DR. ALEXANDER PHILIP ABADIR MD
NPI 1811429699
Internal Medicine - Gastroenterology in Norwalk, CT
About Dr. Alexander Philip Abadir Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER PHILIP ABADIR MD (NPI 1811429699) is an individual gastroenterology provider in Norwalk, Connecticut, licensed in Connecticut (80317) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Orange, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Alexander Philip Abadir Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Alexander Abadir reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Danbury, CT 06810
- Reassigned Medicare billing, Connecticut enrollment
- 818 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06850 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alexander Abadir's NPI number?
The NPI number for Alexander Abadir is 1811429699. It was assigned to this individual provider in the NPPES registry on March 30, 2017.
Where is Alexander Abadir located?
Alexander Abadir practices at 34 Maple St, Norwalk, CT 06850. The listed phone number is (203) 852-2000.
What is Alexander Abadir's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Alexander Abadir enrolled in Medicare?
Yes. Alexander Abadir is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Alexander Abadir's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Abadir reassigns Medicare benefits to Nuvance Health Medical Practice Ct, Inc. (Danbury, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Abadir's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Abadir accept?
Health plans from Anthem Blue Cross and Blue Shield list Alexander Abadir as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Alexander Abadir was last updated on April 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Alexander Philip Abadir, MD · NPI 1811429699
Gastroenterology physician in Norwalk, Connecticut. Individual provider, active in the CMS NPPES registry since March 30, 2017.
## Identity
- **NPI:** 1811429699 (Entity type: Individual)
- **Enumerated:** March 30, 2017
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 80317 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 34 MAPLE ST, Norwalk, CT 06850-3815
- **Phone:** (203) 852-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Nuvance Health Medical Practice Ct, Inc. (NPI 1407898117, Danbury, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** April 6, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1811429699) · Data from the CMS NPPES public registry.