DR. VINAY SUBHASH MAHAJAN M.B.B.S, PH.D.
NPI 1508005232
Pathology - Clinical Pathology in Boston, MA
About Dr. Vinay Subhash Mahajan M.b.b.s, Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. VINAY SUBHASH MAHAJAN M.B.B.S, PH.D. (NPI 1508005232) is an individual clinical pathology provider in Boston, Massachusetts, licensed in Massachusetts (253732) and active in the NPI registry since February 2009. He is enrolled in Medicare PECOS, is affiliated with Cooley Dickinson Hospital Inc,the, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
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. Vinay Subhash Mahajan M.b.b.s, Ph.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 Vinay Mahajan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 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
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cooley Dickinson Hospital Inc,the
Acute Care Hospitals · Northampton, MAMassachusetts General Hospital
Acute Care Hospitals · Boston, MASouth Shore Hospital
Acute Care Hospitals · South Weymouth, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Vinay Mahajan's NPI number?
The NPI number for Vinay Mahajan is 1508005232. It was assigned to this individual provider in the NPPES registry on February 19, 2009.
Where is Vinay Mahajan located?
Vinay Mahajan practices at 75 Francis St Brigham And Women's Hospital, Department Of Pathology, Boston, MA 02115. The listed phone number is (617) 732-5500.
What is Vinay Mahajan's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology, with taxonomy code 207ZC0006X.
Is Vinay Mahajan enrolled in Medicare?
Yes. Vinay Mahajan 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 Vinay Mahajan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vinay Mahajan reassigns Medicare benefits to Brigham & Womens Physicians Organization Inc (Boston, 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 Vinay Mahajan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Vinay Mahajan affiliated with any hospitals?
According to CMS data, Vinay Mahajan is affiliated with Cooley Dickinson Hospital Inc,the, Massachusetts General Hospital, South Shore Hospital and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Vinay Mahajan was last updated on March 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Vinay Subhash Mahajan, M.B.B.S, PH.D. · NPI 1508005232
Clinical Pathology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since February 19, 2009.
## Identity
- **NPI:** 1508005232 (Entity type: Individual)
- **Enumerated:** February 19, 2009
- **Primary specialty:** Pathology - Clinical Pathology · taxonomy 207ZC0006X
- **State license:** 253732 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL, DEPARTMENT OF PATHOLOGY, Boston, MA 02115-6110
- **Phone:** (617) 732-5500
## 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:** Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, 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:** March 24, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1508005232) · Data from the CMS NPPES public registry.