Doctor profile · Federal record
Dr. Gretta Grube, APNP
Family Nurse Practitioner · Oshkosh, WI
- NPI 1578963096
- 12 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2700 W 9Th Ave
Oshkosh, WI 549047247
(920) 236-1750 - Additional location
-
2350 N Lake Dr, Ste 206
Milwaukee, WI 532114528
(414) 298-7280 - Mailing address
-
2339 Hamilton St
Oshkosh, WI 549011712
Credentials & registration
- NPI registered
- September 2014 — 12 yrs on file
- Profile last updated
- September 13, 2019
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Wisconsin #5971-33
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578963096. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$48
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 2 | $48.17 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
204
Patients
0
Total drug cost
$1,939
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 30 | 0 | $252 |
| Lisinopril | Generic | 30 | 0 | $230 |
| Amlodipine Besylate | Generic | 23 | 0 | $239 |
| Levothyroxine Sodium | Generic | 23 | 0 | $228 |
| Simvastatin | Generic | 20 | 0 | $174 |
| Allopurinol | Generic | 18 | 0 | $308 |
| Spironolactone | Generic | 18 | 0 | $152 |
| Hydrochlorothiazide | Generic | 17 | 0 | $65 |
| Doxazosin Mesylate | Generic | 13 | 0 | $131 |
| Losartan Potassium | Generic | 12 | 0 | $161 |
Frequently asked questions
What is Dr. Gretta Grube's medical specialty?
Dr. Gretta Grube practices Family Nurse Practitioner in Oshkosh, WI.
Where does Dr. Gretta Grube practice?
Dr. Gretta Grube practices at 2700 W 9Th Ave, Oshkosh, WI 549047247. Office phone: 9202361750.
What is Dr. Gretta Grube's NPI?
Dr. Gretta Grube's National Provider Identifier (NPI) is 1578963096, issued by NPPES.