Doctor profile · Federal record

Dr. Derek de Mann, DO

Urology Physician (CMS: Urology) · Hinsdale, IL

  • NPI 1134681729
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
40 S Clay St Ste 200
Hinsdale, IL 605213257
(630) 790-1221
fax (630) 653-1091
Mailing address
Pob 7132960
Chicago, IL 606770001

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
October 2, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
208800000X — NUCC code
State license (1)
Illinois #036.171470

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134681729. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$318
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Urogen Pharma, INC. 1 $140.07
Endo Pharmaceuticals INC. 1 $76.09
Axonics, INC. 3 $75.66
180 Medical, INC. 1 $25.96

By nature of payment

Food and Beverage
$318

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
93
Patients
74
Total drug cost
$508
Drug Type Claims Patients Total cost
Cephalexin Generic 33 33 $183
Finasteride Generic 19 0 $149
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 16 16 $74
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 13 13 $84
Tramadol Hcl Generic 12 12 $18

Frequently asked questions

Auto-generated from federal data
What is Dr. Derek de Mann's medical specialty?
Dr. Derek de Mann practices Urology Physician in Hinsdale, IL.
Where does Dr. Derek de Mann practice?
Dr. Derek de Mann practices at 40 S Clay St Ste 200, Hinsdale, IL 605213257. Office phone: 6307901221.
What is Dr. Derek de Mann's NPI?
Dr. Derek de Mann's National Provider Identifier (NPI) is 1134681729, issued by NPPES.
Does Dr. Derek de Mann accept Medicare assignment?
Yes. Dr. Derek de Mann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.