ROSILYN KATTIYAMAN APRN
NPI 1215407358
Nurse Practitioner in Moreno Valley, CA
About Rosilyn Kattiyaman Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROSILYN KATTIYAMAN APRN (NPI 1215407358) is an individual nurse practitioner in Moreno Valley, California, licensed in California (95026910) and active in the NPI registry since December 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
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
Rosilyn Kattiyaman Aprn 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
6Medicare enrollment records show Rosilyn Kattiyaman reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Moreno Valley, CA 92555
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1740235258 (California)
- 2,323 clinicians in this Medicare group
Moreno Valley, CA 92555
- Reassigned Medicare billing, California enrollment
- 336 clinicians in this Medicare group
Belleville, IL 62226
- Reassigned Medicare billing, Illinois enrollment
- 982 clinicians in this Medicare group
Sandwich, IL 60548
- Reassigned Medicare billing, Illinois enrollment
- 561 clinicians in this Medicare group
Naperville, IL 60540
- Reassigned Medicare billing, Illinois enrollment
- 268 clinicians in this Medicare group
Elmhurst, IL 60126
- Reassigned Medicare billing, Illinois enrollment
- 205 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 92555 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
MORENO VALLEY, CA 92555
MORENO VALLEY, CA 92555
MORENO VALLEY, CA 92555
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 Rosilyn Kattiyaman's NPI number?
The NPI number for Rosilyn Kattiyaman is 1215407358. It was assigned to this individual provider in the NPPES registry on December 2, 2018.
Where is Rosilyn Kattiyaman located?
Rosilyn Kattiyaman practices at 26520 Cactus Ave, Moreno Valley, CA 92555. The listed phone number is (951) 988-9922.
What is Rosilyn Kattiyaman's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Rosilyn Kattiyaman enrolled in Medicare?
Yes. Rosilyn Kattiyaman 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 Rosilyn Kattiyaman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rosilyn Kattiyaman reassigns Medicare benefits to 6 organizations: Cep America - California (Moreno Valley, CA), County Of Riverside (Moreno Valley, CA), Cepamerica Illinois LLP (Belleville, IL), Edward Health Ventures (Sandwich, IL), Edward Hospital (Naperville, IL) 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 Rosilyn Kattiyaman'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 Rosilyn Kattiyaman was last updated on December 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.