Doctor profile · Federal record
Dr. John Oostema, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Anesthesiology Physician · Grand Rapids, MI
- NPI 1265483861
- Accepts Medicare
- MIPS 89.7 / 100 · 2023
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 Michigan St Ne
Grand Rapids, MI 495032560
(616) 391-1680 - Mailing address
-
2537 Momentum Pl
Chicago, IL 606895325
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- April 27, 2012
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Michigan #4301089762
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265483861. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
104
Distinct HCPCS
3
Medicare allowed
$16,423
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 52 | 51 | $175 | |
99284 |
Emergency department visit with moderate level of medical decision making | 40 | 40 | $120 | |
99291 |
Critical care, first 30-74 minutes | 12 | 12 | $210 |
In context: peer comparison
Among 50 peers in this city , average services per provider: 100. This provider delivers 1.0× the peer median.Open Payments
Industry payments received
All-time total
$125
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Neurelis, Inc. | 1 | $124.86 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. John Oostema's medical specialty?
Dr. John Oostema practices Emergency Medicine Physician in Grand Rapids, MI.
Where does Dr. John Oostema practice?
Dr. John Oostema practices at 100 Michigan St Ne, Grand Rapids, MI 495032560. Office phone: 6163911680.
What is Dr. John Oostema's NPI?
Dr. John Oostema's National Provider Identifier (NPI) is 1265483861, issued by NPPES.
Does Dr. John Oostema accept Medicare assignment?
Yes. Dr. John Oostema accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Oostema commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.