Karen Leibowitz, MD
NPI 1043411655 · Pediatric Gastroenterology Physician · Somerset, NJ
Karen Leibowitz, MD is a Pediatric Gastroenterology Physician provider in Somerset, NJ (NPI 1043411655).
Provider details
- NPI number
- 1043411655
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA08418100 (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
19 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
- 2007-05-30
- Last updated
- 2016-04-22
Frequently asked questions
- What is Karen Leibowitz's NPI number?
- Karen Leibowitz's National Provider Identifier (NPI) is 1043411655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Leibowitz's specialty?
- Karen Leibowitz is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Leibowitz located?
- Karen Leibowitz's practice location on file with NPPES is 107 Cedar Grove Ln, Somerset, NJ 08873-4719.
- What is Karen Leibowitz's phone number?
- The practice phone number listed in the NPPES registry for Karen Leibowitz is (518) 275-9013.
- Is Karen Leibowitz's NPI active?
- Yes — Karen Leibowitz's NPI (1043411655) is active in the NPPES registry as of the last update on 2016-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.