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SOMASUNDARAM THIAGARAJAH M.D.
NPI 1992865174
Anesthesiology in New York, NY

Active since December 11, 2006PECOS Enrolled
1ST AVENUE AT 16TH ST, NEW YORK, NY 10003(212) 420-2385(212) 420-2364 Get Directions Write a Review

NPPES record last updated: September 21, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Somasundaram Thiagarajah M.d. NPPES

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

SOMASUNDARAM THIAGARAJAH M.D. (NPI 1992865174) is an individual anesthesiology provider in New York, New York, licensed in New York (133008) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1992865174
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameSOMASUNDARAM THIAGARAJAHCredential: M.D.
Location Address1ST AVENUE AT 16TH STNew York, NY 10003
Mailing AddressPo Box 270Massapequa Park, NY 11762-0270 · (631) 264-2035
Phone(212) 420-2385
Fax(212) 420-2364
Sole ProprietorNo
Enumeration DateDecember 11, 2006
Last NPPES UpdateSeptember 21, 2007
✔ NPI 1992865174 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NY · 133008
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1ST AVENUE AT 16TH ST, New York, NY 10003
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Other Identifiers 3

Medicare UPINB59838
Medicaid00257736NY
Medicare PIN329962NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Somasundaram Thiagarajah 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 Somasundaram Thiagarajah reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

York Anesthesiologists PLLC
Same address
Anesthesiology
1ST AVENUE AT 16TH ST, BETH ISRAEL MEDICAL CENTER/PETRIE DIVISION
New York, NY 10003
  • Reassigned Medicare billing, New York enrollment
  • 94 clinicians in this Medicare group
NPI 1508947441 (212) 420-2385

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
47 services47 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
37 services36 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
18 services18 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
13 services13 patients

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.

VINCENT COBBLAH M.D.
Anesthesiology
1ST AVENUE AT 16TH ST
NEW YORK, NY 10003
New York County (212) 420-2385
CHUN K OH M.D.
Anesthesiology
1ST AVENUE AT 16TH ST
NEW YORK, NY 10003
New York County (212) 420-2385
GABOR NEMESDY M.D.
Anesthesiology
1ST AVENUE AT 16TH ST
NEW YORK, NY 10003
New York County (212) 420-2385
RONALD D DAMICO MD
Internal Medicine (Infectious Disease)
1ST AVENUE AT 16TH ST
NEW YORK, NY 10003
New York County (212) 420-4145
MICHAEL BRADY M.D.
Anesthesiology
1ST AVENUE AT 16TH ST
NEW YORK, NY 10003
New York County (212) 420-2385
RAMDAS ALAGESAN M.D.
Anesthesiology
1ST AVENUE AT 16TH ST, BETH ISRAEL MEDICALCENTER/PETRIE DIVISION
NEW YORK, NY 10003
New York County (212) 420-2385
DEEPA KARAMBELKAR M.D.
Anesthesiology
1ST AVENUE AT 16TH ST
NEW YORK, NY 10003
New York County (212) 420-2385
JAMES CIPOLLA D.O.
Anesthesiology
1ST AVENUE AT 16TH ST
NEW YORK, NY 10003
New York County (212) 420-2385

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 Somasundaram Thiagarajah's NPI number?

The NPI number for Somasundaram Thiagarajah is 1992865174. It was assigned to this individual provider in the NPPES registry on December 11, 2006.

Where is Somasundaram Thiagarajah located?

Somasundaram Thiagarajah practices at 1st Avenue At 16th St, New York, NY 10003. The listed phone number is (212) 420-2385.

What is Somasundaram Thiagarajah's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Somasundaram Thiagarajah enrolled in Medicare?

Yes. Somasundaram Thiagarajah is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Somasundaram Thiagarajah's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Somasundaram Thiagarajah reassigns Medicare benefits to York Anesthesiologists PLLC (New York, NY). 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 Somasundaram Thiagarajah'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 Somasundaram Thiagarajah was last updated on September 21, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.