WILLIAM S BLOOM DDS
NPI 1215950100
Oral & Maxillofacial Surgery in Warren, MI
About William S Bloom Dds NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM S BLOOM DDS (NPI 1215950100) is an individual oral & maxillofacial surgery provider in Warren, Michigan, licensed in Michigan (2901010395) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William S Bloom Dds is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Bloom reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Warren, MI 48093
- Reassigned Medicare billing, Michigan enrollment
- 161 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 2
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.
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.
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 Bloom's NPI number?
The NPI number for William Bloom is 1215950100. It was assigned to this individual provider in the NPPES registry on July 25, 2006.
Where is William Bloom located?
William Bloom practices at 11300 East Thirteen Mile Road, Warren, MI 48093. The listed phone number is (586) 573-7777.
What is William Bloom's specialty?
The primary specialty registered for this NPI is Oral & Maxillofacial Surgery with taxonomy code 204E00000X.
Is William Bloom enrolled in Medicare?
Yes. William Bloom is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Bloom's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Bloom reassigns Medicare benefits to Henry Ford Health Macomb-Oakland Hospital (Warren, MI). 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 Bloom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Bloom accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Blue Cross and Blue Shield of Montana and 8 other insurers list William Bloom 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.
When was this NPI record last updated?
The NPPES record for William Bloom was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.