Mark Robert Kahn
Internal Medicine Physician · Syosset, NY
Mark Robert Kahn is an internal medicine physician with a practice address in Syosset, New York, and NPI 1134443112, issued on Mar 20, 2010. Check the license (New York 265075, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mark Robert Kahn
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 265075 NY
Self-reported in NPPES; status is on the state search - Practice location
- 175 Jericho Tpke, Syosset, NY 11791
- Phone
- (516) 496-4141
- Enumerated
- Mar 20, 2010
- Record last updated
- Jan 22, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (516) 496-4393
- Medicare enrollment
- Enrolled (PECOS I20160513000905); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 2010
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 175 Jericho Tpke
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edward Brenner, PSY.D.Clinical Psychologist1992807465
- Craig Brown, PH. D.Clinical Psychologist1548220957
- Teresa Busto, PSY DPsychologist1942474416
Verify Mark Robert 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 265075Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
198 Medicare Part D claims for 31 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Metoprolol Succinate34 claims
- Amlodipine Besylate24 claims
- Eliquis22 claims
- Rosuvastatin Calcium18 claims
- Atorvastatin Calcium12 claims
- Carvedilol12 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): 95.8 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).
Industry payments in 2024: $634.26
19 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Mark Robert Kahn among 12,067 internal medicine physician records in New York
Mark Robert Kahn is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2010 · median 2002 among the 7,221 with a school on file
- Record last updated2016 · 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 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 internal medicine physician records list a practice address in Syosset
They are 23 of the 1,054 NPPES records with a practice address in Syosset, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Syosset → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Daniel Cyran, D.O.Syosset, NY 117911578569125
- Randolph Dilorenzo, M.D.Syosset, NY 117911720046576
- Richard Federbush, M.D.Syosset, NY 117911710094537
- Annie Hu, M.D.Syosset, NY 117911962420679
- Edith Kagan, M.D.Syosset, NY 117911659339448
- Fredric Mintz, M.D.Syosset, NY 117911194759530
- Gary Moskowitz, D.O.Syosset, NY 117911407852189
- Maria Noya, MDSyosset, NY 117911912010943
Common questions
What is Mark Robert Kahn's NPI number?
Mark Robert Kahn's National Provider Identifier (NPI) is 1134443112, issued on Mar 20, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Mark Robert Kahn located?
The NPPES record lists a practice address at 175 Jericho Tpke, Syosset, NY, 11791. Phone: (516) 496-4141. Providers update this record themselves, so call before visiting.
How can I verify Mark Robert Kahn's license?
NPPES lists New York license number 265075, 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 Robert Kahn prescribe under Medicare Part D?
In 2024, Mark Robert Kahn had 198 Medicare Part D claims for 31 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Mark Robert Kahn's MIPS final score?
The 2023 MIPS final score is 95.8 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.