Doctor profile · Federal record

Dr. Nicholas Dorin, M.D.

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Internal Medicine Physician · Internal Medicine Physician · Geneva, IL

  • NPI 1659669794
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Randall RD
Geneva, IL 601344200
(630) 933-4700
fax (630) 933-4427

Credentials & registration

NPPES · NUCC
NPI registered
July 2011 — 15 yrs on file
Profile last updated
August 17, 2016
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (2)
Illinois #036140548 · Missouri #2011020101
Medicaid
IL #036140548

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659669794. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
407
Distinct HCPCS
5
Medicare allowed
$68,385
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 214 145 $226
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 100 89 $83
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 44 37 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 31 31 $178
36620 Insertion of artery tube for blood sampling or infusion through skin 18 17 $47

In context: peer comparison

Among 2 peers in this city , average services per provider: 59. This provider delivers 6.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Dorin's medical specialty?
Dr. Nicholas Dorin practices Critical Care Medicine (Internal Medicine) Physician in Geneva, IL.
Where does Dr. Nicholas Dorin practice?
Dr. Nicholas Dorin practices at 300 Randall RD, Geneva, IL 601344200. Office phone: 6309334700.
What is Dr. Nicholas Dorin's NPI?
Dr. Nicholas Dorin's National Provider Identifier (NPI) is 1659669794, issued by NPPES.
Does Dr. Nicholas Dorin accept Medicare assignment?
Yes. Dr. Nicholas Dorin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Dorin commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.