Mark Gersten, MD
NPI 1972589794 · Internal Medicine Physician · Bayside, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Gersten, MD is a Internal Medicine Physician provider in Bayside, NY (NPI 1972589794).
Provider details
- NPI number
- 1972589794
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 124702 (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
- 2005-12-22
- Last updated
- 2016-08-31
Frequently asked questions
- What is Mark Gersten's NPI number?
- Mark Gersten's National Provider Identifier (NPI) is 1972589794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gersten's specialty?
- Mark Gersten is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Gersten located?
- Mark Gersten's practice location on file with NPPES is 58 47 Francis Lewis Blvd, Bayside, NY 11364.
- What is Mark Gersten's phone number?
- The practice phone number listed in the NPPES registry for Mark Gersten is (718) 229-6688.
- Does Mark Gersten accept Medicare?
- Mark Gersten is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Gersten's NPI active?
- Yes — Mark Gersten's NPI (1972589794) is active in the NPPES registry as of the last update on 2016-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.