AHMED HASSAN DAHSHAN MD
NPI 1679545560
Pediatrics - Pediatric Gastroenterology in Tucson, AZ
About Ahmed Hassan Dahshan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AHMED HASSAN DAHSHAN MD (NPI 1679545560) is an individual pediatric gastroenterology provider in Tucson, Arizona, licensed in West Virginia (24418) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ahmed Hassan Dahshan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ahmed Dahshan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tucson, AZ 85712
- Reassigned Medicare billing, Arizona enrollment
- 471 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 85712 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Ahmed Dahshan's NPI number?
The NPI number for Ahmed Dahshan is 1679545560. It was assigned to this individual provider in the NPPES registry on February 3, 2006.
Where is Ahmed Dahshan located?
Ahmed Dahshan practices at 5300 E Erickson Dr Ste 101, Tucson, AZ 85712. The listed phone number is (520) 324-7200.
What is Ahmed Dahshan's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.
Is Ahmed Dahshan enrolled in Medicare?
Yes. Ahmed Dahshan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ahmed Dahshan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ahmed Dahshan reassigns Medicare benefits to Tmc Medical Network (Tucson, AZ). 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 Ahmed Dahshan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ahmed Dahshan was last updated on September 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.