Alan Greenspan, M.D.
NPI 1518913672 · Dermatology Physician · New York, NY
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alan Greenspan, M.D. is a Dermatology Physician provider in New York, NY (NPI 1518913672).
Provider details
- NPI number
- 1518913672
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 146086 (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
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
2,931 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 | 687 | $100 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 651 | $141 |
| Biopsy of Related Skin Growth, First Growth11102 | 593 | $110 |
| Biopsy of Related Skin Growth, Each Additional Growth11103 | 347 | $56 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 203 | $7 |
| Destruction of Precancer Skin Growth, 1 Growth |
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 |
|---|---|---|
| Fluorouracil | 82 | 81 |
| Ketoconazole | 79 | 39 |
| Mometasone Furoate | 66 | 59 |
| Hydrocortisone | 65 | 45 |
| Clobetasol Propionate | 32 | 19 |
| Mupirocin | 31 | 26 |
| Fluocinonide | 25 | 18 |
| Clindamycin Phosphate | 24 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,692 across 89 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
- 2006-05-26
- Last updated
- 2018-10-15
Frequently asked questions
- What is Alan Greenspan's NPI number?
- Alan Greenspan's National Provider Identifier (NPI) is 1518913672, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alan Greenspan's specialty?
- Alan Greenspan is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Alan Greenspan located?
- Alan Greenspan's practice location on file with NPPES is 39 Broadway, New York, NY 10006-3003.
- What is Alan Greenspan's phone number?
- The practice phone number listed in the NPPES registry for Alan Greenspan is (212) 509-5200.
- Does Alan Greenspan accept Medicare?
- Alan Greenspan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alan Greenspan's NPI active?
- Yes — Alan Greenspan's NPI (1518913672) is active in the NPPES registry as of the last update on 2018-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.