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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NIKOLAS MARIOS STATHOPOULOS D.D.S
NPI 1144594441
Dentist - General Practice in San Ramon, CA

Active since March 04, 2012PECOS Enrolled
2355 SAN RAMON VALLEY BLVD STE 103, SAN RAMON, CA 94583(925) 718-8483 Get Directions Write a Review

NPPES record last updated: September 30, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Nikolas Marios Stathopoulos D.d.s NPPES

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

NIKOLAS MARIOS STATHOPOULOS D.D.S (NPI 1144594441) is an individual general practice provider in San Ramon, California, licensed in California (52005) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144594441
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameNIKOLAS MARIOS STATHOPOULOSCredential: D.D.S
Location Address2355 SAN RAMON VALLEY BLVD STE 103San Ramon, CA 94583-1597
Mailing Address2355 San Ramon Valley Blvd Ste 103San Ramon, CA 94583-1597 · (925) 718-8483
Phone(925) 718-8483
Sole ProprietorNo
Enumeration DateMarch 4, 2012
Last NPPES UpdateSeptember 30, 2026
NPPES CertifiedSeptember 30, 2026
✔ NPI 1144594441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in CA · 52005
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
2355 SAN RAMON VALLEY BLVD STE 103, San Ramon, CA 94583
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nikolas Marios Stathopoulos D.d.s 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 Nikolas Stathopoulos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Maria T Alarcon DDS Dental Corporation
11 mi
Dental
19682 HESPERIAN BLVD, SECOND FLOOR SUITE #208
Hayward, CA 94541
  • Reassigned Medicare billing, California enrollment
  • 11 clinicians in this Medicare group
NPI 1467955369 (510) 253-2350

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 94583 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NIKOLAS M STATHOPOULOS DDS INC
Dentist (General Practice)
2355 SAN RAMON VALLEY BLVD STE 103
SAN RAMON, CA 94583
Contra Costa County (925) 718-8483

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 Nikolas Stathopoulos's NPI number?

The NPI number for Nikolas Stathopoulos is 1144594441. It was assigned to this individual provider in the NPPES registry on March 4, 2012.

Where is Nikolas Stathopoulos located?

Nikolas Stathopoulos practices at 2355 San Ramon Valley Blvd Ste 103, San Ramon, CA 94583. The listed phone number is (925) 718-8483.

What is Nikolas Stathopoulos's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Nikolas Stathopoulos enrolled in Medicare?

Yes. Nikolas Stathopoulos is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nikolas Stathopoulos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nikolas Stathopoulos reassigns Medicare benefits to Maria T Alarcon DDS Dental Corporation (Hayward, 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 Nikolas Stathopoulos'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 Nikolas Stathopoulos was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.