DR. ALA DAHHAN M.D
NPI 1013099787
Internal Medicine - Nephrology in Rochester, NY
About Dr. Ala Dahhan M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALA DAHHAN M.D (NPI 1013099787) is an individual nephrology provider in Rochester, New York, licensed in New York (168450) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with United Memorial Medical Center, and maintains a secondary practice location in Batavia.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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. Ala Dahhan M.d 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 Reassignments
2Medicare enrollment records show Ala Dahhan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14626
- Reassigned Medicare billing, New York enrollment
- 2,285 clinicians in this Medicare group
Rochester, NY 14612
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Western New York Medical Practice PC
- 1,030 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.
Areas of Expertise CMS Part B claims 12
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
United Memorial Medical Center
Acute Care Hospitals · Batavia, NYRochester General Hospital
Acute Care Hospitals · Rochester, NYUnity Hospital
Acute Care Hospitals · Rochester, NYStrong Memorial Hospital
Acute Care Hospitals · Rochester, NYMedina Memorial Hospital
Critical Access Hospitals · Medina, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14626 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
ROCHESTER, NY 14626
ROCHESTER, NY 14626
ROCHESTER, NY 14626
ROCHESTER, NY 14626
ROCHESTER, NY 14626
ROCHESTER, NY 14626
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 Ala Dahhan's NPI number?
The NPI number for Ala Dahhan is 1013099787. It was assigned to this individual provider in the NPPES registry on October 20, 2006.
Where is Ala Dahhan located?
Ala Dahhan practices at 1561 Long Pond Rd Suite 302, Rochester, NY 14626. The listed phone number is (585) 723-1120.
What is Ala Dahhan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Ala Dahhan enrolled in Medicare?
Yes. Ala Dahhan 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 organizations bill Medicare for Ala Dahhan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ala Dahhan reassigns Medicare benefits to 2 organizations: Rochester General Hospital (Rochester, NY) and Western New York Medical Practice P.C (Rochester, NY). Each 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 Ala Dahhan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ala Dahhan affiliated with any hospitals?
According to CMS data, Ala Dahhan is affiliated with United Memorial Medical Center, Rochester General Hospital, Unity Hospital, Strong Memorial Hospital and Medina Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Ala Dahhan was last updated on September 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.