Doctor profile · Federal record

Dr. Kathryn Thomas, MD

Dermatology Physician (CMS: Dermatology) · Elmhurst, IL

  • NPI 1528019692
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
172 Schiller St
Elmhurst, IL 601262885
(331) 221-9005
fax (331) 221-2305
Mailing address
4201 Winfield RD Fl 4
Warrenville, IL 605554025

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
June 21, 2021
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207N00000X — NUCC code
State license (1)
Illinois #036092936

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528019692. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,562
Distinct HCPCS
10
Medicare allowed
$269,365
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 1,845 361 $7
99213 Established patient office or other outpatient visit, 20-29 minutes 1,301 841 $95
17000 Destruction of precancer skin growth, 1 growth 681 480 $66
11102 Biopsy of related skin growth, first growth 239 215 $107
99214 Established patient office or other outpatient visit, 30-39 minutes 211 185 $134
99203 New patient office or other outpatient visit, 30-44 minutes 187 187 $119
11103 Biopsy of related skin growth, each additional growth 49 35 $54
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm 17 15 $175
17004 Destruction of precancer skin growth, 15 or more growths 16 13 $182
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $176

In context: peer comparison

Among 4 peers in this city , average services per provider: 314. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,099
Transactions
78
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Dermavant Sciences, Inc. 32 $303.46
Janssen Biotech, Inc. 5 $196.52
LEO Pharma Inc. 11 $146.38
ABBVIE INC. 14 $134.96
Regeneron Healthcare Solutions, Inc. 2 $73.22
PFIZER INC. 4 $60.49
Novartis Pharmaceuticals Corporation 2 $42.99
SUN PHARMACEUTICAL INDUSTRIES INC. 2 $34.42
Almirall LLC 1 $29.13
UCB, Inc. 2 $27.52
Sandoz Inc. 2 $27.24
Arcutis Biotherapeutics, Inc. 1 $22.83

By nature of payment

Food and Beverage
$920
Education
$179

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,420
Patients
751
Total drug cost
$53,961
Drug Type Claims Patients Total cost
Triamcinolone Acetonide Generic 222 145 $3,452
Ketoconazole Generic 219 110 $5,055
Clobetasol Propionate Generic 159 88 $10,971
Doxycycline Hyclate Generic 155 42 $6,587
Imiquimod Generic 112 82 $3,252
Metronidazole Generic 105 71 $8,825
Levocetirizine Dihydrochloride Generic 86 26 $2,563
Mupirocin Generic 70 48 $784
Ammonium Lactate Generic 50 31 $1,249
Prednisone Generic 46 14 $489

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathryn Thomas's medical specialty?
Dr. Kathryn Thomas practices Dermatology Physician in Elmhurst, IL.
Where does Dr. Kathryn Thomas practice?
Dr. Kathryn Thomas practices at 172 Schiller St, Elmhurst, IL 601262885. Office phone: 3312219005.
What is Dr. Kathryn Thomas's NPI?
Dr. Kathryn Thomas's National Provider Identifier (NPI) is 1528019692, issued by NPPES.
Does Dr. Kathryn Thomas accept Medicare assignment?
Yes. Dr. Kathryn Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathryn Thomas commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.