DR. DEBBIE HAYMOWATTEE HALLAK DO
NPI 1154493971
Internal Medicine in Charlotte, MI
About Dr. Debbie Haymowattee Hallak Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DEBBIE HAYMOWATTEE HALLAK DO (NPI 1154493971) is an individual internal medicine provider in Charlotte, Michigan, licensed in Michigan (510101200) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with Edward W Sparrow Hospital, and is a graduate of Kansas City University Of Med & Biosciences, College Of Osteo Med (1993).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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. Debbie Haymowattee Hallak 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
6Medicare enrollment records show Debbie Hallak reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Charlotte, MI 48813
- Reassigned Medicare billing, Michigan enrollment
- 137 clinicians in this Medicare group
Lansing, MI 48917
- Reassigned Medicare billing, Michigan enrollment
- 916 clinicians in this Medicare group
Lansing, MI 48912
- Reassigned Medicare billing, Michigan enrollment
- 104 clinicians in this Medicare group
Lansing, MI 48912
- Reassigned Medicare billing, Michigan enrollment
- 115 clinicians in this Medicare group
Portland, MI 48875
- Reassigned Medicare billing, Michigan enrollment
- 317 clinicians in this Medicare group
Saint Johns, MI 48879
- Reassigned Medicare billing, Michigan enrollment
- 114 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 11
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Edward W Sparrow Hospital
Acute Care Hospitals · Lansing, MIEaton Rapids Medical Center
Critical Access Hospitals · Eaton Rapids, MISparrow Eaton Hospital
Critical Access Hospitals · Charlotte, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48813 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Debbie Hallak's NPI number?
The NPI number for Debbie Hallak is 1154493971. It was assigned to this individual provider in the NPPES registry on November 15, 2006.
Where is Debbie Hallak located?
Debbie Hallak practices at 616 Meijer St, Charlotte, MI 48813. The listed phone number is (517) 543-7800.
What is Debbie Hallak's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Debbie Hallak enrolled in Medicare?
Yes. Debbie Hallak 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 Debbie Hallak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Debbie Hallak reassigns Medicare benefits to 6 organizations: Sparrow Eaton Hospital (Charlotte, MI), Edward W. Sparrow Hospital Association (Lansing, MI), Sparrow Specialty Hospital (Lansing, MI), Vituity - Michigan Hospitalists PC (Lansing, MI), Sparrow Ionia Hospital (Portland, MI) and 1 more organization, listed in the Medicare section above. 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 Debbie Hallak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Debbie Hallak accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Debbie Hallak 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 Debbie Hallak affiliated with any hospitals?
According to CMS data, Debbie Hallak is affiliated with Edward W Sparrow Hospital, Eaton Rapids Medical Center and Sparrow Eaton Hospital.
When was this NPI record last updated?
The NPPES record for Debbie Hallak was last updated on October 11, 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.