DR. LEENA T RAHMAT M.D.
NPI 1962799957
Internal Medicine - Hematology & Oncology in Springfield, MA
About Dr. Leena T Rahmat M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LEENA T RAHMAT M.D. (NPI 1962799957) is an individual hematology & oncology provider in Springfield, Massachusetts, licensed in Massachusetts (268926) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with Baystate Franklin Medical Center, and is a graduate of Other (2008).
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
Dr. Leena T Rahmat 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
4Medicare enrollment records show Leena Rahmat reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, MA 01199
- Reassigned Medicare billing, Massachusetts enrollment
- 1,537 clinicians in this Medicare group
Hartford, CT 06105
- Reassigned Medicare billing, Connecticut enrollment
- 1,186 clinicians in this Medicare group
Belcamp, MD 21017
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, District of Columbia enrollment
- 72 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baystate Franklin Medical Center
Acute Care Hospitals · Greenfield, MABaystate Noble Hospital
Acute Care Hospitals · Westfield, MABaystate Medical Center
Acute Care Hospitals · Springfield, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01107 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 5
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 Leena Rahmat's NPI number?
The NPI number for Leena Rahmat is 1962799957. It was assigned to this individual provider in the NPPES registry on June 29, 2011.
Where is Leena Rahmat located?
Leena Rahmat practices at 3350 Main Street, Springfield, MA 01107. The listed phone number is (413) 794-9338.
What is Leena Rahmat's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Leena Rahmat enrolled in Medicare?
Yes. Leena Rahmat 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 Leena Rahmat's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leena Rahmat reassigns Medicare benefits to 4 organizations: Baystate Medical Practices, Inc (Springfield, MA), Trinity Health Of New England Provider Network Organization Inc (Hartford, CT), Johns Hopkins University (Belcamp, MD) and Johns Hopkins University (Baltimore, MD). 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 Leena Rahmat's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leena Rahmat accept?
Health plans from Taro Health list Leena Rahmat 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 Leena Rahmat affiliated with any hospitals?
According to CMS data, Leena Rahmat is affiliated with Baystate Franklin Medical Center, Baystate Noble Hospital and Baystate Medical Center.
When was this NPI record last updated?
The NPPES record for Leena Rahmat was last updated on March 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Leena T Rahmat, M.D. · NPI 1962799957
Hematology & Oncology physician in Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since June 29, 2011.
## Identity
- **NPI:** 1962799957 (Entity type: Individual)
- **Enumerated:** June 29, 2011
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 268926 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 3350 MAIN STREET, Springfield, MA 01107-1112
- **Phone:** (413) 794-9338 · **Fax:** (413) 794-9754
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Baystate Medical Practices, Inc (NPI 1548205909, Springfield, MA); Trinity Health Of New England Provider Network Organization Inc (NPI 1003882812, Hartford, CT); Johns Hopkins University (NPI 1376342774, Belcamp, MD); Johns Hopkins University (NPI 1710106414, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** March 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1962799957) · Data from the CMS NPPES public registry.