Mark Kessler, M.D.
NPI 1083605224 · Cardiovascular Disease Physician · Rockville Centre, NY
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Kessler, M.D. is a Cardiovascular Disease Physician provider in Rockville Centre, NY (NPI 1083605224).
Provider details
- NPI number
- 1083605224
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 128192 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-04
- Last updated
- 2012-12-28
Frequently asked questions
- What is Mark Kessler's NPI number?
- Mark Kessler's National Provider Identifier (NPI) is 1083605224, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Kessler's specialty?
- Mark Kessler is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Kessler located?
- Mark Kessler's practice location on file with NPPES is 242 Merrick Rd, Rockville Centre, NY 11570-5254.
- What is Mark Kessler's phone number?
- The practice phone number listed in the NPPES registry for Mark Kessler is (516) 763-2800.
- Does Mark Kessler accept Medicare?
- Mark Kessler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Kessler's NPI active?
- Yes — Mark Kessler's NPI (1083605224) is active in the NPPES registry as of the last update on 2012-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.