Doctor profile · Federal record
Dr. Andrew Shreiner, MD
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Grand Rapids, MI
- NPI 1437461639
- Accepts Medicare
- MIPS 93.8 / 100 · 2023
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4100 Lake Dr Se, Suite 205
Grand Rapids, MI 495468292
(616) 267-7414
fax (616) 267-7137 - Mailing address
-
100 Michigan St Ne, Mc 845
Grand Rapids, MI 495032560
Credentials & registration
- NPI registered
- July 2010 — 16 yrs on file
- Profile last updated
- February 17, 2021
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Michigan #4301097133
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437461639. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
239
Distinct HCPCS
8
Medicare allowed
$22,829
| 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 | 70 | 65 | $5 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 39 | 39 | $126 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 35 | 35 | $247 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 26 | 25 | $66 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 25 | 18 | $78 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 16 | 12 | $132 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 15 | 15 | $122 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 13 | 13 | $100 |
In context: peer comparison
Among 14 peers in Grand Rapids Gastroenterology Physician, average services per provider: 33. This provider delivers 7.2× the peer median.Open Payments
Industry payments received
All-time total
$35
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 1 | $21.00 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $13.76 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
592
Patients
235
Total drug cost
$37,776
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 211 | 62 | $3,077 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 162 | 161 | $4,770 |
| Pantoprazole Sodium | Generic | 62 | 0 | $781 |
| Linzess (Linaclotide) | Brand | 31 | 0 | $14,807 |
| Azathioprine | Generic | 26 | 0 | $1,313 |
| Famotidine | Generic | 18 | 0 | $413 |
| Budesonide Dr (Budesonide) | Brand | 15 | 0 | $3,232 |
| Lansoprazole | Generic | 15 | 0 | $418 |
| Mesalamine | Generic | 15 | 0 | $6,388 |
| Furosemide | Generic | 13 | 0 | $46 |
Hospital affiliations
Frequently asked questions
What is Dr. Andrew Shreiner's medical specialty?
Dr. Andrew Shreiner practices Gastroenterology Physician in Grand Rapids, MI.
Where does Dr. Andrew Shreiner practice?
Dr. Andrew Shreiner practices at 4100 Lake Dr Se, Grand Rapids, MI 495468292. Office phone: 6162677414.
What is Dr. Andrew Shreiner's NPI?
Dr. Andrew Shreiner's National Provider Identifier (NPI) is 1437461639, issued by NPPES.
Does Dr. Andrew Shreiner accept Medicare assignment?
Yes. Dr. Andrew Shreiner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Shreiner 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); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.