Marwa Ayyash
NPI 1689203523 · Emergency Medicine Physician · Dearborn, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marwa Ayyash is a Emergency Medicine Physician provider in Dearborn, MI (NPI 1689203523).
Provider details
- NPI number
- 1689203523
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 35.147058 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
548 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 350 | $168 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 154 | $116 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 30 | $68 |
| Critical Care, First 30-74 Minutes99291 | 14 | $202 |
Typical Medicare-allowed amounts for these services range $68–$202 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 72 | 72 |
| Ibuprofen | 62 | 61 |
| Ondansetronbrand: Ondansetron Odt | 56 | 53 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 50 | 46 |
| Methocarbamol | 41 | 41 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 28 | 27 |
| Amoxicillin/Potassium Clav |
Practice location
Mailing address
Additional practice locations (5)
- 5853 Orchard AveDearborn, MI 48126-2001Phone: (313) 641-0363
- 2799 W Grand BlvdDetroit, MI 48202-2608Phone: (313) 916-1545
- 39000 7 Mile Rd Ste 1400Livonia, MI 48152-1006Phone: (947) 523-4310
- 40777 Ann Arbor Rd EPlymouth, MI 48170-4448Phone: (734) 928-1600
- 6777 W Maple RdWest Bloomfield, MI 48322-3013Phone: (248) 661-6450
Registry dates
- Enumerated
- 2020-04-03
- Last updated
- 2025-11-03
- Certified
- 2025-11-03
Frequently asked questions
- What is Marwa Ayyash's NPI number?
- Marwa Ayyash's National Provider Identifier (NPI) is 1689203523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marwa Ayyash's specialty?
- Marwa Ayyash is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marwa Ayyash located?
- Marwa Ayyash's practice location on file with NPPES is 19401 Hubbard Dr, Dearborn, MI 48126-2641.
- What is Marwa Ayyash's phone number?
- The practice phone number listed in the NPPES registry for Marwa Ayyash is (313) 982-8172.
- Does Marwa Ayyash accept Medicare?
- Marwa Ayyash is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marwa Ayyash's NPI active?
- Yes — Marwa Ayyash's NPI (1689203523) is active in the NPPES registry as of the last update on 2025-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.