Doctor profile · Federal record
Dr. Joseph Brantman, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Lake Geneva, WI
- NPI 1982090676
- Accepts Medicare
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
Mercy Walworth Medical Center, N2950 Hwy 67
Lake Geneva, WI 531472655
(262) 245-2230 - Additional location
-
800 Riverside Dr
Waupaca, WI 549811943
(715) 258-1000
fax (715) 258-1042 - Additional location
-
Marshfield Clinic, 1000 N Oak Avenue
Marshfield, WI 54449
(153) 875-5117
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- January 7, 2026
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Wisconsin #67362
- Medicaid
- WI #100047345
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982090676. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
214
Distinct HCPCS
4
Medicare allowed
$25,434
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 96 | 92 | $165 | |
99284 |
Emergency department visit with moderate level of medical decision making | 74 | 71 | $114 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 31 | 22 | $8 | |
99283 |
Emergency department visit with low level of medical decision making | 13 | 13 | $67 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 38. This provider delivers 5.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
45
Patients
44
Total drug cost
$200
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 20 | 20 | $68 |
| Ondansetron Odt (Ondansetron) | Brand | 13 | 12 | $63 |
| Cephalexin | Generic | 12 | 12 | $69 |
Hospital affiliations
Frequently asked questions
What is Dr. Joseph Brantman's medical specialty?
Dr. Joseph Brantman practices Emergency Medicine Physician in Lake Geneva, WI.
Where does Dr. Joseph Brantman practice?
Dr. Joseph Brantman practices at Mercy Walworth Medical Center, Lake Geneva, WI 531472655. Office phone: 2622452230.
What is Dr. Joseph Brantman's NPI?
Dr. Joseph Brantman's National Provider Identifier (NPI) is 1982090676, issued by NPPES.
Does Dr. Joseph Brantman accept Medicare assignment?
Yes. Dr. Joseph Brantman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Brantman 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); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.