ANIL TIWARI MD
NPI 1285687756
Anesthesiology in Irvine, CA
About Anil Tiwari Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANIL TIWARI MD (NPI 1285687756) is an individual anesthesiology provider in Irvine, California, licensed in California (A84690) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (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
Anil 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 Reassignments
2Medicare enrollment records show Anil Tiwari reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 420 clinicians in this Medicare group
Riverside, CA 92505
- Reassigned Medicare billing, California enrollment
- 5,228 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 3
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.
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 Anil Tiwari's NPI number?
The NPI number for Anil Tiwari is 1285687756. It was assigned to this individual provider in the NPPES registry on May 18, 2006.
Where is Anil Tiwari located?
Anil Tiwari practices at 6650 Alton Parkway Mob 2, Irvine, CA 92618. The listed phone number is (949) 932-2284.
What is Anil Tiwari's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Anil Tiwari enrolled in Medicare?
Yes. Anil 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 organizations bill Medicare for Anil Tiwari's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anil Tiwari reassigns Medicare benefits to 2 organizations: Regents Of The University Of (Orange, CA) and Southern California Permanente Medical Group (Riverside, CA). 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 Anil Tiwari's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Anil Tiwari was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Anil Tiwari, MD · NPI 1285687756
Anesthesiology physician in Irvine, California. Individual provider, active in the CMS NPPES registry since May 18, 2006.
## Identity
- **NPI:** 1285687756 (Entity type: Individual)
- **Enumerated:** May 18, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A84690 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6650 ALTON PARKWAY, MOB 2, Irvine, CA 92618
- **Phone:** (949) 932-2284
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of (NPI 1487602546, Orange, CA); Southern California Permanente Medical Group (NPI 1316979834, Riverside, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 2002
## Record status
- **NPPES last updated:** March 7, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1285687756) · Data from the CMS NPPES public registry.