Rian Tanenbaum, M.D.
NPI 1356343610 · Gastroenterology Physician · Marrero, LA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rian Tanenbaum, M.D. is a Gastroenterology Physician provider in Marrero, LA (NPI 1356343610).
Provider details
- NPI number
- 1356343610
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 16704 (LA)
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
21 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
- 2005-06-01
- Last updated
- 2013-11-13
Frequently asked questions
- What is Rian Tanenbaum's NPI number?
- Rian Tanenbaum's National Provider Identifier (NPI) is 1356343610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rian Tanenbaum's specialty?
- Rian Tanenbaum is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Rian Tanenbaum located?
- Rian Tanenbaum's practice location on file with NPPES is 1111 Medical Center Blvd, Marrero, LA 70072-3151.
- What is Rian Tanenbaum's phone number?
- The practice phone number listed in the NPPES registry for Rian Tanenbaum is (504) 349-6423.
- Does Rian Tanenbaum accept Medicare?
- Rian Tanenbaum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rian Tanenbaum's NPI active?
- Yes — Rian Tanenbaum's NPI (1356343610) is active in the NPPES registry as of the last update on 2013-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.