THOMAS JASON O'BRIEN PA
NPI 1659636454
Physician Assistant - Surgical in Mineola, NY

Active since July 08, 2012PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: July 8, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Thomas Jason O'brien Pa NPPES

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

THOMAS JASON O'BRIEN PA (NPI 1659636454) is an individual surgical provider in Mineola, New York, licensed in New York (015697) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, is affiliated with Peconic Bay Medical Center, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1659636454
Entity TypeIndividualMale
Primary Taxonomy363AS0400X
Provider Legal NameTHOMAS JASON O'BRIENCredential: PA
Location Address259 1ST STMineola, NY 11501-3957
Mailing Address259 1st StMineola, NY 11501-3957 · (516) 663-9494
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateJuly 8, 2012
NPI 1659636454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AS0400X
License Licensed in NY · 015697
259 1ST ST, Mineola, NY 11501

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Thomas Jason O'brien Pa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4183868722
PECOS Enrollment IDI20131118000628
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Peconic Bay Medical Center

Acute Care Hospitals · Riverhead, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330107
Location1 Heros WayRiverhead, NY 11901 · Suffolk County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

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

Anesthesiology
259 1ST ST
MINEOLA, NY 11501
Physician Assistant (Medical)
259 1ST ST
MINEOLA, NY 11501
Student in an Organized Health Care Education/Training Program
259 1ST ST
MINEOLA, NY 11501
Student in an Organized Health Care Education/Training Program
259 1ST ST
MINEOLA, NY 11501
Student in an Organized Health Care Education/Training Program
259 1ST ST
MINEOLA, NY 11501
Pediatrics (Neonatal-Perinatal Medicine)
259 1ST ST
MINEOLA, NY 11501
Anesthesiology
259 1ST ST
MINEOLA, NY 11501
Pediatrics (Pediatric Emergency Medicine)
259 1ST ST
MINEOLA, NY 11501

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 Thomas O'brien's NPI number?

The NPI number for Thomas O'brien is 1659636454. It was assigned to this individual provider in the NPPES registry on July 8, 2012.

Where is Thomas O'brien located?

Thomas O'brien practices at 259 1st St, Mineola, NY 11501. The listed phone number is (516) 663-9494.

What is Thomas O'brien's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Thomas O'brien enrolled in Medicare?

Yes. Thomas O'brien is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Thomas O'brien affiliated with any hospitals?

According to CMS data, Thomas O'brien is affiliated with Peconic Bay Medical Center.

When was this NPI record last updated?

The NPPES record for Thomas O'brien was last updated on July 8, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.