Doctor profile · Federal record
Dr. Garrett Kerndt, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Grand Rapids, MI
- NPI 1043578982
- Accepts Medicare
- MIPS 93.8 / 100 · 2023
- 14 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 Michigan St Ne, A721
Grand Rapids, MI 495032560
(616) 391-3139
fax (616) 391-3044
Credentials & registration
- NPI registered
- April 2012 — 14 yrs on file
- Profile last updated
- February 25, 2021
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Michigan #43601106815
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043578982. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
75
Distinct HCPCS
2
Medicare allowed
$11,461
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 46 | 46 | $168 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 29 | 29 | $128 |
In context: peer comparison
Among 105 peers in Grand Rapids Internal Medicine Physician, average services per provider: 82. This provider delivers 0.9× the peer median.Open Payments
Industry payments received
All-time total
$183
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, INC. | 1 | $134.40 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $48.57 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Garrett Kerndt's medical specialty?
Dr. Garrett Kerndt practices Internal Medicine Physician in Grand Rapids, MI.
Where does Dr. Garrett Kerndt practice?
Dr. Garrett Kerndt practices at 100 Michigan St Ne, Grand Rapids, MI 495032560. Office phone: 6163913139.
What is Dr. Garrett Kerndt's NPI?
Dr. Garrett Kerndt's National Provider Identifier (NPI) is 1043578982, issued by NPPES.
Does Dr. Garrett Kerndt accept Medicare assignment?
Yes. Dr. Garrett Kerndt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Garrett Kerndt commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.