WILLIAM C FAUST M.D.
NPI 1730342320
Urology in Burlington, MA
About William C Faust M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM C FAUST M.D. (NPI 1730342320) is an individual urology provider in Burlington, Massachusetts, licensed in Massachusetts (245424) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of Georgetown University School Of Medicine (2008).
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 C Faust M.d. 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
3Medicare enrollment records show William Faust reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- 477 clinicians in this Medicare group
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1063447316 (Massachusetts)
- 1,574 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 221 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 25
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Auburn Hospital
Acute Care Hospitals · Cambridge, MANortheast Hospital Corporation
Acute Care Hospitals · Beverly, MABeth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MAWinchester Hospital
Acute Care Hospitals · Winchester, MALahey Hospital & Medical Center, Burlington
Acute Care Hospitals · Burlington, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01805 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
BURLINGTON, MA 01805
BURLINGTON, MA 01805
BURLINGTON, MA 01805
BURLINGTON, MA 01805
BURLINGTON, MA 01805
BURLINGTON, MA 01805
BURLINGTON, MA 01805
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 Faust's NPI number?
The NPI number for William Faust is 1730342320. It was assigned to this individual provider in the NPPES registry on July 3, 2008.
Where is William Faust located?
William Faust practices at Lahey Hospital And Medical Center 41 Mall Road, Burlington, MA 01805. The listed phone number is (781) 744-8420.
What is William Faust's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is William Faust enrolled in Medicare?
Yes. William Faust 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 Faust's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Faust reassigns Medicare benefits to 3 organizations: Beth Israel Lahey Health Specialty Care, Inc. (Burlington, MA), Lahey Clinic, Inc. (Burlington, MA) and Winchester Physician Associates, Inc (Winchester, 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 Faust's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Faust accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list William Faust 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 Faust affiliated with any hospitals?
According to CMS data, William Faust is affiliated with Mount Auburn Hospital, Northeast Hospital Corporation, Beth Israel Deaconess Medical Center, Winchester Hospital and Lahey Hospital & Medical Center, Burlington.
When was this NPI record last updated?
The NPPES record for William Faust was last updated on January 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.