Doctor profile · Federal record
Dr. Jeffrey Grzelka
Emergency Medicine Physician (CMS: Emergency Medicine) · Burlington, WI
- NPI 1780124875
- Accepts Medicare
- 9 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
252 McHenry St
Burlington, WI 531051828
(262) 767-6000 - Additional location
-
20201 Crawford Ave
Olympia Fields, IL 604611010
(708) 747-4000 - Mailing address
-
Po Box 735044
Chicago, IL 606735044
Credentials & registration
- NPI registered
- March 2017 — 9 yrs on file
- Profile last updated
- July 12, 2024
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Wisconsin #75435
- Medicaid
- WI #100174404
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1780124875. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
338
Distinct HCPCS
4
Medicare allowed
$46,860
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 139 | 134 | $159 | |
99284 |
Emergency department visit with moderate level of medical decision making | 104 | 101 | $107 | |
99291 |
Critical care, first 30-74 minutes | 57 | 54 | $194 | |
99283 |
Emergency department visit with low level of medical decision making | 38 | 36 | $65 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 83. This provider delivers 4.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
144
Patients
142
Total drug cost
$1,004
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 27 | 27 | $123 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 26 | 25 | $265 |
| Prednisone | Generic | 25 | 24 | $70 |
| Azithromycin | Generic | 20 | 20 | $93 |
| Tramadol Hcl | Generic | 19 | 19 | $37 |
| Ondansetron Odt (Ondansetron) | Brand | 15 | 15 | $162 |
| Cefdinir | Generic | 12 | 12 | $254 |
Hospital affiliations
Frequently asked questions
What is Dr. Jeffrey Grzelka's medical specialty?
Dr. Jeffrey Grzelka practices Emergency Medicine Physician in Burlington, WI.
Where does Dr. Jeffrey Grzelka practice?
Dr. Jeffrey Grzelka practices at 252 McHenry St, Burlington, WI 531051828. Office phone: 2627676000.
What is Dr. Jeffrey Grzelka's NPI?
Dr. Jeffrey Grzelka's National Provider Identifier (NPI) is 1780124875, issued by NPPES.
Does Dr. Jeffrey Grzelka accept Medicare assignment?
Yes. Dr. Jeffrey Grzelka accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Grzelka 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.