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PROFESSIONAL ORTHOPEDIC SURGERY PLLC
NPI 1477342483
Orthopaedic Surgery in Hempstead, NY

Active since May 05, 2025
352 FULTON AVE, HEMPSTEAD, NY 11550(516) 234-0614(516) 757-0509 Get Directions Write a Review

NPPES record last updated: March 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 17, 2026, May 5, 2025 (2 updates tracked since 2025).

About Professional Orthopedic Surgery Pllc NPPES

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

PROFESSIONAL ORTHOPEDIC SURGERY PLLC (NPI 1477342483) is a healthcare organization registered as an orthopaedic surgery in Hempstead, New York and active in the NPI registry since May 2025. The organization maintains a secondary practice location in Baldwin and lists Gus Katsigiorgis, Do/owner, as its authorized official.

NPPES Registry Identity

NPI1477342483
Entity TypeOrganization
Primary Taxonomy207X00000X
Legal Business NamePROFESSIONAL ORTHOPEDIC SURGERY PLLC
Location Address352 FULTON AVEHempstead, NY 11550-3941
Mailing Address352 Fulton AveHempstead, NY 11550-3941 · (516) 234-0614 · Fax (516) 757-0509
Phone(516) 234-0614
Fax(516) 757-0509
Organization SubpartNo
Authorized OfficialGus KatsigiorgisDo/owner · (516) 234-0614
Enumeration DateMay 5, 2025
Last NPPES UpdateMarch 17, 20262 updates tracked since enumeration
NPPES CertifiedMarch 17, 2026
✔ NPI 1477342483 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
352 FULTON AVE, Hempstead, NY 11550
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Secondary Practice Location 1

Location 12270 Grand AveBaldwin, NY 11510-3163 · Phone (516) 234-0614 · Fax (516) 757-0509

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Professional Orthopedic Surgery Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Professional Orthopedic Surgery PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Gus Katsigiorgis, DO
Orthopedic Surgery
NPI 1033105564
1512 BROADWAY
Hewlett, NY 11557
(516) 374-6838
✔ PECOS5.9 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Professional Orthopedic Surgery PLLC's NPI number?

The NPI number for Professional Orthopedic Surgery PLLC is 1477342483. It was assigned to this organization in the NPPES registry on May 5, 2025.

Where is Professional Orthopedic Surgery PLLC located?

Professional Orthopedic Surgery PLLC is located at 352 Fulton Ave, Hempstead, NY 11550. The listed phone number is (516) 234-0614.

What is Professional Orthopedic Surgery PLLC's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Professional Orthopedic Surgery PLLC enrolled in Medicare?

Yes. Professional Orthopedic Surgery PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Professional Orthopedic Surgery PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Orthopedic Surgery) reassigns their Medicare billing to Professional Orthopedic Surgery PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Professional Orthopedic Surgery PLLC was last updated on March 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.