Doctor profile · Federal record

Dr. Marc Dorfman, MD

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

  • NPI 1912908583
  • Accepts Medicare
  • MIPS 98.4 / 100 · 2023
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
450 W Highway 22
Barrington, IL 60010
(847) 381-9600
fax (616) 285-0846
Mailing address
Po Box 98
Barrington, IL 600110098

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
August 7, 2018
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Illinois #036086890 · Illinois #036.086890

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912908583. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,093
Distinct HCPCS
5
Medicare allowed
$160,726
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 577 558 $188
99284 Emergency department visit with moderate level of medical decision making 242 237 $129
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 175 168 $7
99291 Critical care, first 30-74 minutes 81 79 $226
99283 Emergency department visit with low level of medical decision making 18 18 $77

In context: peer comparison

Among 9 peers in this city , average services per provider: 182. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$54
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Inari Medical, Inc. 2 $54.45

By nature of payment

Food and Beverage
$54

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
31
Patients
31
Total drug cost
$191
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 18 18 $95
Cephalexin Generic 13 13 $95

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marc Dorfman's medical specialty?
Dr. Marc Dorfman practices Emergency Medicine Physician in Barrington, IL.
Where does Dr. Marc Dorfman practice?
Dr. Marc Dorfman practices at 450 W Highway 22, Barrington, IL 60010. Office phone: 8473819600.
What is Dr. Marc Dorfman's NPI?
Dr. Marc Dorfman's National Provider Identifier (NPI) is 1912908583, issued by NPPES.
Does Dr. Marc Dorfman accept Medicare assignment?
Yes. Dr. Marc Dorfman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Dorfman 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); Electrocardiogram (ecg) 1 to 3 leads with review by physician only (HCPCS 93042). Source: CMS Medicare Physician & Other Practitioners file.