Mark Klausner
NPI 1346412012 · Nephrology Physician · Lawrenceville, NJ
Enrolled with Medicare as Order and Referring Only - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Klausner is a Nephrology Physician provider in Lawrenceville, NJ (NPI 1346412012).
Provider details
- NPI number
- 1346412012
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA05024400 (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
18 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
- 2008-04-02
- Last updated
- 2008-05-15
Frequently asked questions
- What is Mark Klausner's NPI number?
- Mark Klausner's National Provider Identifier (NPI) is 1346412012, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Klausner's specialty?
- Mark Klausner is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Klausner located?
- Mark Klausner's practice location on file with NPPES is 2332 Town Ct N, Lawrenceville, NJ 08648-4709.
- What is Mark Klausner's phone number?
- The practice phone number listed in the NPPES registry for Mark Klausner is (609) 462-9217.
- Does Mark Klausner accept Medicare?
- Mark Klausner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Klausner's NPI active?
- Yes — Mark Klausner's NPI (1346412012) is active in the NPPES registry as of the last update on 2008-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.