DR. CATHERINE CECELIA VATSIS MD
NPI 1477012375
Internal Medicine - Nephrology in Phoenix, AZ
About Dr. Catherine Cecelia Vatsis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CATHERINE CECELIA VATSIS MD (NPI 1477012375) is an individual nephrology provider in Phoenix, Arizona, licensed in Arizona (77079) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Catherine Cecelia Vatsis 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 Catherine Vatsis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tempe, AZ 85284
- Reassigned Medicare billing, Arizona enrollment
- 117 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 85004 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHOENIX, AZ 85004
PHOENIX, AZ 85004
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 Catherine Vatsis's NPI number?
The NPI number for Catherine Vatsis is 1477012375. It was assigned to this individual provider in the NPPES registry on March 19, 2019.
Where is Catherine Vatsis located?
Catherine Vatsis practices at 2610 N 3rd St, Phoenix, AZ 85004. The listed phone number is (480) 610-6100.
What is Catherine Vatsis's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Catherine Vatsis enrolled in Medicare?
Yes. Catherine Vatsis 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 Catherine Vatsis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Vatsis reassigns Medicare benefits to Southwest Kidney Institute, Plc (Tempe, AZ). 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 Catherine Vatsis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Catherine Vatsis accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. and 1 other insurer list Catherine Vatsis 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 Catherine Vatsis was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Catherine Cecelia Vatsis, MD · NPI 1477012375
Nephrology physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since March 19, 2019.
## Identity
- **NPI:** 1477012375 (Entity type: Individual)
- **Enumerated:** March 19, 2019
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 77079 (Arizona)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2610 N 3RD ST, Phoenix, AZ 85004-1102
- **Phone:** (480) 610-6100
## 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:** Southwest Kidney Institute, Plc (NPI 1659316008, Tempe, AZ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** December 3, 2025
- **Other identifiers:** Other 1477012375 (AZ)
---
Source: [NPI Profile](https://npiprofile.com/npi/1477012375) · Data from the CMS NPPES public registry.