Doctor profile · Federal record
Dr. Stephen Simmer, MD
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Grand Rapids, MI
- NPI 1972953917
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4100 Lake Dr Se Ste 205
Grand Rapids, MI 495468292
(616) 267-7414 - Mailing address
-
100 Michigan St Ne # Mc845
Grand Rapids, MI 495032560
Credentials & registration
- NPI registered
- June 2016 — 10 yrs on file
- Profile last updated
- July 31, 2023
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Michigan #4301117308
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972953917. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
12
Distinct HCPCS
1
Medicare allowed
$743
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 12 | 12 | $62 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 33. This provider delivers 0.4× the peer median.Open Payments
Industry payments received
All-time total
$515
Transactions
4
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 2 | $294.30 | |
| Medtronic, Inc. | 1 | $123.37 | |
| Cook Medical LLC | 1 | $96.92 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
61
Patients
43
Total drug cost
$1,249
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 29 | 28 | $843 |
| Omeprazole | Generic | 19 | 15 | $171 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 13 | 0 | $236 |
Hospital affiliations
Frequently asked questions
What is Dr. Stephen Simmer's medical specialty?
Dr. Stephen Simmer practices Gastroenterology Physician in Grand Rapids, MI.
Where does Dr. Stephen Simmer practice?
Dr. Stephen Simmer practices at 4100 Lake Dr Se Ste 205, Grand Rapids, MI 495468292. Office phone: 6162677414.
What is Dr. Stephen Simmer's NPI?
Dr. Stephen Simmer's National Provider Identifier (NPI) is 1972953917, issued by NPPES.
Does Dr. Stephen Simmer accept Medicare assignment?
Yes. Dr. Stephen Simmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Simmer commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.