John Steven Walczyk, M.D. practises dermatology in Manhasset, NY. John is a 1990 graduate of Columbia University College of Physicians and Surgeons.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Walczyk is a dermatology in Manhasset, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DERMATOLOGY”.
NPI registry
Dr. Walczyk is listed at 1165 NORTHERN BLVD SUITE 405, Manhasset, NY 11030. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (516) 365-8030. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Walczyk's National Provider Identifier is 1043233166. 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
Dr. Walczyk attended Columbia University College of Physicians and Surgeons, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
Dr. Walczyk has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Walczyk performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and biopsy of related skin growth, first 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 Dr. Walczyk. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
1165 NORTHERN BLVD SUITE 405
Manhasset, NY 11030
26,197 services · 3,890 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
20,229 |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
1,561 |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
894 |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
594 |
| Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm | Procedure | 17262 |
74 |
| Biopsy of ear | Procedure | 69100 |
45 |
| Destruction of cancer skin growth of trunk, arms, or legs, 2.1-3.0 cm | Procedure | 17263 |
20 |
| Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm | Procedure | 17272 |
12 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
1,353 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
1,351 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in NY who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.