WILLIAM BIROL HALACOGLU DO
NPI 1407898737
Emergency Medicine in Mt Clemens, MI
About William Birol Halacoglu Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM BIROL HALACOGLU DO (NPI 1407898737) is an individual emergency medicine provider in Mt Clemens, Michigan, licensed in Nevada (DO2280) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Mclaren Macomb, and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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 Birol Halacoglu Do 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 Halacoglu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Clemens, MI 48043
- Reassigned Medicare billing, Michigan enrollment
- 26 clinicians in this Medicare group
Mount Clemens, MI 48043
- Reassigned Medicare billing, Michigan enrollment
- 32 clinicians in this Medicare group
Henderson, NV 89015
- Reassigned Medicare billing, Nevada enrollment
- 100 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 3
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.
Mclaren Macomb
Acute Care Hospitals · Mount Clemens, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48043 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.
MT CLEMENS, MI 48043
MOUNT CLEMENS, MI 48043
MOUNT CLEMENS, MI 48043
MT CLEMENS, MI 48043
MT CLEMENS, MI 48043
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 Halacoglu's NPI number?
The NPI number for William Halacoglu is 1407898737. It was assigned to this individual provider in the NPPES registry on June 12, 2006.
Where is William Halacoglu located?
William Halacoglu practices at 1000 Harrington Blvd, Mt Clemens, MI 48043. The listed phone number is (586) 493-8000.
What is William Halacoglu's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Halacoglu enrolled in Medicare?
Yes. William Halacoglu 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 Halacoglu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Halacoglu reassigns Medicare benefits to 3 organizations: Macomb Emergency Physicians PLLC (Mount Clemens, MI), Observation Physicians Of Macomb PLLC (Mount Clemens, MI) and Vituity-Nevada Medical Services Koury & Partners PC (Henderson, NV). 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 Halacoglu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Halacoglu affiliated with any hospitals?
According to CMS data, William Halacoglu is affiliated with Mclaren Macomb.
When was this NPI record last updated?
The NPPES record for William Halacoglu was last updated on June 6, 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.