Physician Profile
Unclaimed ProfileAbout KIRSCHNER
Marc R Kirschner, MD practices cardiovascular disease (cardiology) in West Islip, NY. Marc is a 1975 graduate of Icahn School of Medicine at Mount Sinai. Marc is also listed as specializing in cardiovascular disease. According to Medicare claims data, Marc cared for 1,684 Medicare patients across 2,391 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (631) 669-2555
- Email not available
Practice Locations
540 UNION BLVD
West Islip, NY 11795
Procedures Most Often Billed to Medicare
2,391 services · 1,684 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
762 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
190 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
147 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
43 |
| Electrocardiogram (ecg) 2-day continuous with review by health care professional | Treatment | 93227 |
32 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
928 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
110 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
91 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
62 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
26 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiovascular diseases at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Trained at Icahn School of Medicine at Mount Sinai 8
Other providers in the same specialty who trained at the same institution.
Class of 1975 at Icahn School of Medicine at Mount Sinai 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Dr. Kirschner's specialty?
Dr. Kirschner is a cardiovascular disease (cardiology) in West Islip, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
Where can I find Dr. Kirschner?
Dr. Kirschner is listed at 540 UNION BLVD, West Islip, NY 11795. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Kirschner?
The number on file is (631) 669-2555. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Kirschner's NPI number?
Dr. Kirschner's National Provider Identifier is 1871571216. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Kirschner's medical education?
Dr. Kirschner attended Icahn School of Medicine at Mount Sinai, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Kirschner been practicing?
Dr. Kirschner has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Kirschner known for?
According to Medicare billing data, Dr. Kirschner provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Kirschner confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kirschner. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.