MARWA AYYASH
NPI 1689203523
Emergency Medicine in Dearborn, MI
About Marwa Ayyash NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARWA AYYASH (NPI 1689203523) is an individual emergency medicine provider in Dearborn, Michigan, licensed in Michigan (4301510539) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Garden City Hospital, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 5
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
Marwa Ayyash 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 Marwa Ayyash reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Garden City, MI 48135
- Reassigned Medicare billing, Michigan enrollment
- 83 clinicians in this Medicare group
Detroit, MI 48202
- Reassigned Medicare billing, Michigan enrollment
- 1,886 clinicians in this Medicare group
Royal Oak, MI 48073
- Reassigned Medicare billing, Michigan enrollment
- 946 clinicians in this Medicare group
Adrian, MI 49221
- Reassigned Medicare billing, Michigan enrollment
- 95 clinicians in this Medicare group
Columbus, OH 43215
- Reassigned Medicare billing, Ohio enrollment
- 474 clinicians in this Medicare group
- Reassigned Medicare billing, Ohio enrollment
- 179 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Garden City Hospital
Acute Care Hospitals · Garden City, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48126 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
DEARBORN, MI 48126
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 Marwa Ayyash's NPI number?
The NPI number for Marwa Ayyash is 1689203523. It was assigned to this individual provider in the NPPES registry on April 3, 2020.
Where is Marwa Ayyash located?
Marwa Ayyash practices at 19401 Hubbard Dr, Dearborn, MI 48126. The listed phone number is (313) 982-8172.
What is Marwa Ayyash's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Marwa Ayyash enrolled in Medicare?
Yes. Marwa Ayyash 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 Marwa Ayyash's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marwa Ayyash reassigns Medicare benefits to 6 organizations: Ihp Mi Emergency Medicine PLLC (Garden City, MI), Henry Ford Health System (Detroit, MI), Beaumont Medical Group Hospital -Based Services (Royal Oak, MI), Sound Physicians Emergency Medicine Of Michigan, PLLC (Adrian, MI), Ohio Emergency Professionals Inc (Columbus, OH) 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 Marwa Ayyash's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marwa Ayyash accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Marwa Ayyash 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 Marwa Ayyash affiliated with any hospitals?
According to CMS data, Marwa Ayyash is affiliated with Garden City Hospital.
When was this NPI record last updated?
The NPPES record for Marwa Ayyash was last updated on August 24, 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.
# Marwa Ayyash · NPI 1689203523
Emergency Medicine physician in Dearborn, Michigan. Individual provider, active in the CMS NPPES registry since April 3, 2020.
## Identity
- **NPI:** 1689203523 (Entity type: Individual)
- **Enumerated:** April 3, 2020
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 4301510539 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 19401 HUBBARD DR, Dearborn, MI 48126-2641
- **Phone:** (313) 982-8172
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Ihp Mi Emergency Medicine PLLC (NPI 1861147456, Garden City, MI); Henry Ford Health System (NPI 1003990318, Detroit, MI); Beaumont Medical Group Hospital -Based Services (NPI 1427567858, Royal Oak, MI); Sound Physicians Emergency Medicine Of Michigan, PLLC (NPI 1568913473, Adrian, MI); Ohio Emergency Professionals Inc (NPI 1982983425, Columbus, OH); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2020
## Record status
- **NPPES last updated:** August 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1689203523) · Data from the CMS NPPES public registry.