Doctor profile · Federal record

Dr. Sean Wrenn, M.D.

Surgical Oncology Physician (CMS: General Surgery) · Surgery Physician · Surgery Physician · Student in an Organized Health Care Education/Training Program · Chicago, IL

  • NPI 1831431261
  • Accepts Medicare
  • 13 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1725 W Harrison St Ste 250
Chicago, IL 606123861
(312) 942-5500
fax (312) 563-2080
Additional location
111 Colchester Ave, Mailstop 201Fl3
Burlington, VT 054011473
(802) 847-2700
Additional location
55 Fruit St # 5-506
Boston, MA 021142696
(617) 726-7712

Credentials & registration

NPPES · NUCC
NPI registered
March 2013 — 13 yrs on file
Profile last updated
April 5, 2022
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
2086X0206X — NUCC code
State licenses (3)
Illinois #036-153599 · Massachusetts #278947 · Illinois #036.153599

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831431261. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
327
Distinct HCPCS
10
Medicare allowed
$69,814
HCPCS Description Services Patients Avg allowed
76998 Ultrasonic guidance during surgery 50 50 $67
99204 New patient office or other outpatient visit, 45-59 minutes 40 40 $141
60500 Removal or exploration of parathyroid glands 34 34 $1,076
76536 Ultrasound scan of head and neck soft tissue 32 28 $29
99204 New patient office or other outpatient visit, 45-59 minutes 28 28 $166
99213 Established patient office or other outpatient visit, 20-29 minutes 26 23 $69
10005 Fine needle aspiration biopsy using ultrasound guidance, first growth 25 23 $79
99214 Established patient office or other outpatient visit, 30-39 minutes 24 23 $102
99213 Established patient office or other outpatient visit, 20-29 minutes 19 14 $94
0673T Laser destruction of benign growth of thyroid using imaging guidance 13 13 $358

In context: peer comparison

Among 10 peers in this city , average services per provider: 28. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
49
Patients
14
Total drug cost
$684
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 49 14 $684

Frequently asked questions

Auto-generated from federal data
What is Dr. Sean Wrenn's medical specialty?
Dr. Sean Wrenn practices Surgical Oncology Physician in Chicago, IL.
Where does Dr. Sean Wrenn practice?
Dr. Sean Wrenn practices at 1725 W Harrison St Ste 250, Chicago, IL 606123861. Office phone: 3129425500.
What is Dr. Sean Wrenn's NPI?
Dr. Sean Wrenn's National Provider Identifier (NPI) is 1831431261, issued by NPPES.
Does Dr. Sean Wrenn accept Medicare assignment?
Yes. Dr. Sean Wrenn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sean Wrenn commonly perform?
Top Medicare-reported procedures in 2023: Ultrasonic guidance during surgery (HCPCS 76998); New patient office or other outpatient visit (HCPCS 99204); Removal or exploration of parathyroid glands (HCPCS 60500). Source: CMS Medicare Physician & Other Practitioners file.