Lian Mack, MD
NPI 1083878623 · Dermatology Physician · New York, NY
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lian Mack, MD is a Dermatology Physician provider in New York, NY (NPI 1083878623).
Provider details
- NPI number
- 1083878623
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 245368 (NY)
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 tenure25% of score
17 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
253 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 81 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 65 | $103 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 28 | $61 |
| Biopsy of Related Skin Growth, First Growth11102 | 24 | $104 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 17 | $145 |
| Destruction of Skin Growth, 1-14 Growths |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$937 across 38 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
- 2008-07-14
- Last updated
- 2012-12-18
Frequently asked questions
- What is Lian Mack's NPI number?
- Lian Mack's National Provider Identifier (NPI) is 1083878623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lian Mack's specialty?
- Lian Mack is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Lian Mack located?
- Lian Mack's practice location on file with NPPES is 200 W 57th St, New York, NY 10019-3211.
- What is Lian Mack's phone number?
- The practice phone number listed in the NPPES registry for Lian Mack is (212) 247-8100.
- Does Lian Mack accept Medicare?
- Lian Mack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lian Mack's NPI active?
- Yes — Lian Mack's NPI (1083878623) is active in the NPPES registry as of the last update on 2012-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.