Harold Mermelstein, M.D.
NPI 1053308429 · Dermatology Physician · Scarsdale, NY
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harold Mermelstein, M.D. is a Dermatology Physician provider in Scarsdale, NY (NPI 1053308429).
Provider details
- NPI number
- 1053308429
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 136631 (NY)
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
20 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
4,280 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 | 1,366 | $104 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 704 | $8 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 615 | $65 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 469 | $75 |
| Biopsy of Related Skin Growth, First Growth11102 | 450 | $118 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mupirocin | 424 | 278 |
| Clobetasol Propionate | 169 | 115 |
| Betamethasone Valerate | 164 | 120 |
| Fluocinonide | 159 | 126 |
| Ketoconazole | 149 | 74 |
| Triamcinolone Acetonide | 148 | 111 |
| Betamethasone Dipropionate | 148 | 116 |
| Desonide | 146 | 117 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,602 across 100 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
- 2005-09-30
- Last updated
- 2014-05-21
Frequently asked questions
- What is Harold Mermelstein's NPI number?
- Harold Mermelstein's National Provider Identifier (NPI) is 1053308429, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Mermelstein's specialty?
- Harold Mermelstein is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Mermelstein located?
- Harold Mermelstein's practice location on file with NPPES is 1075 Central Park Ave, Scarsdale, NY 10583-3242.
- What is Harold Mermelstein's phone number?
- The practice phone number listed in the NPPES registry for Harold Mermelstein is (914) 667-2242.
- Does Harold Mermelstein accept Medicare?
- Harold Mermelstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harold Mermelstein's NPI active?
- Yes — Harold Mermelstein's NPI (1053308429) is active in the NPPES registry as of the last update on 2014-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.