DR. SIRI SHAM SUNDER SINGH KHALSA MD
NPI 1124723853
Student in an Organized Health Care Education/Training Program in Worcester, MA

Active since April 03, 2023PECOS EnrolledAccepts Medicare Assignment
55 LAKE AVE N, WORCESTER, MA 01655(508) 334-1000 Get Directions Write a Review

NPPES record last updated: April 3, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Siri Sham Sunder Singh Khalsa Md NPPES

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

DR. SIRI SHAM SUNDER SINGH KHALSA MD (NPI 1124723853) is an individual student in an organized health care education/training program in Worcester, Massachusetts and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS, is affiliated with Newton-wellesley Hospital, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1124723853
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameDR. SIRI SHAM SUNDER SINGH KHALSACredential: MD
Location Address55 LAKE AVE NWorcester, MA 01655-0002
Mailing Address55 Lake Ave NWorcester, MA 01655-0002 · (508) 334-1000
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateApril 3, 2023
NPPES CertifiedApril 3, 2023
✔ NPI 1124723853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
55 LAKE AVE N, Worcester, MA 01655

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Siri Sham Sunder Singh Khalsa 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 ID648624460
PECOS Enrollment IDI20260715001864
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 Siri Sham Sunder Khalsa reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
2014 WASHINGTON STREET
Newton, MA 02462
  • Reassigned Medicare billing, Massachusetts enrollment
  • 992 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.

Hospital Affiliations CMS Care Compare

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

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220101
Location2014 Washington StreetNewton, MA 02462 · Middlesex 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.

Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Nurse Practitioner
55 LAKE AVE N, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655
Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Physician Assistant
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine (Hematology & Oncology)
55 LAKE AVE N
WORCESTER, MA 01655
Anesthesiology
55 LAKE AVE N, ANESTHESIOLOGY
WORCESTER, MA 01655
Anesthesiology
55 LAKE AVE N
WORCESTER, MA 01655

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 Siri Sham Sunder Khalsa's NPI number?

The NPI number for Siri Sham Sunder Khalsa is 1124723853. It was assigned to this individual provider in the NPPES registry on April 3, 2023.

Where is Siri Sham Sunder Khalsa located?

Siri Sham Sunder Khalsa practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 334-1000.

What is Siri Sham Sunder Khalsa's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Siri Sham Sunder Khalsa enrolled in Medicare?

Yes. Siri Sham Sunder Khalsa 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.

Which organization bills Medicare for Siri Sham Sunder Khalsa's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Siri Sham Sunder Khalsa reassigns Medicare benefits to Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA). 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 Siri Sham Sunder Khalsa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Siri Sham Sunder Khalsa affiliated with any hospitals?

According to CMS data, Siri Sham Sunder Khalsa is affiliated with Newton-Wellesley Hospital.

When was this NPI record last updated?

The NPPES record for Siri Sham Sunder Khalsa was last updated on April 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.