Mark Sisskin, M.D.
NPI 1922071505 · Internal Medicine Physician · Ocean, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Sisskin, M.D. is a Internal Medicine Physician provider in Ocean, NJ (NPI 1922071505).
Provider details
- NPI number
- 1922071505
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MA04343400 (NJ)
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
- 2006-02-13
- Last updated
- 2008-10-01
Frequently asked questions
- What is Mark Sisskin's NPI number?
- Mark Sisskin's National Provider Identifier (NPI) is 1922071505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sisskin's specialty?
- Mark Sisskin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Sisskin located?
- Mark Sisskin's practice location on file with NPPES is 3200 Sunset Ave, Ocean, NJ 07712-4556.
- What is Mark Sisskin's phone number?
- The practice phone number listed in the NPPES registry for Mark Sisskin is (732) 774-4114.
- Does Mark Sisskin accept Medicare?
- Mark Sisskin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Sisskin's NPI active?
- Yes — Mark Sisskin's NPI (1922071505) is active in the NPPES registry as of the last update on 2008-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.