Doctor profile · Federal record

Dr. Mervat Nassef, MD

Pediatric Allergy/Immunology Physician (CMS: Allergy/Immunology) · New York, NY

  • NPI 1063478915
  • Accepts Medicare
  • MIPS 93.4 / 100 · 2023
  • 40 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3959 Broadway
New York, NY 100321559
(221) 304-7250
fax (212) 544-1974

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
November 1, 2016
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
2080P0201X — NUCC code
State license (1)
New York #176745
Medicaid
NJ #0064505

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063478915. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
57
Distinct HCPCS
2
Medicare allowed
$9,603
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 33 26 $147
99204 New patient office or other outpatient visit, 45-59 minutes 24 24 $198

In context: peer comparison

Among 1 peers in New York Pediatric Allergy/Immunology Physician, average services per provider: 28. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
268
Patients
46
Total drug cost
$213,703
Drug Type Claims Patients Total cost
Levocetirizine Dihydrochloride Generic 50 13 $523
Fluticasone Propionate Generic 44 17 $572
Azelastine Hcl Generic 37 16 $1,394
Xolair (Omalizumab) Brand 25 0 $180,939
Montelukast Sodium Generic 23 0 $390
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 19 0 $850
Famotidine Generic 16 0 $167
Breo Ellipta (Fluticasone/Vilanterol) Brand 14 0 $6,520
Epinephrine Generic 14 0 $2,440
Symbicort (Budesonide/Formoterol Fumarate) Brand 14 0 $7,548

Frequently asked questions

Auto-generated from federal data
What is Dr. Mervat Nassef's medical specialty?
Dr. Mervat Nassef practices Pediatric Allergy/Immunology Physician in New York, NY.
Where does Dr. Mervat Nassef practice?
Dr. Mervat Nassef practices at 3959 Broadway, New York, NY 100321559. Office phone: 2213047250.
What is Dr. Mervat Nassef's NPI?
Dr. Mervat Nassef's National Provider Identifier (NPI) is 1063478915, issued by NPPES.
Does Dr. Mervat Nassef accept Medicare assignment?
Yes. Dr. Mervat Nassef accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mervat Nassef commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.