Doctor profile · Federal record

Dr. Matthew Flak, D.D.S.

Dentist · Chicago, IL

  • NPI 1497955942
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2551 N Clark St Ste 501
Chicago, IL 606147722
(312) 498-3262
Mailing address
2551 N Clark Ste 501
Chicago, IL 606141958

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Specialty taxonomy
122300000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497955942. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$42
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Align Technology, INC. 1 $25.00
Ultradent Products INC 2 $17.38

By nature of payment

Consulting Fee
$25
Food and Beverage
$17

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Flak's medical specialty?
Dr. Matthew Flak practices Dentist in Chicago, IL.
Where does Dr. Matthew Flak practice?
Dr. Matthew Flak practices at 2551 N Clark St Ste 501, Chicago, IL 606147722. Office phone: 3124983262.
What is Dr. Matthew Flak's NPI?
Dr. Matthew Flak's National Provider Identifier (NPI) is 1497955942, issued by NPPES.