Doctor profile · Federal record
Dr. Margaret Shimkus, NP
Nurse Practitioner · Grand Rapids, MI
- NPI 1669487377
- Accepts Medicare
- MIPS 93.8 / 100 · 2023
- 31 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
221 Michigan St Ne, Suite 200
Grand Rapids, MI 495032533
(616) 267-8950 - Mailing address
-
100 Michigan St Ne, Mc 845
Grand Rapids, MI 495032560
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- February 17, 2021
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Michigan #4704176682
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669487377. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
228
Distinct HCPCS
3
Medicare allowed
$17,038
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 177 | 97 | $66 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 39 | 38 | $107 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 12 | 11 | $100 |
In context: peer comparison
Among 57 peers in Grand Rapids Nurse Practitioner, average services per provider: 52. This provider delivers 4.4× the peer median.Open Payments
Industry payments received
All-time total
$25
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Dexcom, INC. | 1 | $25.39 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
41
Patients
27
Total drug cost
$34,753
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trulicity (Dulaglutide) | Brand | 29 | 15 | $33,845 |
| Ultra-Fine Mini Pen Needle (Pen Needle, Diabetic) | Brand | 12 | 12 | $908 |
Hospital affiliations
Frequently asked questions
What is Dr. Margaret Shimkus's medical specialty?
Dr. Margaret Shimkus practices Nurse Practitioner in Grand Rapids, MI.
Where does Dr. Margaret Shimkus practice?
Dr. Margaret Shimkus practices at 221 Michigan St Ne, Grand Rapids, MI 495032533. Office phone: 6162678950.
What is Dr. Margaret Shimkus's NPI?
Dr. Margaret Shimkus's National Provider Identifier (NPI) is 1669487377, issued by NPPES.
Does Dr. Margaret Shimkus accept Medicare assignment?
Yes. Dr. Margaret Shimkus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Shimkus commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.