Doctor profile · Federal record

Dr. Mark Hlava, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Summit, WI

  • NPI 1821048224
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
36500 Aurora Dr
Summit, WI 530664899
(262) 434-1900
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
October 2, 2023
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Wisconsin #33391
Medicaid
WI #32033700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821048224. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
258
Distinct HCPCS
5
Medicare allowed
$19,910
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 120 114 $8
99285 Emergency department visit with high level of medical decision making 63 62 $161
99284 Emergency department visit with moderate level of medical decision making 45 45 $113
99283 Emergency department visit with low level of medical decision making 16 16 $68
99291 Critical care, first 30-74 minutes 14 14 $194

In context: peer comparison

Among 7 peers in this city , average services per provider: 93. This provider delivers 2.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
14
Total drug cost
$60
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 14 14 $60

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Hlava's medical specialty?
Dr. Mark Hlava practices Emergency Medicine Physician in Summit, WI.
Where does Dr. Mark Hlava practice?
Dr. Mark Hlava practices at 36500 Aurora Dr, Summit, WI 530664899. Office phone: 2624341900.
What is Dr. Mark Hlava's NPI?
Dr. Mark Hlava's National Provider Identifier (NPI) is 1821048224, issued by NPPES.
Does Dr. Mark Hlava accept Medicare assignment?
Yes. Dr. Mark Hlava accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Hlava 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 high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.