Doctor profile · Federal record

Dr. Thomas Waller

Infectious Disease Physician (CMS: Infectious Disease) · Student in an Organized Health Care Education/Training Program · Chicago, IL

  • NPI 1780116376
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1620 W Harrison St
Chicago, IL 606123801
(312) 942-5000
Additional location
20201 Crawford Ave, Attn: Postdoctoral Eductation
Olympia Fields, IL 604611010
(708) 747-4000
Mailing address
5321 N Moody Ave
Chicago, IL 606301048

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
July 16, 2020
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Illinois #036.153369

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780116376. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,240
Distinct HCPCS
8
Medicare allowed
$222,904
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 1,128 555 $79
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 570 343 $118
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 177 168 $172
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 176 173 $130
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 81 13 $64
99213 Established patient office or other outpatient visit, 20-29 minutes 68 42 $71
99214 Established patient office or other outpatient visit, 30-39 minutes 28 23 $99
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 12 11 $50

In context: peer comparison

Among 57 peers in this city , average services per provider: 229. This provider delivers 9.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
174
Patients
48
Total drug cost
$117,202
Drug Type Claims Patients Total cost
Cefadroxil Generic 50 17 $2,210
Doxycycline Hyclate Generic 34 15 $1,148
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 20 16 $400
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 19 0 $114
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 18 0 $73,868
Ciprofloxacin Hcl Generic 11 0 $103
Ertapenem (Ertapenem Sodium) Brand 11 0 $11,122
Tivicay (Dolutegravir Sodium) Brand 11 0 $28,237

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Waller's medical specialty?
Dr. Thomas Waller practices Infectious Disease Physician in Chicago, IL.
Where does Dr. Thomas Waller practice?
Dr. Thomas Waller practices at 1620 W Harrison St, Chicago, IL 606123801. Office phone: 3129425000.
What is Dr. Thomas Waller's NPI?
Dr. Thomas Waller's National Provider Identifier (NPI) is 1780116376, issued by NPPES.
Does Dr. Thomas Waller accept Medicare assignment?
Yes. Dr. Thomas Waller accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Waller commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.