Doctor profile · Federal record
Dr. Jillian Grzegorczyk, RN
Family Nurse Practitioner (CMS: Nurse Practitioner) · Muskegon, MI
- NPI 1942789805
- Accepts Medicare
- 8 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2009 Holton RD
Muskegon, MI 494451578
(616) 935-3479 - Mailing address
-
100 Michigan St Ne, Mc 845
Grand Rapids, MI 495032560
Credentials & registration
- NPI registered
- August 2018 — 8 yrs on file
- Profile last updated
- December 1, 2025
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Michigan #4704274790
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942789805. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
292
Distinct HCPCS
2
Medicare allowed
$21,639
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 223 | 118 | $65 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 69 | 59 | $104 |
In context: peer comparison
Among 13 peers in Muskegon Family Nurse Practitioner, average services per provider: 49. This provider delivers 6.0× the peer median.Open Payments
Industry payments received
All-time total
$348
Transactions
18
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 2 | $49.15 | |
| Zoll Services LLC (A/K/A Zoll LifeCor Corp) | 3 | $46.42 | |
| Kestra Medical Technology Services, INC. | 2 | $45.58 | |
| Merck Sharp & Dohme LLC | 2 | $41.22 | |
| Scpharmaceuticals INC. | 2 | $34.47 | |
| Boston Scientific Corporation | 1 | $34.05 | |
| Abiomed | 1 | $17.79 | |
| Daiichi Sankyo INC. | 1 | $17.08 | |
| Sanofi-Aventis U.S. LLC | 1 | $16.71 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $16.61 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $14.63 | |
| Novartis Pharmaceuticals Corporation | 1 | $14.39 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,046
Patients
482
Total drug cost
$422,672
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Spironolactone | Generic | 178 | 85 | $2,207 |
| Jardiance (Empagliflozin) | Brand | 157 | 69 | $177,011 |
| Metoprolol Succinate | Generic | 132 | 65 | $3,998 |
| Entresto (Sacubitril/Valsartan) | Brand | 106 | 40 | $133,455 |
| Furosemide | Generic | 76 | 45 | $670 |
| Carvedilol | Generic | 69 | 40 | $1,242 |
| Eliquis (Apixaban) | Brand | 58 | 19 | $61,483 |
| Atorvastatin Calcium | Generic | 55 | 21 | $925 |
| Isosorbide Mononitrate ER (Isosorbide Mononitrate) | Brand | 36 | 15 | $691 |
| Lisinopril | Generic | 36 | 15 | $462 |
Frequently asked questions
What is Dr. Jillian Grzegorczyk's medical specialty?
Dr. Jillian Grzegorczyk practices Family Nurse Practitioner in Muskegon, MI.
Where does Dr. Jillian Grzegorczyk practice?
Dr. Jillian Grzegorczyk practices at 2009 Holton RD, Muskegon, MI 494451578. Office phone: 6169353479.
What is Dr. Jillian Grzegorczyk's NPI?
Dr. Jillian Grzegorczyk's National Provider Identifier (NPI) is 1942789805, issued by NPPES.
Does Dr. Jillian Grzegorczyk accept Medicare assignment?
Yes. Dr. Jillian Grzegorczyk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jillian Grzegorczyk commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.