RITU JAIN VISWANATH MD
NPI 1497029078
Internal Medicine in Tarzana, CA
About Ritu Jain Viswanath Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RITU JAIN VISWANATH MD (NPI 1497029078) is an individual internal medicine provider in Tarzana, California, licensed in California (A125466) and active in the NPI registry since February 2012. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 2
Other Identifiers 1
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
Ritu Jain Viswanath 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
3Medicare enrollment records show Ritu Viswanath reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Woodland Hills, CA 91367
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 clinicians in this Medicare group
Los Angeles, CA 90059
- Reassigned Medicare billing, California enrollment
- 198 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91356 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TARZANA, CA 91356
TARZANA, CA 91356
TARZANA, CA 91356
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 Ritu Viswanath's NPI number?
The NPI number for Ritu Viswanath is 1497029078. It was assigned to this individual provider in the NPPES registry on February 29, 2012. The provider is also known as Ritu Jain MD.
Where is Ritu Viswanath located?
Ritu Viswanath practices at 5525 Etiwanda Ave Ste 228, Tarzana, CA 91356. The listed phone number is (310) 571-5015.
What is Ritu Viswanath's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ritu Viswanath enrolled in Medicare?
Yes. Ritu Viswanath 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 Ritu Viswanath's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ritu Viswanath reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (Woodland Hills, CA), Healthcare Partners Affiliates Medical Group (Los Angeles, CA) and Superior Hospitalist Medical Group Inc (Los Angeles, 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 Ritu Viswanath'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 Ritu Viswanath was last updated on May 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.
# Ritu Jain Viswanath, MD · NPI 1497029078
Internal Medicine physician in Tarzana, California. Individual provider, active in the CMS NPPES registry since February 29, 2012.
## Identity
- **NPI:** 1497029078 (Entity type: Individual)
- **Enumerated:** February 29, 2012
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A125466 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 5525 ETIWANDA AVE STE 228, Tarzana, CA 91356-6157
- **Phone:** (310) 571-5015
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1952333478, Woodland Hills, CA); Healthcare Partners Affiliates Medical Group (NPI 1659312593, Los Angeles, CA); Superior Hospitalist Medical Group Inc (NPI 1780047712, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** May 11, 2026
- **Other identifiers:** Other 14W11 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1497029078) · Data from the CMS NPPES public registry.