Doctor profile · Federal record
Dr. Michael Trembowicz, D.O.
Anesthesiology Physician (CMS: Anesthesiology) · Grand Rapids, MI
- NPI 1366632457
- Accepts Medicare
- MIPS 81.6 / 100 · 2023
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 Michigan St Ne
Grand Rapids, MI 495032560
(616) 391-1510
Credentials & registration
- NPI registered
- July 2007 — 19 yrs on file
- Profile last updated
- February 27, 2026
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Michigan #5101017370
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1366632457. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
19
Distinct HCPCS
1
Medicare allowed
$823
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36620 |
Insertion of artery tube for blood sampling or infusion through skin | 19 | 19 | $43 |
In context: peer comparison
Among 39 peers in Grand Rapids Anesthesiology Physician, average services per provider: 51. This provider delivers 0.4× the peer median.Open Payments
Industry payments received
All-time total
$15
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 1 | $14.62 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Michael Trembowicz's medical specialty?
Dr. Michael Trembowicz practices Anesthesiology Physician in Grand Rapids, MI.
Where does Dr. Michael Trembowicz practice?
Dr. Michael Trembowicz practices at 100 Michigan St Ne, Grand Rapids, MI 495032560. Office phone: 6163911510.
What is Dr. Michael Trembowicz's NPI?
Dr. Michael Trembowicz's National Provider Identifier (NPI) is 1366632457, issued by NPPES.
Does Dr. Michael Trembowicz accept Medicare assignment?
Yes. Dr. Michael Trembowicz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Trembowicz commonly perform?
Top Medicare-reported procedures in 2023: Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620). Source: CMS Medicare Physician & Other Practitioners file.