ALLA R SARKISYAN MD
NPI 1326037508
Internal Medicine in Groton, MA
About Alla R Sarkisyan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLA R SARKISYAN MD (NPI 1326037508) is an individual internal medicine provider in Groton, Massachusetts, licensed in Massachusetts (2084666) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and is a graduate of Other (1978).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Alla R Sarkisyan 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.
Medicare Billing Reassignments
2Medicare enrollment records show Alla Sarkisyan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- 1,103 clinicians in this Medicare group
Brockton, MA 02301
- Reassigned Medicare billing, Massachusetts enrollment
- 264 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.
Areas of Expertise CMS Part B claims 11
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umass Memorial Healthalliance Hospitals
Acute Care Hospitals · Leominster, MAEmerson Hospital -
Acute Care Hospitals · W Concord, MALahey Hospital & Medical Center, Burlington
Acute Care Hospitals · Burlington, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01450 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Alla Sarkisyan's NPI number?
The NPI number for Alla Sarkisyan is 1326037508. It was assigned to this individual provider in the NPPES registry on October 19, 2005.
Where is Alla Sarkisyan located?
Alla Sarkisyan practices at 497 Main Street 4B, Groton, MA 01450. The listed phone number is (978) 449-0471.
What is Alla Sarkisyan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Alla Sarkisyan enrolled in Medicare?
Yes. Alla Sarkisyan 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 organizations bill Medicare for Alla Sarkisyan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alla Sarkisyan reassigns Medicare benefits to 2 organizations: Steward Medical Group, Inc (Watertown, MA) and Revere Medical Of Massachusetts, PC (Brockton, MA). Each 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 Alla Sarkisyan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alla Sarkisyan affiliated with any hospitals?
According to CMS data, Alla Sarkisyan is affiliated with Umass Memorial Healthalliance Hospitals, Emerson Hospital - and Lahey Hospital & Medical Center, Burlington.
When was this NPI record last updated?
The NPPES record for Alla Sarkisyan was last updated on March 4, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.