MARIE COTTON VASSILIADIS
NPI 1871378091
Nurse Practitioner - Family in San Diego, CA

Active since August 28, 2023PECOS Enrolled
4343 NIAGARA AVE, SAN DIEGO, CA 92107(208) 599-4288 Get Directions Write a Review

NPPES record last updated: August 28, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Marie Cotton Vassiliadis NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIE COTTON VASSILIADIS (NPI 1871378091) is an individual family provider in San Diego, California, licensed in California (95026076) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871378091
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARIE COTTON VASSILIADIS
Location Address4343 NIAGARA AVESan Diego, CA 92107-2925
Mailing Address4343 Niagara AveSan Diego, CA 92107-2925
Sole ProprietorYes
Enumeration DateAugust 28, 2023
NPPES CertifiedAugust 28, 2023
✔ NPI 1871378091 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95026076
4343 NIAGARA AVE, San Diego, CA 92107

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marie Cotton Vassiliadis is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Marie Vassiliadis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
15004 INNOVATION DR
San Diego, CA 92128
  • Reassigned Medicare billing, California enrollment

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 92107 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

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 Marie Vassiliadis's NPI number?

The NPI number for Marie Vassiliadis is 1871378091. It was assigned to this individual provider in the NPPES registry on August 28, 2023.

Where is Marie Vassiliadis located?

Marie Vassiliadis practices at 4343 Niagara Ave, San Diego, CA 92107. The listed phone number is (208) 599-4288.

What is Marie Vassiliadis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Marie Vassiliadis enrolled in Medicare?

Yes. Marie Vassiliadis is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marie Vassiliadis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marie Vassiliadis reassigns Medicare benefits to (San Diego, CA). 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 Marie Vassiliadis'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 Marie Vassiliadis was last updated on August 28, 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.