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MARK JEYASEELAN AMIRTHARAJ MD
NPI 1376037895
Orthopaedic Surgery in White Plains, NY

Active since June 18, 2018PECOS EnrolledAccepts Medicare Assignment
1133 WESTCHESTE AVE, WHITE PLAINS, NY 10605(212) 606-1000 Get Directions Write a Review

NPPES record last updated: July 15, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mark Jeyaseelan Amirtharaj Md NPPES

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

MARK JEYASEELAN AMIRTHARAJ MD (NPI 1376037895) is an individual orthopaedic surgery provider in White Plains, New York, licensed in New York (321558) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Hospital For Special Surgery, and is a graduate of Georgetown University School Of Medicine (2018).

NPPES Registry Identity

NPI1376037895
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameMARK JEYASEELAN AMIRTHARAJCredential: MD
Location Address1133 WESTCHESTE AVEWhite Plains, NY 10605
Mailing Address985640 Nebraska Medical CtrOmaha, NE 68198-5640
Phone(212) 606-1000
Sole ProprietorYes
Medical School CMSGeorgetown University School Of MedicineGraduated 2018
Enumeration DateJune 18, 2018
Last NPPES UpdateJuly 15, 2025
NPPES CertifiedJuly 2, 2025
✔ NPI 1376037895 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses✔ Licensed in NY · 321558✔ Licensed in NE · 8327
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.
1133 WESTCHESTE AVE, White Plains, NY 10605
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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

Mark Jeyaseelan Amirtharaj Md 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 ID4082965462
PECOS Enrollment IDI20250614000142, I20250614000154
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.

Hospital For Special Surgery

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330270
Location535 East 70th StreetNew York, NY 10021 · New York County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10605 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Mark Amirtharaj's NPI number?

The NPI number for Mark Amirtharaj is 1376037895. It was assigned to this individual provider in the NPPES registry on June 18, 2018.

Where is Mark Amirtharaj located?

Mark Amirtharaj practices at 1133 Westcheste Ave, White Plains, NY 10605. The listed phone number is (212) 606-1000.

What is Mark Amirtharaj's specialty?

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

Is Mark Amirtharaj enrolled in Medicare?

Yes. Mark Amirtharaj 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 Mark Amirtharaj affiliated with any hospitals?

According to CMS data, Mark Amirtharaj is affiliated with Hospital For Special Surgery.

When was this NPI record last updated?

The NPPES record for Mark Amirtharaj was last updated on July 15, 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.