WILLIAM R BLAIR D.O.
NPI 1629428644
Family Medicine in Swansea, MA
About William R Blair D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM R BLAIR D.O. (NPI 1629428644) is an individual family medicine provider in Swansea, Massachusetts, licensed in Massachusetts (279139) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Saint Anne's Hospital, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
William R Blair D.o. 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 Reassignment
Medicare enrollment records show William Blair reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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 17
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Anne's Hospital
Acute Care Hospitals · Fall River, MASouthcoast Hospitals Group
Acute Care Hospitals · Fall River, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02777 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 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 William Blair's NPI number?
The NPI number for William Blair is 1629428644. It was assigned to this individual provider in the NPPES registry on June 21, 2016.
Where is William Blair located?
William Blair practices at 479 Swansea Mall Dr, Swansea, MA 02777. The listed phone number is (508) 973-1570.
What is William Blair's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is William Blair enrolled in Medicare?
Yes. William Blair 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 William Blair's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Blair reassigns Medicare benefits to Southcoast Physicians Group, Inc. (Fairhaven, 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 William Blair's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Blair accept?
Health plans from Anthem Blue Cross and Blue Shield list William Blair as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Blair affiliated with any hospitals?
According to CMS data, William Blair is affiliated with Saint Anne's Hospital and Southcoast Hospitals Group.
When was this NPI record last updated?
The NPPES record for William Blair was last updated on October 18, 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.