Ainah Tan, M.D.
NPI 1215371810 · Dermatology Physician · Glen Ellyn, IL
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ainah Tan, M.D. is a Dermatology Physician provider in Glen Ellyn, IL (NPI 1215371810).
Provider details
- NPI number
- 1215371810
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 125.064328 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,032 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 539 | $93 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 387 | $7 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 332 | $36 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 204 | $132 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 147 | $61 |
| Biopsy of Related Skin Growth, First Growth11102 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clobetasol Propionate | 148 | 87 |
| Triamcinolone Acetonide | 138 | 83 |
| Ketoconazole | 104 | 46 |
| Nystatin | 55 | 36 |
| Metronidazole | 41 | 22 |
| Tacrolimus | 23 | 16 |
| Mometasone Furoate | 22 | 15 |
| Alclometasone Dipropionate | 21 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$321 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-04-25
- Last updated
- 2023-08-23
- Certified
- 2023-08-23
Frequently asked questions
- What is Ainah Tan's NPI number?
- Ainah Tan's National Provider Identifier (NPI) is 1215371810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ainah Tan's specialty?
- Ainah Tan is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Ainah Tan located?
- Ainah Tan's practice location on file with NPPES is 430 Pennsylvania Ave # 180, Glen Ellyn, IL 60137-4464.
- What is Ainah Tan's phone number?
- The practice phone number listed in the NPPES registry for Ainah Tan is (630) 469-9200.
- Does Ainah Tan accept Medicare?
- Ainah Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ainah Tan's NPI active?
- Yes — Ainah Tan's NPI (1215371810) is active in the NPPES registry as of the last update on 2023-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.