DR. ABHINAV TIWARI MD
NPI 1225411598
Internal Medicine - Gastroenterology in Springfield, OR
About Dr. Abhinav Tiwari Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ABHINAV TIWARI MD (NPI 1225411598) is an individual gastroenterology provider in Springfield, Oregon, licensed in Oregon (MD204814) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS, is affiliated with Bay Area Hospital, and is a graduate of Other (2012).
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. Abhinav Tiwari Md 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 Abhinav Tiwari reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Springfield, OR 97477
- Reassigned Medicare billing, Oregon enrollment
- 412 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 10
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.
Bay Area Hospital
Acute Care Hospitals · Coos Bay, ORSacred Heart Medical Center - Riverbend
Acute Care Hospitals · Springfield, ORPeace Harbor Medical Center
Critical Access Hospitals · Florence, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97477 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, OR 97477
SPRINGFIELD, OR 97477
SPRINGFIELD, OR 97477
SPRINGFIELD, OR 97477
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 Abhinav Tiwari's NPI number?
The NPI number for Abhinav Tiwari is 1225411598. It was assigned to this individual provider in the NPPES registry on July 6, 2015.
Where is Abhinav Tiwari located?
Abhinav Tiwari practices at 3377 Riverbend Dr, Springfield, OR 97477. The listed phone number is (541) 222-6200.
What is Abhinav Tiwari's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Abhinav Tiwari enrolled in Medicare?
Yes. Abhinav Tiwari 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 Abhinav Tiwari's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abhinav Tiwari reassigns Medicare benefits to Peacehealth Medical Group (Springfield, OR). 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 Abhinav Tiwari's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Abhinav Tiwari accept?
Health plans from BridgeSpan Health Company, Kaiser Permanente, Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan and 1 other insurer list Abhinav 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.
Is Abhinav Tiwari affiliated with any hospitals?
According to CMS data, Abhinav Tiwari is affiliated with Bay Area Hospital, Sacred Heart Medical Center - Riverbend and Peace Harbor Medical Center.
When was this NPI record last updated?
The NPPES record for Abhinav Tiwari was last updated on September 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Abhinav Tiwari, MD · NPI 1225411598
Gastroenterology physician in Springfield, Oregon. Individual provider, active in the CMS NPPES registry since July 6, 2015.
## Identity
- **NPI:** 1225411598 (Entity type: Individual)
- **Enumerated:** July 6, 2015
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** MD204814 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3377 RIVERBEND DR, Springfield, OR 97477-8803
- **Phone:** (541) 222-6200
## 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:** Peacehealth Medical Group (NPI 1881860856, Springfield, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** September 1, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1225411598) · Data from the CMS NPPES public registry.