NICHOLAS MARKOPOULOS
NPI 1427815646
Portable X-ray and/or Other Portable Diagnostic Imaging Supplier in St Petersburg, FL

Q: What is Nicholas Markopoulos's NPI number?

The NPI number for Nicholas Markopoulos is 1427815646. It was assigned to this individual provider in the NPPES registry on March 4, 2024.

Q: What is Nicholas Markopoulos's specialty?

The primary specialty registered for this NPI is Portable X-ray and/or Other Portable Diagnostic Imaging Supplier with taxonomy code 335V00000X.

Active since March 04, 2024

5811 VENETIAN BLVD NE, ST PETERSBURG, FL 33703(727) 655-8577 Get Directions Write a Review

NPPES record last updated: September 13, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 13, 2025, Mar 4, 2024 (2 updates tracked since 2024).

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About Nicholas Markopoulos NPPES

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

NICHOLAS MARKOPOULOS (NPI 1427815646) is an individual portable x-ray and/or other portable diagnostic imaging supplier provider in St Petersburg, Florida and active in the NPI registry since March 2024.

NPPES Registry Identity

NPI1427815646

Entity TypeIndividualMale

Primary Taxonomy335V00000X

Provider Legal NameNICHOLAS MARKOPOULOS

Location Address5811 VENETIAN BLVD NESt Petersburg, FL 33703-1843

Mailing Address5811 Venetian Blvd NeSt Petersburg, FL 33703-1843 · (727) 655-8577

Phone(727) 655-8577

Sole ProprietorYes

Enumeration DateMarch 4, 2024

Last NPPES UpdateSeptember 13, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 13, 2025

✔ NPI 1427815646 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPortable X-ray and/or Other Portable Diagnostic Imaging SupplierSuppliers

Taxonomy Code335V00000X

Definition

A supplier that provides one or more of the following portable services, including but not limited to, x-ray, electrocardiogram (EKG), long-term EKG (Holter Monitor), bone densitometry, sonography, and other imaging services in accordance with all state and federal requirements, under the general supervision of a qualified physician. All necessary resources are transported to the patient's location where the services are performed.

5811 VENETIAN BLVD NE, St Petersburg, FL 33703

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Other Providers at the Same Location NPPES

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

XR MOBILE LLC

Portable X-ray and/or Other Portable Diagnostic Imaging Supplier

5811 VENETIAN BLVD NE
ST PETERSBURG, FL 33703

Pinellas County (727) 655-8577

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 Nicholas Markopoulos's NPI number?

The NPI number for Nicholas Markopoulos is 1427815646. It was assigned to this individual provider in the NPPES registry on March 4, 2024.

Where is Nicholas Markopoulos located?

Nicholas Markopoulos practices at 5811 Venetian Blvd NE, St Petersburg, FL 33703. The listed phone number is (727) 655-8577.

What is Nicholas Markopoulos's specialty?

The primary specialty registered for this NPI is Portable X-ray and/or Other Portable Diagnostic Imaging Supplier with taxonomy code 335V00000X.

When was this NPI record last updated?

The NPPES record for Nicholas Markopoulos was last updated on September 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.