Doctor profile · Federal record
Dr. John Weber, MD
Gastroenterology Physician (CMS: Gastroenterology) · Troy, MI
- NPI 1770568289
- Accepts Medicare
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4600 Investment Dr, Suite 380
Troy, MI 480986365
(248) 844-9710
fax (248) 844-9711
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- February 12, 2010
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Michigan #4301069183
- Medicaid
- MI #334787610
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770568289. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,045
Distinct HCPCS
10
Medicare allowed
$129,833
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45380 |
Biopsy of large bowel using a flexible endoscope | 219 | 217 | $154 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 218 | 149 | $80 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 171 | 161 | $89 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 90 | 90 | $260 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 69 | 57 | $112 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 44 | 44 | $187 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 38 | 33 | $67 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 37 | 37 | $107 | |
43248 |
Insertion of guide wire with dilation of esophagus using a flexible endoscope | 36 | 35 | $142 | |
91065 |
Measurement of hydrogen in breath to test for stomach and bowel symptoms | 34 | 21 | $50 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 68. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$1,342
Transactions
70
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 21 | $368.30 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 10 | $167.69 | |
| PFIZER INC. | 6 | $131.62 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 6 | $128.18 | |
| Janssen Biotech, Inc. | 5 | $86.17 | |
| Regeneron Healthcare Solutions, Inc. | 4 | $72.11 | |
| GENZYME CORPORATION | 3 | $64.03 | |
| Intercept Pharmaceuticals, Inc. | 3 | $60.09 | |
| Lilly USA, LLC | 3 | $54.18 | |
| Phathom Pharmaceuticals, Inc. | 2 | $37.57 | |
| Ardelyx, Inc. | 2 | $32.27 | |
| Mauna Kea Technologies, Inc. | 2 | $31.70 | |
| Medtronic, Inc. | 1 | $23.84 | |
| QOL Medical, LLC | 1 | $21.68 | |
| Sandoz Inc. | 1 | $19.28 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,228
Patients
491
Total drug cost
$1,283,571
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 468 | 202 | $8,959 |
| Famotidine | Generic | 184 | 76 | $3,792 |
| Pantoprazole Sodium | Generic | 129 | 47 | $3,344 |
| Rabeprazole Sodium | Generic | 84 | 29 | $4,300 |
| Dicyclomine Hcl | Generic | 65 | 37 | $1,946 |
| Amitriptyline Hcl | Generic | 53 | 20 | $664 |
| Stelara (Ustekinumab) | Brand | 46 | 0 | $1,225,609 |
| Mesalamine | Generic | 32 | 15 | $21,708 |
| Metoclopramide Hcl | Generic | 28 | 15 | $405 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 26 | 0 | $1,469 |
Hospital affiliations
Frequently asked questions
What is Dr. John Weber's medical specialty?
Dr. John Weber practices Gastroenterology Physician in Troy, MI.
Where does Dr. John Weber practice?
Dr. John Weber practices at 4600 Investment Dr, Troy, MI 480986365. Office phone: 2488449710.
What is Dr. John Weber's NPI?
Dr. John Weber's National Provider Identifier (NPI) is 1770568289, issued by NPPES.
Does Dr. John Weber accept Medicare assignment?
Yes. Dr. John Weber accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Weber commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.