DR. NEERAJ JAIN M.D
NPI 1144425539
Internal Medicine - Nephrology in Worcester, MA
About Dr. Neeraj Jain M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NEERAJ JAIN M.D (NPI 1144425539) is an individual nephrology provider in Worcester, Massachusetts, licensed in Massachusetts (235524) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Lowell General Hospital, and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses 2
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. Neeraj Jain 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
7Medicare enrollment records show Neeraj Jain reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Worcester, MA 01608
- Reassigned Medicare billing, Massachusetts enrollment
- 197 clinicians in this Medicare group
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- 1,103 clinicians in this Medicare group
Cambridge, MA 02139
- Reassigned Medicare billing, Massachusetts enrollment
- 719 clinicians in this Medicare group
Stoughton, MA 02072
- Reassigned Medicare billing, Massachusetts enrollment
- 337 clinicians in this Medicare group
Tewksbury, MA 01876
- Reassigned Medicare billing, Massachusetts enrollment
- 4 clinicians in this Medicare group
Brockton, MA 02301
- Reassigned Medicare billing, Massachusetts enrollment
- 173 clinicians in this Medicare group
Springfield, MA 01107
- Reassigned Medicare billing, Massachusetts enrollment
- 23 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 11
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.
Lowell General Hospital
Acute Care Hospitals · Lowell, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01608 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.
WORCESTER, MA 01608
WORCESTER, MA 01608
WORCESTER, MA 01608
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 Neeraj Jain's NPI number?
The NPI number for Neeraj Jain is 1144425539. It was assigned to this individual provider in the NPPES registry on June 18, 2007.
Where is Neeraj Jain located?
Neeraj Jain practices at 123 Summer St, Worcester, MA 01608. The listed phone number is (508) 363-5000.
What is Neeraj Jain's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Neeraj Jain enrolled in Medicare?
Yes. Neeraj Jain 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 Neeraj Jain's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Neeraj Jain reassigns Medicare benefits to 7 organizations: Saint Vincent Physician Services, Inc. (Worcester, MA), Steward Medical Group, Inc (Watertown, MA), Cambridge Public Health Commission (Cambridge, MA), Sound Physicians Of Massachusetts, Inc (Stoughton, MA), Nephrology Asssociates Of The Merrimack Valley PC (Tewksbury, MA) and 2 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 Neeraj Jain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Neeraj Jain accept?
Health plans from Anthem Blue Cross and Blue Shield, Oscar Health and Taro Health list Neeraj Jain 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 Neeraj Jain affiliated with any hospitals?
According to CMS data, Neeraj Jain is affiliated with Lowell General Hospital.
When was this NPI record last updated?
The NPPES record for Neeraj Jain was last updated on August 5, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Neeraj Jain, M.D · NPI 1144425539
Nephrology physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since June 18, 2007.
## Identity
- **NPI:** 1144425539 (Entity type: Individual)
- **Enumerated:** June 18, 2007
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 235524 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 123 SUMMER ST, Worcester, MA 01608-1216
- **Phone:** (508) 363-5000
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Saint Vincent Physician Services, Inc. (NPI 1013997329, Worcester, MA); Steward Medical Group, Inc (NPI 1629398219, Watertown, MA); Cambridge Public Health Commission (NPI 1487603585, Cambridge, MA); Sound Physicians Of Massachusetts, Inc (NPI 1245784446, Stoughton, MA); Nephrology Asssociates Of The Merrimack Valley PC (NPI 1700083433, Tewksbury, MA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** August 5, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1144425539) · Data from the CMS NPPES public registry.