Doctor profile · Federal record

Dr. Michael Ujiki, MD

Surgery Physician (CMS: General Surgery) · Evanston, IL

  • NPI 1598923047
  • Accepts Medicare
  • MIPS 90.4 / 100 · 2023
  • 26 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2650 Ridge Ave, Walgreen Bldg, Suite 2507
Evanston, IL 602011718
(847) 570-2461

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
February 11, 2021
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Illinois #036.110517

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598923047. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
483
Distinct HCPCS
10
Medicare allowed
$120,668
HCPCS Description Services Patients Avg allowed
91040 Study of esophageal sensation by balloon distension 77 74 $52
99204 New patient office or other outpatient visit, 45-59 minutes 71 71 $143
99203 New patient office or other outpatient visit, 30-44 minutes 65 65 $90
99213 Established patient office or other outpatient visit, 20-29 minutes 64 60 $70
99214 Established patient office or other outpatient visit, 30-39 minutes 59 55 $104
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 35 34 $115
43282 Repair of hernia of muscle at esophagus and stomach with implantation of mesh using an endoscope 29 28 $1,971
91035 Monitoring and recording of esophageal function through a capsule attached to the esophagus wall 27 25 $86
43497 Incision of muscle of lower esophagus using an endoscope 18 18 $868
99215 Established patient office or other outpatient visit, 40-54 minutes 14 14 $152

In context: peer comparison

Among 5 peers in Evanston Surgery Physician, average services per provider: 45. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$53,237
Transactions
57
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 38 $36,248.25
W. L. Gore & Associates, INC. 10 $9,022.75
Olympus America INC. 5 $7,713.18
Ethicon US, LLC 1 $142.50
Medtronic, INC. 3 $109.85

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$30,750
Consulting Fee
$19,340
Travel and Lodging
$1,972
Food and Beverage
$1,175

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
263
Patients
77
Total drug cost
$6,488
Drug Type Claims Patients Total cost
Omeprazole Generic 132 48 $3,480
Famotidine Generic 56 17 $1,136
Ondansetron Odt (Ondansetron) Brand 44 12 $321
Esomeprazole Magnesium Generic 20 0 $1,127
Pantoprazole Sodium Generic 11 0 $424

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Ujiki's medical specialty?
Dr. Michael Ujiki practices Surgery Physician in Evanston, IL.
Where does Dr. Michael Ujiki practice?
Dr. Michael Ujiki practices at 2650 Ridge Ave, Evanston, IL 602011718. Office phone: 8475702461.
What is Dr. Michael Ujiki's NPI?
Dr. Michael Ujiki's National Provider Identifier (NPI) is 1598923047, issued by NPPES.
Does Dr. Michael Ujiki accept Medicare assignment?
Yes. Dr. Michael Ujiki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Ujiki commonly perform?
Top Medicare-reported procedures in 2023: Study of esophageal sensation by balloon distension (HCPCS 91040); New patient office or other outpatient visit (HCPCS 99204); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.