Doctor profile · Federal record

Dr. Todd Chatlos, MD

Epilepsy Physician (CMS: Epileptologists) · Epilepsy Physician · Clinical Neurophysiology Physician · Neurology Physician · Epilepsy Physician · Neurology Physician · Chicago, IL

  • NPI 1245792308
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 3 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
5841 S Maryland Ave
Chicago, IL 606371443
(888) 824-0200
Additional location
100 Dr Warren Tuttle Dr
Harrisburg, IL 629462718
(618) 253-7671
fax (618) 252-7274
Additional location
305 W Jackson St Ste 103
Carbondale, IL 629011474
(618) 351-4972
fax (618) 351-6522
Show 2 more locations
Additional location
3160 Folsom Blvd Ste 2100
Sacramento, CA 958165266
(916) 734-3588
Additional location
10855 Virginia St
Crown Point, IN 463070210
Mailing address
150 Harvester Dr Ste 300
Burr Ridge, IL 605275965

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
November 6, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
2084E0001X — NUCC code
State licenses (3)
Illinois #036174745 · Indiana #01096730A · California #A178208

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245792308. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$122
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
UCB, Inc. 1 $122.31

By nature of payment

Food and Beverage
$122

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
75
Patients
0
Total drug cost
$4,390
Drug Type Claims Patients Total cost
Gabapentin Generic 23 0 $1,201
Duloxetine Hcl Generic 19 0 $494
Levetiracetam Generic 18 0 $1,030
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 15 0 $1,665

Frequently asked questions

Auto-generated from federal data
What is Dr. Todd Chatlos's medical specialty?
Dr. Todd Chatlos practices Epilepsy Physician in Chicago, IL.
Where does Dr. Todd Chatlos practice?
Dr. Todd Chatlos practices at 5841 S Maryland Ave, Chicago, IL 606371443. Office phone: 8888240200.
What is Dr. Todd Chatlos's NPI?
Dr. Todd Chatlos's National Provider Identifier (NPI) is 1245792308, issued by NPPES.
Does Dr. Todd Chatlos accept Medicare assignment?
Yes. Dr. Todd Chatlos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.