NAHIDA ISLAM M.D.
NPI 1568669646
Internal Medicine - Hematology & Oncology in Worcester, MA
About Nahida Islam M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NAHIDA ISLAM M.D. (NPI 1568669646) is an individual hematology & oncology provider in Worcester, Massachusetts, licensed in Massachusetts (246494) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Nahida Islam 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 Reassignment
Medicare enrollment records show Nahida Islam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Worcester, MA 01606
- Reassigned Medicare billing, Massachusetts enrollment
- 718 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 8
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MASt Vincent Hospital
Acute Care Hospitals · Worcester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01606 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Nahida Islam's NPI number?
The NPI number for Nahida Islam is 1568669646. It was assigned to this individual provider in the NPPES registry on July 2, 2007.
Where is Nahida Islam located?
Nahida Islam practices at 5 Neponset St, Worcester, MA 01606. The listed phone number is (508) 556-5400.
What is Nahida Islam's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Nahida Islam enrolled in Medicare?
Yes. Nahida Islam 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 Nahida Islam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nahida Islam reassigns Medicare benefits to Reliant Medical Group, Inc (Worcester, MA). 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 Nahida Islam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nahida Islam accept?
Health plans from Anthem Blue Cross and Blue Shield and WellSense Health Plan list Nahida Islam 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 Nahida Islam affiliated with any hospitals?
According to CMS data, Nahida Islam is affiliated with Umass Memorial Medical Center/University Campus and St Vincent Hospital.
When was this NPI record last updated?
The NPPES record for Nahida Islam was last updated on June 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Nahida Islam, M.D. · NPI 1568669646
Hematology & Oncology physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since July 2, 2007.
## Identity
- **NPI:** 1568669646 (Entity type: Individual)
- **Enumerated:** July 2, 2007
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 246494 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 5 NEPONSET ST, Worcester, MA 01606-2714
- **Phone:** (508) 556-5400
## 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:** Reliant Medical Group, Inc (NPI 1720017528, Worcester, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** June 3, 2025
- **Other identifiers:** Medicaid 110097774A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1568669646) · Data from the CMS NPPES public registry.