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STEPHEN J. O'BRIEN, M.D. PLCC
NPI 1063722726
Orthopaedic Surgery in New York, NY

Active since October 15, 2010
535 E 70TH ST, NEW YORK, NY 10021(212) 606-1011(212) 472-8024 Get Directions Write a Review

NPPES record last updated: October 15, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Stephen J. O'brien, M.d. Plcc NPPES

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

STEPHEN J. O'BRIEN, M.D. PLCC (NPI 1063722726) is a healthcare organization registered as an orthopaedic surgery in New York, New York and active in the NPI registry since October 2010. The organization lists Stephen J O'brien, President, as its authorized official.

NPPES Registry Identity

NPI1063722726
Entity TypeOrganization
Primary Taxonomy207X00000X
Legal Business NameSTEPHEN J. O'BRIEN, M.D. PLCC
Location Address535 E 70TH STNew York, NY 10021-4823
Mailing Address535 E 70th StNew York, NY 10021-4823 · (212) 606-1011 · Fax (212) 472-8024
Phone(212) 606-1011
Fax(212) 472-8024
Organization SubpartNo
Authorized OfficialStephen J O'brienPresident · (212) 606-1011
Enumeration DateOctober 15, 2010
✔ NPI 1063722726 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in NY · 168755-1
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.
535 E 70TH ST, New York, NY 10021
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Other Identifiers 1

Medicare UPINA60157NY

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)

Stephen J. O'brien, M.d. Plcc 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 Stephen J. O'brien, M.D. Plcc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Stephen Obrien, ORTHOPAEDIC SURGEON
Orthopedic Surgery
NPI 1720002686
535 E 70TH ST
New York, NY 10021
(212) 606-1011
✔ PECOS✔ Accepts MedicareSame address

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 Stephen J. O'brien, M.D. Plcc's NPI number?

The NPI number for Stephen J. O'brien, M.D. Plcc is 1063722726. It was assigned to this organization in the NPPES registry on October 15, 2010.

Where is Stephen J. O'brien, M.D. Plcc located?

Stephen J. O'brien, M.D. Plcc is located at 535 E 70th St, New York, NY 10021. The listed phone number is (212) 606-1011.

What is Stephen J. O'brien, M.D. Plcc's specialty?

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

Is Stephen J. O'brien, M.D. Plcc enrolled in Medicare?

Yes. Stephen J. O'brien, M.D. Plcc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Stephen J. O'brien, M.D. Plcc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Orthopedic Surgery) reassigns their Medicare billing to Stephen J. O'brien, M.D. Plcc. 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 Stephen J. O'brien, M.D. Plcc was last updated on October 15, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.