Doctor profile · Federal record

Dr. Mark Giacomin, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Barrington, IL

  • NPI 1215948153
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
450 W Highway 22
Barrington, IL 600101919
(847) 381-9600
Mailing address
Po Box 98
Barrington, IL 600110098

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
December 31, 2021
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Illinois #036086637

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215948153. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,414
Distinct HCPCS
7
Medicare allowed
$122,676
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 434 401 $8
99285 Emergency department visit with high level of medical decision making 421 410 $183
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 310 305 $7
99284 Emergency department visit with moderate level of medical decision making 122 120 $126
99291 Critical care, first 30-74 minutes 86 86 $221
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 25 25 $179
99283 Emergency department visit with low level of medical decision making 16 16 $72

In context: peer comparison

Among 9 peers in this city , average services per provider: 182. This provider delivers 7.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$108
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $107.97

By nature of payment

Food and Beverage
$108

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
107
Patients
106
Total drug cost
$653
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 48 48 $199
Cephalexin Generic 21 21 $93
Ondansetron Odt (Ondansetron) Brand 20 19 $121
Methylprednisolone Generic 18 18 $240

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Giacomin's medical specialty?
Dr. Mark Giacomin practices Emergency Medicine Physician in Barrington, IL.
Where does Dr. Mark Giacomin practice?
Dr. Mark Giacomin practices at 450 W Highway 22, Barrington, IL 600101919. Office phone: 8473819600.
What is Dr. Mark Giacomin's NPI?
Dr. Mark Giacomin's National Provider Identifier (NPI) is 1215948153, issued by NPPES.
Does Dr. Mark Giacomin accept Medicare assignment?
Yes. Dr. Mark Giacomin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Giacomin 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); Electrocardiogram (ecg) 1 to 3 leads with review by physician only (HCPCS 93042). Source: CMS Medicare Physician & Other Practitioners file.