DR. BAHAA ALI ELZEIN MD
NPI 1689294100
Internal Medicine in Dearborn, MI
About Dr. Bahaa Ali Elzein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BAHAA ALI ELZEIN MD (NPI 1689294100) is an individual internal medicine provider in Dearborn, Michigan, licensed in Michigan (4301509202) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Katherine Shaw Bethea Hospital, and is a graduate of Other (2019).
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
Dr. Bahaa Ali Elzein Md 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
14Medicare enrollment records show Bahaa Elzein reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dearborn, MI 48124
- Reassigned Medicare billing, Michigan enrollment
Dearborn Heights, MI 48127
- Reassigned Medicare billing, Michigan enrollment
- 31 clinicians in this Medicare group
Dearborn, MI 48126
- Reassigned Medicare billing, Michigan enrollment
- 30 clinicians in this Medicare group
Southfield, MI 48075
- Reassigned Medicare billing, Michigan enrollment
- 41 clinicians in this Medicare group
Oak Park, MI 48237
- Reassigned Medicare billing, Michigan enrollment
- 31 clinicians in this Medicare group
Warren, MI 48089
- Reassigned Medicare billing, Michigan enrollment
- 60 clinicians in this Medicare group
Port Huron, MI 48060
- Reassigned Medicare billing, Michigan enrollment
- 26 clinicians in this Medicare group
Kalamazoo, MI 49048
- Reassigned Medicare billing, Michigan enrollment
- 596 clinicians in this Medicare group
Logan, WV 25601
- Reassigned Medicare billing, West Virginia enrollment
- 113 clinicians in this Medicare group
Bloomington, IL 61701
- Reassigned Medicare billing, Illinois enrollment
- 329 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 4
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Katherine Shaw Bethea Hospital
Acute Care Hospitals · Dixon, ILPromedica Charles And Virginia Hickman Hospital
Acute Care Hospitals · Adrian, MISamaritan Hospital
Acute Care Hospitals · Moses Lake, WARaleigh General Hospital
Acute Care Hospitals · Beckley, WVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48124 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
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
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 Bahaa Elzein's NPI number?
The NPI number for Bahaa Elzein is 1689294100. It was assigned to this individual provider in the NPPES registry on April 24, 2020.
Where is Bahaa Elzein located?
Bahaa Elzein practices at 23810 Michigan Ave Ste 102, Dearborn, MI 48124. The listed phone number is (313) 944-1111.
What is Bahaa Elzein's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Bahaa Elzein enrolled in Medicare?
Yes. Bahaa Elzein 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.
What insurance does Bahaa Elzein accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Bahaa Elzein 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 Bahaa Elzein affiliated with any hospitals?
According to CMS data, Bahaa Elzein is affiliated with Katherine Shaw Bethea Hospital, Promedica Charles And Virginia Hickman Hospital, Samaritan Hospital and Raleigh General Hospital.
When was this NPI record last updated?
The NPPES record for Bahaa Elzein was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Dr. Bahaa Ali Elzein, MD · NPI 1689294100
Internal Medicine physician in Dearborn, Michigan. Individual provider, active in the CMS NPPES registry since April 24, 2020.
## Identity
- **NPI:** 1689294100 (Entity type: Individual)
- **Enumerated:** April 24, 2020
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 4301509202 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 23810 MICHIGAN AVE STE 102, Dearborn, MI 48124-1830
- **Phone:** (313) 944-1111 · **Fax:** (866) 538-9631
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** August 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1689294100) · Data from the CMS NPPES public registry.