Mamdouh Abdulrazzak, M.D.
NPI 1689649923 · Neurology Physician · Dearborn, MI
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mamdouh Abdulrazzak, M.D. is a Neurology Physician provider in Dearborn, MI (NPI 1689649923).
Provider details
- NPI number
- 1689649923
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301063026 (MI)
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 tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
594 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 149 | $79 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 79 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 61 | $91 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 60 | $50 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 51 | $174 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 61 | 19 |
| Memantine Hcl | 46 | 13 |
| Donepezil Hcl | 34 | 12 |
| Topiramate | 32 | 13 |
| Primidone | 28 | — |
| Lamotrigine | 25 | — |
| Levetiracetam | 24 | — |
| Sertraline Hcl | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$574 across 32 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-21
- Last updated
- 2019-04-29
Frequently asked questions
- What is Mamdouh Abdulrazzak's NPI number?
- Mamdouh Abdulrazzak's National Provider Identifier (NPI) is 1689649923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mamdouh Abdulrazzak's specialty?
- Mamdouh Abdulrazzak is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Mamdouh Abdulrazzak located?
- Mamdouh Abdulrazzak's practice location on file with NPPES is 4700 Greenfield Rd, Dearborn, MI 48126-4124.
- What is Mamdouh Abdulrazzak's phone number?
- The practice phone number listed in the NPPES registry for Mamdouh Abdulrazzak is (313) 945-6100.
- Does Mamdouh Abdulrazzak accept Medicare?
- Mamdouh Abdulrazzak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mamdouh Abdulrazzak's NPI active?
- Yes — Mamdouh Abdulrazzak's NPI (1689649923) is active in the NPPES registry as of the last update on 2019-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.