ALEENA ZIA MD
NPI 1245752328
Internal Medicine - Infectious Disease in Springfield, MA
About Aleena Zia Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEENA ZIA MD (NPI 1245752328) is an individual infectious disease provider in Springfield, Massachusetts, licensed in Massachusetts (291576) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS, is affiliated with Mercy Medical Ctr, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Aleena Zia 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 Reassignments
2Medicare enrollment records show Aleena Zia reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, MA 01104
- Reassigned Medicare billing, Massachusetts enrollment
- 168 clinicians in this Medicare group
Springfield, MA 01104
- Reassigned Medicare billing, Massachusetts enrollment
- 298 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Medical Ctr
Acute Care Hospitals · Springfield, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01104 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPRINGFIELD, MA 01104
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 Aleena Zia's NPI number?
The NPI number for Aleena Zia is 1245752328. It was assigned to this individual provider in the NPPES registry on July 11, 2017.
Where is Aleena Zia located?
Aleena Zia practices at 175 Carew St Ste 200, Springfield, MA 01104. The listed phone number is (413) 734-8254.
What is Aleena Zia's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Aleena Zia enrolled in Medicare?
Yes. Aleena Zia 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 Aleena Zia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aleena Zia reassigns Medicare benefits to 2 organizations: Mercy Inpatient Medical Associates Inc. (Springfield, MA) and Riverbend Medical Group, Inc. (Springfield, MA). 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 Aleena Zia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aleena Zia accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Aleena Zia 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.
Is Aleena Zia affiliated with any hospitals?
According to CMS data, Aleena Zia is affiliated with Mercy Medical Ctr.
When was this NPI record last updated?
The NPPES record for Aleena Zia was last updated on August 18, 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.