MANSOOR ANWER ZAIDI MD
NPI 1861411647
Internal Medicine in Springfield, MA
About Mansoor Anwer Zaidi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MANSOOR ANWER ZAIDI MD (NPI 1861411647) is an individual internal medicine provider in Springfield, Massachusetts, licensed in Massachusetts (236499) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Ctr, and maintains a secondary practice location in Holyoke.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 5
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
Mansoor Anwer Zaidi 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
9Medicare enrollment records show Mansoor Zaidi reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, MA 01108
- Reassigned Medicare billing, Massachusetts enrollment
Springfield, MA 01104
- Reassigned Medicare billing, Massachusetts enrollment
- 62 clinicians in this Medicare group
Holyoke, MA 01040
- Reassigned Medicare billing, Massachusetts enrollment
- 55 clinicians in this Medicare group
Chicopee, MA 01020
- Reassigned Medicare billing, Massachusetts enrollment
- 242 clinicians in this Medicare group
Stafford Springs, CT 06076
- Reassigned Medicare billing, Connecticut enrollment
- 56 clinicians in this Medicare group
Stafford Springs, CT 06076
- Reassigned Medicare billing, Connecticut enrollment
- 100 clinicians in this Medicare group
Athol, MA 01331
- Reassigned Medicare billing, Massachusetts enrollment
- 324 clinicians in this Medicare group
Wallingford, CT 06492
- Reassigned Medicare billing, Connecticut enrollment
Gardner, MA 01440
- Reassigned Medicare billing, Massachusetts enrollment
- 344 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 7
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 01108 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 2
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 Mansoor Zaidi's NPI number?
The NPI number for Mansoor Zaidi is 1861411647. It was assigned to this individual provider in the NPPES registry on July 19, 2006.
Where is Mansoor Zaidi located?
Mansoor Zaidi practices at 447 Sumner Ave, Springfield, MA 01108. The listed phone number is (203) 678-8006.
What is Mansoor Zaidi's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mansoor Zaidi enrolled in Medicare?
Yes. Mansoor Zaidi 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 Mansoor Zaidi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mansoor Zaidi reassigns Medicare benefits to 9 organizations: Xpress Med Urgent Care LLC (Springfield, MA), Vituity-Massachusetts PLLC (Springfield, MA), Lakes/National Emergency Physicians Inc (Holyoke, MA), Western Mass Physician Associates Inc (Chicopee, MA), Nes Medical Services Of Northern Connecticut, P.C. (Stafford Springs, CT) and 4 more organizations, listed in the Medicare section above. 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 Mansoor Zaidi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mansoor Zaidi accept?
Health plans from WellSense Health Plan list Mansoor Zaidi 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 Mansoor Zaidi affiliated with any hospitals?
According to CMS data, Mansoor Zaidi is affiliated with Mercy Medical Ctr.
When was this NPI record last updated?
The NPPES record for Mansoor Zaidi was last updated on January 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mansoor Anwer Zaidi, MD · NPI 1861411647
Internal Medicine physician in Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since July 19, 2006.
## Identity
- **NPI:** 1861411647 (Entity type: Individual)
- **Enumerated:** July 19, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 236499 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 447 SUMNER AVE, Springfield, MA 01108-2320
- **Phone:** (203) 678-8006
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Xpress Med Urgent Care LLC (NPI 1871296459, Springfield, MA); Vituity-Massachusetts PLLC (NPI 1083404313, Springfield, MA); Lakes/National Emergency Physicians Inc (NPI 1114426772, Holyoke, MA); Western Mass Physician Associates Inc (NPI 1205315793, Chicopee, MA); Nes Medical Services Of Northern Connecticut, P.C. (NPI 1194450478, Stafford Springs, CT); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** January 5, 2024
- **Other identifiers:** Medicaid 02585899 (NY); Other 2117653 (NY); Other 1245941 (NY); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1861411647) · Data from the CMS NPPES public registry.