Karen Ly, MD
NPI 1407475759 · Dermatology Physician · New York, NY
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Ly, MD is a Dermatology Physician provider in New York, NY (NPI 1407475759).
Provider details
- NPI number
- 1407475759
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA12307900 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 56 | 34 |
| Triamcinolone Acetonide | 46 | 38 |
| Clobetasol Propionate | 43 | 20 |
| Apremilastbrand: Otezla | 27 | — |
| Fluocinonide | 16 | — |
| Clindamycin Phosphate | 14 | — |
| Hydrocortisone | 14 | 11 |
| Minoxidil | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$342 across 17 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
- 2020-04-15
- Last updated
- 2025-09-16
- Certified
- 2025-09-16
Frequently asked questions
- What is Karen Ly's NPI number?
- Karen Ly's National Provider Identifier (NPI) is 1407475759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Ly's specialty?
- Karen Ly is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Ly located?
- Karen Ly's practice location on file with NPPES is 315 Church St Fl 2, New York, NY 10013-2442.
- What is Karen Ly's phone number?
- The practice phone number listed in the NPPES registry for Karen Ly is (212) 334-3774.
- Does Karen Ly accept Medicare?
- Karen Ly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Ly's NPI active?
- Yes — Karen Ly's NPI (1407475759) is active in the NPPES registry as of the last update on 2025-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.