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DR. CATHERINE CECELIA VATSIS MD
NPI 1477012375
Internal Medicine - Nephrology in Phoenix, AZ

Active since March 19, 2019PECOS EnrolledAccepts Medicare Assignment
2610 N 3RD ST, PHOENIX, AZ 85004(480) 610-6100 Get Directions Write a Review

NPPES record last updated: December 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 3, 2025, Feb 21, 2022, Mar 19, 2019 (3 updates tracked since 2019).

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, is affiliated with Memorial Hermann - Texas Medical Center, and is a graduate of Wayne State University School Of Medicine (2019).

NPPES Registry Identity

NPI1477012375
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameDR. CATHERINE CECELIA VATSISCredential: MD
Location Address2610 N 3RD STPhoenix, AZ 85004-1102
Mailing Address2610 N 3rd StPhoenix, AZ 85004-1102 · (480) 610-6100
Phone(480) 610-6100
Sole ProprietorYes
Medical School CMSWayne State University School Of MedicineGraduated 2019
Enumeration DateMarch 19, 2019
Last NPPES UpdateDecember 3, 20253 updates tracked since enumeration
NPPES CertifiedDecember 3, 2025
✔ NPI 1477012375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in AZ · 77079
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
2610 N 3RD ST, Phoenix, AZ 85004
Open in Google Maps ↗

Other Identifiers 1

Other1477012375AZ · Npi

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID7810221272
PECOS Enrollment IDI20250818003030
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hermann - Texas Medical Center

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450068
Location6411 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

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.

New Patient
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ANDRES M HERNANDEZ M.D.
Internal Medicine
2610 N 3RD ST, SUITE A-1
PHOENIX, AZ 85004
Maricopa County (602) 824-4400
DR. RACHEL DE SOUZA FILGUEIRAS PINTO MD
Internal Medicine (Nephrology)
2610 N 3RD ST
PHOENIX, AZ 85004
Maricopa County (520) 327-6265
DOWNTOWN MEDICAL GROUP, P.C.
Internal Medicine
2610 N 3RD ST, SUITE A-1
PHOENIX, AZ 85004
Maricopa County (602) 824-4400
KEIKHOSROW MOSALLAIE DO
Physical Medicine & Rehabilitation
2610 N 3RD ST, STE B
PHOENIX, AZ 85004
Maricopa County (602) 274-7600
PADMA R. MAHANT MD, LLC
Clinic/Center
2610 N 3RD ST, SUITE A
PHOENIX, AZ 85004
Maricopa County (602) 277-2228
EMILY SUE EDWARDS FNP-BC
Nurse Practitioner (Family)
2610 N 3RD ST
PHOENIX, AZ 85004
Maricopa County (480) 610-6100
MOHIT AGARWAL
Internal Medicine (Nephrology)
2610 N 3RD ST
PHOENIX, AZ 85004
Maricopa County (480) 610-6100
ALI A ASKARI PC
Internal Medicine (Cardiovascular Disease)
2610 N 3RD ST, SUITE A-1
PHOENIX, AZ 85004
Maricopa County (602) 277-6181

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.

What insurance does Catherine Vatsis accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers 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.

Is Catherine Vatsis affiliated with any hospitals?

According to CMS data, Catherine Vatsis is affiliated with Memorial Hermann - Texas Medical Center.

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 8 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.