ALWIN SOMASUNDARAM
NPI 1144857624
Anesthesiology in Hyannis, MA
About Alwin Somasundaram NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALWIN SOMASUNDARAM (NPI 1144857624) is an individual anesthesiology provider in Hyannis, Massachusetts, licensed in Massachusetts (1014712) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Cape Cod Hospital, and maintains a secondary practice location in Newton.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Alwin Somasundaram 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 Alwin Somasundaram reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 75 clinicians in this Medicare group
Fairhaven, MA 02719
- Reassigned Medicare billing, Massachusetts enrollment
- 1,144 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 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cape Cod Hospital
Acute Care Hospitals · Hyannis, MASouthcoast Hospitals Group
Acute Care Hospitals · Fall River, MAFalmouth Hospital
Acute Care Hospitals · Falmouth, MAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Alwin Somasundaram's NPI number?
The NPI number for Alwin Somasundaram is 1144857624. It was assigned to this individual provider in the NPPES registry on March 25, 2020.
Where is Alwin Somasundaram located?
Alwin Somasundaram practices at 27 Park St, Hyannis, MA 02601. The listed phone number is (508) 771-1800.
What is Alwin Somasundaram's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Alwin Somasundaram enrolled in Medicare?
Yes. Alwin Somasundaram 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 Alwin Somasundaram's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alwin Somasundaram reassigns Medicare benefits to 2 organizations: Cape Cod Anesthesia Associates, Inc. (Hyannis, MA) and Southcoast Physicians Group, Inc. (Fairhaven, 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 Alwin Somasundaram's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alwin Somasundaram affiliated with any hospitals?
According to CMS data, Alwin Somasundaram is affiliated with Cape Cod Hospital, Southcoast Hospitals Group and Falmouth Hospital.
When was this NPI record last updated?
The NPPES record for Alwin Somasundaram was last updated on June 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Alwin Somasundaram · NPI 1144857624
Anesthesiology physician in Hyannis, Massachusetts. Individual provider, active in the CMS NPPES registry since March 25, 2020.
## Identity
- **NPI:** 1144857624 (Entity type: Individual)
- **Enumerated:** March 25, 2020
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 1014712 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 27 PARK ST, Hyannis, MA 02601-5230
- **Phone:** (508) 771-1800
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Cape Cod Anesthesia Associates, Inc. (NPI 1659308021, Hyannis, MA); Southcoast Physicians Group, Inc. (NPI 1861830143, Fairhaven, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 2020
## Record status
- **NPPES last updated:** June 4, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1144857624) · Data from the CMS NPPES public registry.