Doctor profile · Federal record
Dr. Grant Comstock
Emergency Medicine Physician (CMS: Emergency Medicine) · Medical Toxicology (Emergency Medicine) Physician · Milwaukee, WI
- NPI 1235591439
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
9200 W Wisconsin Ave
Milwaukee, WI 532263522
(414) 955-6450
fax (414) 955-0082 - Additional location
-
4805 S Moorland RD
New Berlin, WI 531517401
(262) 796-0001
fax (262) 796-0059
Credentials & registration
- NPI registered
- March 2016 — 10 yrs on file
- Profile last updated
- November 4, 2022
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Wisconsin #76917
- Medicaid
- WI #1235591439
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235591439. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
565
Distinct HCPCS
5
Medicare allowed
$52,854
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 175 | 129 | $8 | |
99284 |
Emergency department visit with moderate level of medical decision making | 172 | 168 | $114 | |
99285 |
Emergency department visit with high level of medical decision making | 134 | 134 | $164 | |
99283 |
Emergency department visit with low level of medical decision making | 52 | 50 | $67 | |
99291 |
Critical care, first 30-74 minutes | 32 | 32 | $202 |
In context: peer comparison
Among 117 peers in this city , average services per provider: 82. This provider delivers 6.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
85
Patients
84
Total drug cost
$906
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefdinir | Generic | 19 | 19 | $486 |
| Cephalexin | Generic | 16 | 16 | $129 |
| Prednisone | Generic | 14 | 14 | $37 |
| Ondansetron Odt (Ondansetron) | Brand | 13 | 12 | $118 |
| Oxycodone Hcl | Generic | 12 | 12 | $29 |
| Doxycycline Hyclate | Generic | 11 | 11 | $107 |
Hospital affiliations
Frequently asked questions
What is Dr. Grant Comstock's medical specialty?
Dr. Grant Comstock practices Emergency Medicine Physician in Milwaukee, WI.
Where does Dr. Grant Comstock practice?
Dr. Grant Comstock practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4149556450.
What is Dr. Grant Comstock's NPI?
Dr. Grant Comstock's National Provider Identifier (NPI) is 1235591439, issued by NPPES.
Does Dr. Grant Comstock accept Medicare assignment?
Yes. Dr. Grant Comstock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grant Comstock commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.