1. Home
  2. Directory
  3. New York
  4. Harrison
  5. Orthopaedic Surgery
  6. NPI Profile

ORTHOPAEDIC & NEUROSURGERY SPECIALISTS, PLLC
NPI 1881105872
Orthopaedic Surgery in Harrison, NY

Active since October 17, 2017
500 MAMARONECK AVE, HARRISON, NY 10528(203) 869-1145(203) 618-1721 Get Directions Write a Review

NPPES record last updated: September 19, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 19, 2025, Aug 2, 2019, Oct 17, 2017 (3 updates tracked since 2017).

About Orthopaedic & Neurosurgery Specialists, Pllc NPPES

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

ORTHOPAEDIC & NEUROSURGERY SPECIALISTS, PLLC (NPI 1881105872) is a healthcare organization registered as an orthopaedic surgery in Harrison, New York and active in the NPI registry since October 2017. The organization lists Seth Miller, President, as its authorized official.

NPPES Registry Identity

NPI1881105872
Entity TypeOrganization
Primary Taxonomy207X00000X
Legal Business NameORTHOPAEDIC & NEUROSURGERY SPECIALISTS, PLLC
Location Address500 MAMARONECK AVEHarrison, NY 10528-1633
Mailing Address6 Greenwich Office ParkGreenwich, CT 06831-5151 · (203) 869-1145 · Fax (203) 618-1721
Phone(203) 869-1145
Fax(203) 618-1721
Organization SubpartNo
Authorized OfficialSeth MillerPresident · (203) 869-1145
Enumeration DateOctober 17, 2017
Last NPPES UpdateSeptember 19, 20253 updates tracked since enumeration
✔ NPI 1881105872 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.
500 MAMARONECK AVE, Harrison, NY 10528
Open in Google Maps ↗

Other Identifiers 1

OtherA100176834NY · Medicare

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and revalidation status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Orthopaedic & Neurosurgery Specialists, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateNew YorkEnrollment IDO20171027001176DME · Physician - Orthopedic/Orthopedic SurgeryDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Other Providers at the Same Location NPPES 9

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

SLEEPING BEAUTY OPERATORY, L.L.C.
Clinic/Center (Ambulatory Surgical)
500 MAMARONECK AVE, SUITE 211
HARRISON, NY 10528
Westchester County (914) 771-7373
PLASTIC SURGERY OF WESTCHESTER
Plastic Surgery
500 MAMARONECK AVE, SUITE 211
HARRISON, NY 10528
Westchester County (914) 771-7373
MRS. BRIANNA VIXAMA NP
Nurse Practitioner (Family)
500 MAMARONECK AVE
HARRISON, NY 10528
Westchester County (914) 771-7373
DR. MARC LOUIS OTTEN M.D.
Neurological Surgery
500 MAMARONECK AVE
HARRISON, NY 10528
Westchester County (203) 869-1145
ILYSE SCHAPIRO MS RDN
Dietitian, Registered
500 MAMARONECK AVE
HARRISON, NY 10528
Westchester County (917) 751-8020
DR. ELISE MARIE WALENT PT, DPT
Physical Therapist
500 MAMARONECK AVE
HARRISON, NY 10528
Westchester County (585) 236-0078
WESTCHESTER PLASTIC SURGERY PLLC
Surgery (Plastic and Reconstructive Surgery)
500 MAMARONECK AVE, SUITE 211
HARRISON, NY 10528
Westchester County (914) 771-7373
KAITLYN MUELLER SMITH PT, DPT
Physical Therapist
500 MAMARONECK AVE
HARRISON, NY 10528
Westchester County (203) 869-1145

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 Orthopaedic & Neurosurgery Specialists, PLLC's NPI number?

The NPI number for Orthopaedic & Neurosurgery Specialists, PLLC is 1881105872. It was assigned to this organization in the NPPES registry on October 17, 2017.

Where is Orthopaedic & Neurosurgery Specialists, PLLC located?

Orthopaedic & Neurosurgery Specialists, PLLC is located at 500 Mamaroneck Ave, Harrison, NY 10528. The listed phone number is (203) 869-1145.

What is Orthopaedic & Neurosurgery Specialists, PLLC's specialty?

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

Is Orthopaedic & Neurosurgery Specialists, PLLC enrolled in Medicare?

Yes. Orthopaedic & Neurosurgery Specialists, PLLC is registered in the Medicare PECOS enrollment system.

When is Orthopaedic & Neurosurgery Specialists, PLLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare DME enrollment for this organization (New York, Physician - Orthopedic/Orthopedic Surgery) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

When was this NPI record last updated?

The NPPES record for Orthopaedic & Neurosurgery Specialists, PLLC was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.