Doctor profile · Federal record

Dr. Mamdouh Abdulrazzak, M.D.

Neurology Physician (CMS: Neurology) · Sleep Medicine (Internal Medicine) Physician · Dearborn, MI

  • NPI 1689649923
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4700 Greenfield RD
Dearborn, MI 481264124
(313) 945-6100
fax (313) 945-5260

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
April 29, 2019
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State licenses (2)
Michigan #MA0163026 · Michigan #4301063026
Medicaid (2)
MI #4272199 · MI #5209224

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689649923. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
774
Distinct HCPCS
10
Medicare allowed
$80,496
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 181 121 $81
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 118 111 $133
99213 Established patient office or other outpatient visit, 20-29 minutes 82 49 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 71 47 $122
95816 Measurement of brain wave activity (eeg), awake and drowsy 65 62 $56
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 59 50 $51
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 49 49 $177
95819 Measurement of brain wave activity (eeg), awake and asleep 42 42 $56
99291 Critical care, first 30-74 minutes 32 30 $219
99204 New patient office or other outpatient visit, 45-59 minutes 28 28 $162

In context: peer comparison

Among 3 peers in Dearborn Neurology Physician, average services per provider: 59. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$574
Transactions
32
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 15 $199.98
Ucb, INC. 3 $78.33
AstraZeneca Pharmaceuticals Lp 3 $52.13
Abbvie INC. 2 $44.65
Celgene Corporation 2 $43.19
Harmony Biosciences LLC 1 $33.38
Eisai INC. 1 $30.85
Alexion Pharmaceuticals, INC. 1 $22.19
Janssen Biotech, INC. 1 $19.52
Chiesi USA, INC. 1 $17.35
Phathom Pharmaceuticals, INC. 1 $16.82
Neurelis, INC. 1 $15.95

By nature of payment

Food and Beverage
$574

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
319
Patients
12
Total drug cost
$9,023
Drug Type Claims Patients Total cost
Topiramate Generic 54 12 $579
Primidone Generic 44 0 $735
Gabapentin Generic 43 0 $399
Memantine Hcl Generic 33 0 $920
Levetiracetam Generic 32 0 $1,258
Lamotrigine Generic 20 0 $377
Donepezil Hcl Generic 19 0 $224
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 17 0 $514
Lacosamide Generic 17 0 $2,222
Sertraline Hcl Generic 15 0 $185

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mamdouh Abdulrazzak's medical specialty?
Dr. Mamdouh Abdulrazzak practices Neurology Physician in Dearborn, MI.
Where does Dr. Mamdouh Abdulrazzak practice?
Dr. Mamdouh Abdulrazzak practices at 4700 Greenfield RD, Dearborn, MI 481264124. Office phone: 3139456100.
What is Dr. Mamdouh Abdulrazzak's NPI?
Dr. Mamdouh Abdulrazzak's National Provider Identifier (NPI) is 1689649923, issued by NPPES.
Does Dr. Mamdouh Abdulrazzak accept Medicare assignment?
Yes. Dr. Mamdouh Abdulrazzak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mamdouh Abdulrazzak commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.