Doctor profile · Federal record

Dr. Ainah Tan, M.D.

Dermatology Physician (CMS: Dermatology) · Glen Ellyn, IL

  • NPI 1215371810
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
430 Pennsylvania Ave # 180
Glen Ellyn, IL 601374464
(630) 469-9200
fax (630) 545-7817
Mailing address
Po Box 713260
Chicago, IL 606771260

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
August 23, 2023
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207N00000X — NUCC code
State license (1)
Illinois #125.064328
Medicaid
IL #036142909

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215371810. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,054
Distinct HCPCS
10
Medicare allowed
$164,036
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 505 384 $94
17003 Destruction of precancer skin growth, 2-14 growths 398 90 $7
99214 Established patient office or other outpatient visit, 30-39 minutes 228 173 $132
88305 Pathology examination of tissue using a microscope, intermediate complexity 186 105 $37
17000 Destruction of precancer skin growth, 1 growth 156 132 $59
11102 Biopsy of related skin growth, first growth 117 105 $98
99203 New patient office or other outpatient visit, 30-44 minutes 103 103 $118
17110 Destruction of skin growth, 1-14 growths 97 79 $119
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 56 15 $1
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 51 47 $322

In context: peer comparison

Among 2 peers in this city , average services per provider: 115. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$321
Transactions
11
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 1 $99.99
Novartis Pharmaceuticals Corporation 3 $69.80
Dermavant Sciences, Inc. 2 $37.32
GENZYME CORPORATION 1 $36.10
ABBVIE INC. 1 $23.52
Galderma Laboratories, L.P. 1 $21.51
Arcutis Biotherapeutics, Inc. 1 $16.55
PFIZER INC. 1 $16.36

By nature of payment

Food and Beverage
$221
Education
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
673
Patients
324
Total drug cost
$21,408
Drug Type Claims Patients Total cost
Clobetasol Propionate Generic 168 67 $8,432
Triamcinolone Acetonide Generic 137 79 $1,351
Ketoconazole Generic 85 42 $1,955
Nystatin Generic 51 31 $1,149
Mometasone Furoate Generic 34 13 $878
Doxycycline Monohydrate Generic 29 14 $881
Alclometasone Dipropionate Generic 27 21 $742
Metronidazole Generic 25 20 $1,805
Doxycycline Hyclate Generic 22 11 $1,227
Betamethasone Dipropionate Generic 20 0 $863

Frequently asked questions

Auto-generated from federal data
What is Dr. Ainah Tan's medical specialty?
Dr. Ainah Tan practices Dermatology Physician in Glen Ellyn, IL.
Where does Dr. Ainah Tan practice?
Dr. Ainah Tan practices at 430 Pennsylvania Ave # 180, Glen Ellyn, IL 601374464. Office phone: 6304699200.
What is Dr. Ainah Tan's NPI?
Dr. Ainah Tan's National Provider Identifier (NPI) is 1215371810, issued by NPPES.
Does Dr. Ainah Tan accept Medicare assignment?
Yes. Dr. Ainah Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ainah Tan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.