DR. WILLIAM RUSSELL PHILLIPS JR. MD
NPI 1760628408
Internal Medicine in Boston, MA
About Dr. William Russell Phillips Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM RUSSELL PHILLIPS JR. MD (NPI 1760628408) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (237367) and active in the NPI registry since December 2008. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Medical Center, and is a graduate of Geisel School Of Medicine At Dartmouth (2008).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Dr. William Russell Phillips Jr. 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
5Medicare enrollment records show William Phillips reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1497151773 (Massachusetts)
- 1,006 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 2,579 clinicians in this Medicare group
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- 1,103 clinicians in this Medicare group
Brockton, MA 02301
- Reassigned Medicare billing, Massachusetts enrollment
- 173 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BOSTON, MA 02111
BOSTON, MA 02111
BOSTON, MA 02111
BOSTON, MA 02111
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 Phillips's NPI number?
The NPI number for William Phillips is 1760628408. It was assigned to this individual provider in the NPPES registry on December 31, 2008. The provider is also known as Dr. Rusty Phillips MD.
Where is William Phillips located?
William Phillips practices at 800 Washington St # 796, Boston, MA 02111. The listed phone number is (617) 636-5246.
What is William Phillips's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is William Phillips enrolled in Medicare?
Yes. William Phillips 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 William Phillips's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Phillips reassigns Medicare benefits to 5 organizations: Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Boston, MA), Beth Israel Deaconess Medical Center, Inc. (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Steward Medical Group, Inc (Watertown, MA) and Sound Physicians Of Massachusetts II 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 William Phillips's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Phillips accept?
Health plans from Taro Health list William Phillips 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 Phillips affiliated with any hospitals?
According to CMS data, William Phillips is affiliated with Beth Israel Deaconess Medical Center.
When was this NPI record last updated?
The NPPES record for William Phillips was last updated on December 31, 2008. 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.