Doctor profile · Federal record

Dr. Mahmoud Nemazee, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Norwalk, CA

  • NPI 1801849450
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
13100 Studebaker RD
Norwalk, CA 906502531
(562) 864-6377
Mailing address
Dept la 21575
Pasadena, CA 911851575

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 27, 2007
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #C50799

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801849450. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
653
Distinct HCPCS
5
Medicare allowed
$89,364
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 252 229 $184
99284 Emergency department visit with moderate level of medical decision making 248 206 $127
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 86 79 $9
99291 Critical care, first 30-74 minutes 38 37 $226
99283 Emergency department visit with low level of medical decision making 29 26 $75

In context: peer comparison

Among 3 peers in Norwalk Emergency Medicine Physician, average services per provider: 153. This provider delivers 4.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
298
Patients
257
Total drug cost
$2,525
Drug Type Claims Patients Total cost
Tramadol Hcl Generic 66 56 $256
Levofloxacin Generic 54 51 $364
Cephalexin Generic 44 41 $429
Ciprofloxacin Hcl Generic 42 36 $255
Ibuprofen Generic 28 28 $144
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 22 21 $130
Prednisone Generic 17 13 $56
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 14 0 $748
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 11 11 $145

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mahmoud Nemazee's medical specialty?
Dr. Mahmoud Nemazee practices Emergency Medicine Physician in Norwalk, CA.
Where does Dr. Mahmoud Nemazee practice?
Dr. Mahmoud Nemazee practices at 13100 Studebaker RD, Norwalk, CA 906502531. Office phone: 5628646377.
What is Dr. Mahmoud Nemazee's NPI?
Dr. Mahmoud Nemazee's National Provider Identifier (NPI) is 1801849450, issued by NPPES.
Does Dr. Mahmoud Nemazee accept Medicare assignment?
Yes. Dr. Mahmoud Nemazee accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mahmoud Nemazee commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.