Dr. Mark A. Kessler, MD
- Medicare services, 2019
- 1,994
- Part D claims, 2020
- 401
- Industry payments
- $137
- Affiliated sites
- 4
- Medical groups
- 4
- Practice address
- 242 Merrick Rd Suite 402 Suite 402, Rockville Centre, NY 11570-5254
- Practice phone
- Call (516) 763-2800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
New York University - Primary Care - Rockville Centre (Merrick Rd)
Primary care practice · Rockville Centre, New York
Find Dr. Kessler's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mark A. Kessler is a cardiologist in New York, New York
Dr. Kessler practices at New York University - Primary Care - Rockville Centre (Merrick Rd) in Rockville Centre, New York.
Dr. Kessler's NPI, 1083605224, was assigned on November 4, 2005. Dr. Kessler holds New York license 128192.
- NPI
- 1083605224NPI Registry (opens in a new tab)
- NPI enumeration date
- November 4, 2005
- NPI status
- Active
- Practice phone
- (516) 763-2800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark A. Kessler practices in Rockville Centre and New York
Dr. Kessler's primary practice is New York University - Primary Care - Rockville Centre (Merrick Rd), at 242 Merrick Rd Suite 402 Suite 402, Rockville Centre, NY 11570-5254. The practice phone is (516) 763-2800. The NPI Registry lists Dr. Kessler's practice address as 550 1st Ave, New York, NY 10016.
- New York University - Primary Care - Rockville Centre (Merrick Rd)Primary242 Merrick Rd Suite 402 Suite 402, Rockville Centre, NY 11570-5254Phone(516) 763-2800
- NPI Registry address550 1st Ave, New York, NY 10016 · New York CountyPhone(516) 763-2800
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Mark A. Kessler is affiliated with 4 sites of care and 4 medical groups
Dr. Kessler's primary practice is New York University - Primary Care - Rockville Centre (Merrick Rd) in Rockville Centre, New York. The medical group on file is NYU Langone Orthopedic Surgery Associates. Dmand AI also links Dr. Kessler to 3 more group practices and clinics and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Mark A. Kessler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kessler practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| New York University - Primary Care - Rockville Centre (Merrick Rd) | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark A. Kessler is one of 2,265 cardiologists in New York
Cardiovascular disease is Dr. Kessler's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Kessler is licensed in New York.
Specialties and state licenses
- Cardiovascular disease, New YorkPrimary
Cardiologists near Dr. Kessler
Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark A. Kessler billed Medicare for 1,994 services in 2019
CMS data shows 1,994 Medicare services from Dr. Kessler across 11 procedure codes in 2019. Medicare paid $76,462 for them. Every service was in an office.
Dr. Kessler's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Tests and treatments
- 2018: 1,3762019: 96030%
- Office and hospital visits
- 2018: 1,1302019: 75034%
- Lab and pathology
- 2018: 2222019: 14336%
- Surgery
- 2018: 1102019: 14128%
Dr. Kessler compared with the New York median for cardiologists, 2019
- Dr. Kessler
- New York median
- Medicare services
- 1,994vs 1,67419% above
- Part D claims
- 401vs 1,41272% below
Medians across 2,211 cardiologists in New York with Dmand AI profiles that report each measure.
Dr. Kessler's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kessler and other cardiologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark A. Kessler's patients have a median age of 78
Across all payers, Dmand AI patient panel data puts Dr. Kessler's median patient age at 78, with 50% women.
Dr. Kessler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Mark A. Kessler wrote 401 Medicare Part D claims in 2020
In 2020, Dr. Kessler wrote 401 Medicare Part D claims. They cover 16 drugs, with $29,655 in total drug cost. In 2019, CMS named 2,280 claims across 39 drugs.
Dr. Kessler's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 2,2802020: 40182%
Drugs named by CMS: 16 in 2020, 39 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Mark A. Kessler received $137 in industry payments from 2017 to 2025
CMS Open Payments shows 3 general payments to Dr. Kessler from 3 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $100.
General payments to Dr. Kessler by program year, 2017 to 2025
Companies that paid Dr. Kessler the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark A. Kessler's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark A. Kessler
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mark A. Kessler's NPI number?
Dr. Mark A. Kessler's NPI number is 1083605224. It was assigned on November 4, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark A. Kessler?
Dr. Mark A. Kessler is a cardiologist in New York, New York. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Mark A. Kessler practice?
Dr. Kessler practices at 242 Merrick Rd Suite 402 Suite 402, Rockville Centre, NY 11570-5254. Dr. Kessler also practices at 550 1st Ave, New York, NY 10016. Dr. Kessler's primary practice is New York University - Primary Care - Rockville Centre (Merrick Rd) in Rockville Centre, New York. Dmand AI also links Dr. Kessler to 3 group practices and clinics and 3 medical groups.
What is Dr. Mark A. Kessler's office phone number?
The practice phone on file for Dr. Kessler is (516) 763-2800.
What is Dr. Mark A. Kessler's medical license number?
Dr. Kessler holds New York license 128192.
What medical group is Dr. Mark A. Kessler part of?
Dr. Kessler is linked to NYU Langone Orthopedic Surgery Associates. Dmand AI links Dr. Kessler to 3 more medical groups.
Does Dr. Mark A. Kessler accept Medicare?
Yes. CMS data shows Dr. Kessler billed Medicare for 1,994 services in 2019.
What services does Dr. Mark A. Kessler bill to Medicare?
In 2019, Dr. Kessler's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93000) and heart test or procedure (93793).
What drugs does Dr. Mark A. Kessler prescribe most?
In 2020 Medicare Part D data, Dr. Kessler's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Mark A. Kessler received payments from drug or device companies?
CMS Open Payments shows $137 in general payments to Dr. Kessler from 3 companies from 2017 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Mark A. Kessler been practicing?
Dr. Kessler's NPI was assigned in 2005.
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