Doctor profile · Federal record
Dr. Aaron Ginster, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Grafton, WI
- NPI 1265726582
- Accepts Medicare
- 15 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
975 Port Washington RD
Grafton, WI 530249204
(262) 329-1000 - Mailing address
-
Po Box 735044
Chicago, IL 606735044
Credentials & registration
- NPI registered
- June 2011 — 15 yrs on file
- Profile last updated
- July 8, 2024
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Wisconsin #63598 · Illinois #125059600
- Medicaid
- WI #100045979
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265726582. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
527
Distinct HCPCS
5
Medicare allowed
$70,610
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 310 | 291 | $164 | |
99284 |
Emergency department visit with moderate level of medical decision making | 87 | 84 | $110 | |
93308 |
Ultrasound of heart, follow-up | 68 | 67 | $24 | |
99291 |
Critical care, first 30-74 minutes | 33 | 33 | $202 | |
99283 |
Emergency department visit with low level of medical decision making | 29 | 29 | $68 |
In context: peer comparison
Among 4 peers in Grafton Emergency Medicine Physician, average services per provider: 79. This provider delivers 6.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
179
Patients
177
Total drug cost
$2,113
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Odt (Ondansetron) | Brand | 38 | 38 | $532 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 29 | 29 | $142 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 24 | 24 | $319 |
| Doxycycline Monohydrate | Generic | 22 | 21 | $338 |
| Cefdinir | Generic | 21 | 21 | $423 |
| Cephalexin | Generic | 17 | 17 | $152 |
| Sucralfate | Generic | 14 | 14 | $131 |
| Tizanidine Hcl | Generic | 14 | 13 | $76 |
Hospital affiliations
Frequently asked questions
What is Dr. Aaron Ginster's medical specialty?
Dr. Aaron Ginster practices Emergency Medicine Physician in Grafton, WI.
Where does Dr. Aaron Ginster practice?
Dr. Aaron Ginster practices at 975 Port Washington RD, Grafton, WI 530249204. Office phone: 2623291000.
What is Dr. Aaron Ginster's NPI?
Dr. Aaron Ginster's National Provider Identifier (NPI) is 1265726582, issued by NPPES.
Does Dr. Aaron Ginster accept Medicare assignment?
Yes. Dr. Aaron Ginster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Ginster commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Ultrasound of heart, follow-up (HCPCS 93308). Source: CMS Medicare Physician & Other Practitioners file.