Mark R. Kahn, M.D.
Dermatology Physician · Valley Stream, NY
Mark R. Kahn, M.D. is a dermatology physician with a practice address in Valley Stream, New York, and NPI 1023017464, issued on Jul 19, 2005. Check the license (New York 174507, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mark R. Kahn
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- 174507 NY
174507-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 260 W Sunrise Hwy, Valley Stream, NY 11581
- Phone
- (516) 791-8664
- Enumerated
- Jul 19, 2005
- Record last updated
- Aug 27, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (516) 791-8420
- Medicaid ID
- 01836048 NY
- Medicare enrollment
- Enrolled (PECOS I20040911000313); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 1,211 in New York → Look up another NPI →
Also registered at 260 W Sunrise Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark R. Kahn 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 174507Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% more Medicare Part D claims than the average dermatology physician in 2024
1,488 Medicare Part D claims for 543 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
- Mupirocin372 claims
- Triamcinolone Acetonide171 claims
- Fluocinonide148 claims
- Ketoconazole104 claims
- Ammonium Lactate91 claims
- Econazole Nitrate74 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,597.34
122 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Atlantic Dermatologic Associates, LLPLynbrook, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark R. Kahn among 1,211 dermatology physician records in New York
Mark R. Kahn, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1985 · median 2004 among the 880 with a school on file
- Record last updated2013 · 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 Valley Stream → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Alan Nussbaum, MDValley Stream, NY 115811518966613
- Charlotte Noorollah, D.O.Roslyn Heights, NY 115771194040378
- Jessica Newburger, D.ORoslyn, NY 115761215215355
- Roxanne Abitbol, M.D.Oceanside, NY 115721841415197
- Russell Cohen, M.D.Oceanside, NY 115721538167242
- Barrett Eisenstat, M.D.Oceanside, NY 115721285631176
- Eric Feit, MDOceanside, NY 115721346701836
- Craig Kornreich, M.D.Oceanside, NY 115721336146232
Common questions
What is Mark R. Kahn, M.D.'s NPI number?
Mark R. Kahn, M.D.'s National Provider Identifier (NPI) is 1023017464, issued on Jul 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark R. Kahn, M.D. located?
The NPPES record lists a practice address at 260 W Sunrise Hwy, Valley Stream, NY, 11581. Phone: (516) 791-8664. Providers update this record themselves, so call before visiting.
How can I verify Mark R. Kahn, M.D.'s license?
NPPES lists New York license number 174507, 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 Mark R. Kahn, M.D. prescribe under Medicare Part D?
In 2024, Mark R. Kahn, M.D. had 1,488 Medicare Part D claims for 543 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Mark R. Kahn, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.