VISHAL K TIWARI MD
NPI 1023155843
Internal Medicine in Springfield, MA
About Vishal K Tiwari Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VISHAL K TIWARI MD (NPI 1023155843) is an individual internal medicine provider in Springfield, Massachusetts, licensed in Massachusetts (237809) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.
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 (PECOS)
Vishal K Tiwari Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Vishal Tiwari reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, MA 01151
- Reassigned Medicare billing, Massachusetts enrollment
- 134 clinicians in this Medicare group
Springfield, MA 01151
- Reassigned Medicare billing, Massachusetts enrollment
- 137 clinicians in this Medicare group
Holyoke, MA 01040
- Reassigned Medicare billing, Massachusetts enrollment
- 241 clinicians in this Medicare group
Chicopee, MA 01020
- Reassigned Medicare billing, Massachusetts enrollment
- 242 clinicians in this Medicare group
Pittsfield, MA 01201
- Reassigned Medicare billing, Massachusetts enrollment
- 394 clinicians in this Medicare group
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- 1,103 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.
Physician 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPRINGFIELD, MA 01107
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 Vishal Tiwari's NPI number?
The NPI number for Vishal Tiwari is 1023155843. It was assigned to this individual provider in the NPPES registry on January 31, 2007.
Where is Vishal Tiwari located?
Vishal Tiwari practices at 759 Chestnut St, Springfield, MA 01107. The listed phone number is (413) 794-6297.
What is Vishal Tiwari's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Vishal Tiwari enrolled in Medicare?
Yes. Vishal Tiwari is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Vishal Tiwari's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vishal Tiwari reassigns Medicare benefits to 6 organizations: Ch Specialty Services Ma PC (Springfield, MA), Curana Health Of Massachusetts LLC (Springfield, MA), Holyoke Medical Center, Inc. (Holyoke, MA), Western Mass Physician Associates Inc (Chicopee, MA), Berkshire Medical Center, Inc (Pittsfield, MA) and 1 more organization, 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 Vishal Tiwari's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Vishal Tiwari accept?
Health plans from Taro Health list Vishal Tiwari 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.
When was this NPI record last updated?
The NPPES record for Vishal Tiwari was last updated on January 18, 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.
# Vishal K Tiwari, MD · NPI 1023155843
Internal Medicine physician in Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since January 31, 2007.
## Identity
- **NPI:** 1023155843 (Entity type: Individual)
- **Enumerated:** January 31, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 237809 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 759 CHESTNUT ST, Springfield, MA 01107-1619
- **Phone:** (413) 794-6297 · **Fax:** (413) 794-1767
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Ch Specialty Services Ma PC (NPI 1902510720, Springfield, MA); Curana Health Of Massachusetts LLC (NPI 1154779445, Springfield, MA); Holyoke Medical Center, Inc. (NPI 1750395737, Holyoke, MA); Western Mass Physician Associates Inc (NPI 1205315793, Chicopee, MA); Berkshire Medical Center, Inc (NPI 1295765261, Pittsfield, MA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 18, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1023155843) · Data from the CMS NPPES public registry.