 19 | $26 |
In context: peer comparison
Among 24 peers in this city , average services per provider: 25. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$1,283
Transactions
17
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 17 | $1,282.84 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
17
Patients
14
Total drug cost
$40
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levofloxacin | Generic | 17 | 14 | $40 |
Hospital affiliations
Frequently asked questions
What is Dr. Christopher Ko's medical specialty?
Dr. Christopher Ko practices Gastroenterology Physician in Ann Arbor, MI.
Where does Dr. Christopher Ko practice?
Dr. Christopher Ko practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Christopher Ko's NPI?
Dr. Christopher Ko's National Provider Identifier (NPI) is 1497142301, issued by NPPES.
Does Dr. Christopher Ko accept Medicare assignment?
Yes. Dr. Christopher Ko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Ko commonly perform?
Top Medicare-reported procedures in 2023: Removal of stone or debris from bile or pancreatic duct using a flexible endoscope (HCPCS 43264); Review by radiologist of image from tube placement into bile duct using an endoscope (HCPCS 74328); 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.