John Steven Walczyk, M.D.
Dermatology Physician · Manhasset, NY
John Steven Walczyk, M.D. is a dermatology physician with a practice address in Manhasset, New York, and NPI 1043233166, issued on Jul 26, 2006. Check the license (New York 191586, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Steven Walczyk
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 191586 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1165 Northern Blvd, Manhasset, NY 11030
- Phone
- (516) 365-8030
- Enumerated
- Jul 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (516) 365-8058
- Medicare enrollment
- Enrolled (PECOS I20040323002038); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1990
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 1,211 in New York → Look up another NPI →
Also registered at 1165 Northern Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joanna Carley, M.S. CCC-SLPSpeech-Language Pathologist1942340575
- Julie Charczuk, MS SLPSpeech-Language Pathologist1568697878
- Kaitlin Dondorf, SLPSpeech-Language Pathologist1265799720
Verify John Steven Walczyk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 191586Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average dermatology physician in 2024
899 Medicare Part D claims for 327 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Metronidazole165 claims
- Triamcinolone Acetonide159 claims
- Mupirocin106 claims
- Ketoconazole62 claims
- Clobetasol Propionate53 claims
- Clindamycin Phosphate40 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 91.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Schweiger Dermatology PLLCGreat Neck, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Steven Walczyk among 1,211 dermatology physician records in New York
John Steven Walczyk, M.D. is one of 1,211 dermatology physician records with a practice address in New York. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1990 · median 2004 among the 880 with a school on file
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in New York
There are 1,211 dermatology physician records in New York.
All 1,211 in New York → Every provider in Manhasset → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Sarah Ahmed, MDManhasset, NY 110301669009957
- Sahar Naseer, M.D.Manhasset, NY 110301902291024
- Ian Pravda, MDManhasset, NY 110301629142047
- Nyousha Yousefi, MDManhasset, NY 110301184186090
- Angela AzarGreat Neck, NY 110211003988718
- Clifford Berck, MDGreat Neck, NY 110211649268327
- Rebecca Chusid, M.D.Great Neck, NY 110211831396704
- Sydney Coscia, RPA-CGreat Neck, NY 110211619799509
Common questions
What is John Steven Walczyk, M.D.'s NPI number?
John Steven Walczyk, M.D.'s National Provider Identifier (NPI) is 1043233166, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Steven Walczyk, M.D. located?
The NPPES record lists a practice address at 1165 Northern Blvd, Manhasset, NY, 11030. Phone: (516) 365-8030. Providers update this record themselves, so call before visiting.
How can I verify John Steven Walczyk, M.D.'s license?
NPPES lists New York license number 191586, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Steven Walczyk, M.D. prescribe under Medicare Part D?
In 2024, John Steven Walczyk, M.D. had 899 Medicare Part D claims for 327 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is John Steven Walczyk, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.