Physician Profile
Alan H. Greenspan, M.D. is a healthcare provider in New York, NY specializing in dermatology. Alan trained at Northwestern University Feinberg Medical School, graduating in 1979. Alan is also listed as specializing in mohs surgery / dermatologic surgery. According to Medicare claims data, Alan cared for 1,997 Medicare patients across 16,132 services. The services billed most often include aminolevulinic acid hcl for topical administration, 10% gel, 10 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
39 BROADWAY SUITE 3005
New York, NY 10006
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Autoimmune and connective tissue
Infections
Rashes & allergy
Skin growths
Most searched procedures
Diagnostic procedures
Lesion treatment
Medical dermatology treatment
Cosmetic
Cosmetic and minor surgery
Cosmetic dermatology
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Skin cancer surgery
Skin growths
16,132 services · 1,997 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of related skin growth, first growth | Procedure | 11102 |
593 | More than most peers in Dermatology |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
347 | More than most peers in Dermatology |
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
203 | Less often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
182 | As often as other peers in Dermatology |
| Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm | Procedure | 17262 |
37 | As often as other peers in Dermatology |
| Simple or single drainage of skin abscess | Procedure | 10060 |
34 | More often than most peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
23 | Less often than most peers in Dermatology |
| Punch biopsy, first skin growth | Procedure | 11104 |
17 | As often as other peers in Dermatology |
| Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm | Procedure | 17261 |
15 | Less often than most peers in Dermatology |
| Complicated or multiple drainage of skin abscess | Procedure | 10061 |
12 | Less often than most peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Alan H. Greenspan is a dermatologist (skin doctor) in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Alan H. Greenspan is listed at 39 Broadway Suite 3005, New York, NY 10006. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (212) 509-5200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Alan H. Greenspan's National Provider Identifier is 1518913672. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Alan H. Greenspan attended Northwestern University Feinberg Medical School, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
Alan H. Greenspan has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Alan H. Greenspan performs procedures including biopsy of related skin growth, first growth, biopsy of related skin growth, each additional growth and destruction of precancer skin growth, 2-14 growths; provides treatments such as application of light with debridement to destroy precancer skin growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Alan H. Greenspan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.