Marc R. Kirschner, MD
Cardiovascular Disease Physician · West Islip, NY
Marc R. Kirschner, MD is a cardiovascular disease physician with a practice address in West Islip, New York, and NPI 1871571216, issued on Jan 5, 2006. Check the license (New York 1273161, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Marc R. Kirschner
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 1273161 NY
Self-reported in NPPES; status is on the state search - Practice location
- 540 Union Blvd, West Islip, NY 11795
- Phone
- (631) 669-2555
- Enumerated
- Jan 5, 2006
- Record last updated
- Aug 25, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (631) 669-3051
- Medicaid ID
- 00635305 NY
- Medicare enrollment
- Enrolled (PECOS I20090912000074); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1975
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,583 in New York → Look up another NPI →
Also registered at 540 Union Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Aaron, MDCardiovascular Disease Physician1790762623
- Eileen Alessandro, NPFamily Nurse Practitioner1649601758
- Larry Altschul, MDCardiovascular Disease Physician1093794901
- John Asheld, DONuclear Cardiology Physician1699935973
- Wilbur Asheld, DONuclear Cardiology Physician1710247549
- Uschi Auguste, MDCardiovascular Disease Physician1679872824
Verify Marc R. Kirschner 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 1273161Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,193 Medicare Part D claims for 420 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 11 claims were for opioids.
Most prescribed
- Metoprolol Succinate234 claims
- Atorvastatin Calcium174 claims
- Amlodipine Besylate142 claims
- Losartan Potassium132 claims
- Rosuvastatin Calcium95 claims
- Furosemide93 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 practice group's MIPS final score for 2023 (Medicare payment program): 84.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $132.00
6 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 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
- St Francis HospitalWest Islip, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc R. Kirschner among 2,583 cardiovascular disease physician records in New York
Marc R. Kirschner, MD is one of 2,583 cardiovascular disease 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 17% of them.
- NPI issued2006 · 17% of these records are older, 41% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1975 · median 1998 among the 1,896 with a school on file
- Record last updated2014 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X 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 cardiovascular disease physician records list a practice address in West Islip
They are 23 of the 1,107 NPPES records with a practice address in West Islip, and 2,583 cardiovascular disease physician records in New York.
All 2,583 in New York → Every provider in West Islip → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Michael Aaron, MDWest Islip, NY 117951790762623
- Larry Altschul, MDWest Islip, NY 117951093794901
- Jean Cacciabaudo, M.D.West Islip, NY 117951497778930
- Goolam Carim, MDWest Islip, NY 117951841278249
- Arnold Conrad, M.D.West Islip, NY 117951427017318
- Maureen Corry, MDWest Islip, NY 117951124006531
- Anthony Garafalo, MDWest Islip, NY 117951053399469
- Shalini Kapoor, MDWest Islip, NY 117951497713374
Common questions
What is Marc R. Kirschner, MD's NPI number?
Marc R. Kirschner, MD's National Provider Identifier (NPI) is 1871571216, issued on Jan 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc R. Kirschner, MD located?
The NPPES record lists a practice address at 540 Union Blvd, West Islip, NY, 11795. Phone: (631) 669-2555. Providers update this record themselves, so call before visiting.
How can I verify Marc R. Kirschner, MD's license?
NPPES lists New York license number 1273161, 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 Marc R. Kirschner, MD prescribe under Medicare Part D?
In 2024, Marc R. Kirschner, MD had 2,193 Medicare Part D claims for 420 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Marc R. Kirschner, MD's MIPS final score?
The 2023 MIPS final score is 84.4 of 100, reported for the practice group. 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.