Robert Shlien, MD
NPI 1154322246 · Gastroenterology Physician · Wayne, NJ
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Shlien, MD is a Gastroenterology Physician provider in Wayne, NJ (NPI 1154322246).
Provider details
- NPI number
- 1154322246
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA04992600 (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
- 2005-08-10
- Last updated
- 2019-04-10
Frequently asked questions
- What is Robert Shlien's NPI number?
- Robert Shlien's National Provider Identifier (NPI) is 1154322246, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Shlien's specialty?
- Robert Shlien is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Shlien located?
- Robert Shlien's practice location on file with NPPES is 1777 Hamburg Turnpike, Wayne, NJ 07470-5211.
- What is Robert Shlien's phone number?
- The practice phone number listed in the NPPES registry for Robert Shlien is (973) 839-6400.
- Does Robert Shlien accept Medicare?
- Robert Shlien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Shlien's NPI active?
- Yes — Robert Shlien's NPI (1154322246) is active in the NPPES registry as of the last update on 2019-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.