JOHN STEVEN WALCZYK (M.D.) – Dermatology Physician, NPI 1043233166
Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,384 DERMATOLOGY in NY
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Provider Addresses for JOHN STEVEN WALCZYK (M.D.)
1165, Northern Boulevard, Manhasset, North Hempstead, Nassau County, New York, 11030, United States
SUITE 405
MANHASSET, NY 110303048
Phone: (516) 365-8030
Fax: (516) 365-8058
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-03-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040323002038 | I | Dermatology | NY | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 17003 | Destruction of precancer skin growth, 2-14 growths | 18,907 | 704 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 1,457 | 704 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 1,346 | 588 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 1,266 | 732 | $0 |
| 11102 | Biopsy of related skin growth, first growth | 889 | 540 | $0 |
Insurance plans in this area (ZIP 11030)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DERMATOLOGY | NY | 17003 | Destruction of 2-14 skin growths | 16607 | 631 |
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