THARMALINGAM SIVENDRAN M.D.
NPI 1225038631
Specialist in Gettysburg, PA

Active since July 28, 2005PECOS Enrolled
455 S WASHINGTON ST, SUITE 24, GETTYSBURG, PA 17325(717) 359-9159(717) 359-7225 Get Directions Write a Review

NPPES record last updated: July 6, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Tharmalingam Sivendran M.d. NPPES

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

THARMALINGAM SIVENDRAN M.D. (NPI 1225038631) is an individual specialist in Gettysburg, Pennsylvania, licensed in Pennsylvania (MD022496) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225038631
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameTHARMALINGAM SIVENDRANCredential: M.D.
Location Address455 S WASHINGTON ST, SUITE 24Gettysburg, PA 17325-2516
Mailing Address455 S Washington St, Suite 24Gettysburg, PA 17325-2516 · (717) 359-9159 · Fax (717) 359-7225
Fax(717) 359-7225
Sole ProprietorNo
Enumeration DateJuly 28, 2005
Last NPPES UpdateJuly 6, 2010
✔ NPI 1225038631 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in PA · MD022496
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
455 S WASHINGTON ST, Gettysburg, PA 17325

Other Identifiers 1

Medicare UPINC30355PA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tharmalingam Sivendran M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Tharmalingam Sivendran reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ophthalmology
455 S WASHINGTON ST, SUITE 24
Gettysburg, PA 17325
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 5 clinicians in this Medicare group

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

Other Providers at the Same Location NPPES 12

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

Internal Medicine (Cardiovascular Disease)
455 S WASHINGTON ST, SUITE 22
GETTYSBURG, PA 17325
Specialist
455 S WASHINGTON ST, 16
GETTYSBURG, PA 17325
Clinic/Center (Urgent Care)
455 S WASHINGTON ST, STE 12
GETTYSBURG, PA 17325
Ophthalmology
455 S WASHINGTON ST, SUITE 24
GETTYSBURG, PA 17325
Physician Assistant
455 S WASHINGTON ST
GETTYSBURG, PA 17325
Advanced Practice Midwife
455 S WASHINGTON ST, SUITE 25
GETTYSBURG, PA 17325
Obstetrics & Gynecology (Maternal & Fetal Medicine)
455 S WASHINGTON ST
GETTYSBURG, PA 17325
Specialist
455 S WASHINGTON ST, STE 16
GETTYSBURG, PA 17325

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 Tharmalingam Sivendran's NPI number?

The NPI number for Tharmalingam Sivendran is 1225038631. It was assigned to this individual provider in the NPPES registry on July 28, 2005.

Where is Tharmalingam Sivendran located?

Tharmalingam Sivendran practices at 455 S Washington St Suite 24, Gettysburg, PA 17325. The listed phone number is (717) 359-9159.

What is Tharmalingam Sivendran's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Tharmalingam Sivendran enrolled in Medicare?

Yes. Tharmalingam Sivendran is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tharmalingam Sivendran's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tharmalingam Sivendran reassigns Medicare benefits to Gettysburg Ophthalmology Associates PC (Gettysburg, PA). The 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 Tharmalingam Sivendran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Tharmalingam Sivendran was last updated on July 6, 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.