Doctor profile · Federal record

Dr. Nizar Souayah, M.D.

Neurology Physician · Neuromuscular Medicine (Psychiatry & Neurology) Physician · Newark, NJ

  • NPI 1558402032
  • MIPS 63.5 / 100 · 2023
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
90 Bergen St, Doc 8100
Newark, NJ 071032425
(973) 972-2550
fax (973) 972-2559
Mailing address
30 Bergen St, Admc 12 1205
Newark, NJ 071073000

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
April 10, 2024
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
New Jersey #25MA07746800
Medicaid
NJ #0050385

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558402032. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
381
Distinct HCPCS
9
Medicare allowed
$53,897
HCPCS Description Services Patients Avg allowed
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 103 32 $112
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 79 76 $90
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 43 22 $49
99215 Established patient office or other outpatient visit, 40-54 minutes 35 27 $193
99214 Established patient office or other outpatient visit, 30-39 minutes 31 25 $142
95913 Nerve conduction, 13 or more studies 28 25 $322
95912 Nerve conduction, 11-12 studies 24 24 $280
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 22 21 $141
95913 Nerve conduction, 13 or more studies 16 16 $200

In context: peer comparison

Among 6 peers in Newark Neurology Physician, average services per provider: 34. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$44,586
Transactions
39
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Takeda Pharmaceuticals U.S.A., INC. 35 $36,570.53
Janssen Biotech, INC. 1 $4,556.25
Csl Behring 2 $3,402.50
Grifols Shared Services North America, INC. 1 $57.19

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$35,194
Travel and Lodging
$5,286
Consulting Fee
$3,370
Food and Beverage
$736

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
404
Patients
0
Total drug cost
$3,656,883
Drug Type Claims Patients Total cost
Radicava Ors (Edaravone) Brand 62 0 $864,796
Prednisone Generic 53 0 $511
Pyridostigmine Bromide Generic 36 0 $3,416
Relyvrio (Sod Phenylbutyrat/Taurursodiol) Brand 34 0 $428,893
Gamunex-C (Immune Globul G/Gly/Iga Avg 46) Brand 28 0 $110,202
Gabapentin Generic 27 0 $543
Riluzole Generic 27 0 $6,028
Gammagard Liquid (Immun Glob G(Igg)/Gly/Iga Ov50) Brand 25 0 $226,739
Vyvgart (Efgartigimod Alfa-Fcab) Brand 21 0 $1,335,838
Mycophenolate Mofetil Generic 20 0 $3,066

Frequently asked questions

Auto-generated from federal data
What is Dr. Nizar Souayah's medical specialty?
Dr. Nizar Souayah practices Neurology Physician in Newark, NJ.
Where does Dr. Nizar Souayah practice?
Dr. Nizar Souayah practices at 90 Bergen St, Newark, NJ 071032425. Office phone: 9739722550.
What is Dr. Nizar Souayah's NPI?
Dr. Nizar Souayah's National Provider Identifier (NPI) is 1558402032, issued by NPPES.
What procedures does Dr. Nizar Souayah commonly perform?
Top Medicare-reported procedures in 2023: Needle measurement of electrical activity in arm or leg muscles, complete study (HCPCS 95886); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Needle measurement of electrical activity in arm or leg muscles, complete study (HCPCS 95886). Source: CMS Medicare Physician & Other Practitioners file.