WILLIAM CHARLES KRAUSS M.D.
NPI 1285830299
General Acute Care Hospital in Boston, MA
About William Charles Krauss M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM CHARLES KRAUSS M.D. (NPI 1285830299) is an individual general acute care hospital provider in Boston, Massachusetts, licensed in Massachusetts (221514) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William Charles Krauss M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Krauss reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lancaster, CA 93534
- Reassigned Medicare billing, California enrollment
- 13,921 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.
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 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Krauss's NPI number?
The NPI number for William Krauss is 1285830299. It was assigned to this individual provider in the NPPES registry on June 26, 2007.
Where is William Krauss located?
William Krauss practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-6660.
What is William Krauss's specialty?
The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.
Is William Krauss enrolled in Medicare?
Yes. William Krauss is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Krauss's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Krauss reassigns Medicare benefits to Southern California Permanente Medical Group (Lancaster, CA). 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 Krauss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Krauss was last updated on October 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.