Doctor profile · Federal record

Dr. Mahshid Mosallaei-Benjamin, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Medical Oncology Physician · Los Angeles, CA

  • NPI 1568515138
  • Accepts Medicare
  • MIPS 84.9 / 100 · 2023
  • 25 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10833 le Conte Ave, 60-054 Chs
Los Angeles, CA 900951678
(310) 825-5756
Mailing address
5767 W Century Blvd, Suite 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
December 29, 2020
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
California #C53083 · Oklahoma #22354

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568515138. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53,667
Distinct HCPCS
10
Medicare allowed
$968,688
HCPCS Description Services Patients Avg allowed
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) 10,710 14 $0
J1453 Injection, fosaprepitant, 1 mg 10,050 24 $0
J0897 Injection, denosumab, 1 mg 8,400 18 $23
J1561 Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg 6,450 16 $48
J9171 Injection, docetaxel, 1 mg 4,987 11 $1
J1745 Injection, infliximab, excludes biosimilar, 10 mg 1,620 12 $33
J2469 Injection, palonosetron hcl, 25 mcg 1,520 42 $1
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,392 46 $0
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 810 283 $8
J7050 Infusion, normal saline solution, 250 cc 646 130 $1

In context: peer comparison

Among 50 peers in Los Angeles Hematology & Oncology Physician, average services per provider: 1,244. This provider delivers 43× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
422
Patients
80
Total drug cost
$537,589
Drug Type Claims Patients Total cost
Letrozole Generic 96 21 $2,533
Anastrozole Generic 59 18 $1,120
Tamoxifen Citrate Generic 33 0 $919
Ondansetron Hcl Generic 32 16 $569
Tagrisso (Osimertinib Mesylate) Brand 29 0 $495,688
Eliquis (Apixaban) Brand 28 0 $17,510
Escitalopram Oxalate Generic 24 0 $183
Dexamethasone Generic 20 14 $501
Xarelto (Rivaroxaban) Brand 17 0 $16,815
Famotidine Generic 15 11 $102

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mahshid Mosallaei-Benjamin's medical specialty?
Dr. Mahshid Mosallaei-Benjamin practices Hematology & Oncology Physician in Los Angeles, CA.
Where does Dr. Mahshid Mosallaei-Benjamin practice?
Dr. Mahshid Mosallaei-Benjamin practices at 10833 le Conte Ave, Los Angeles, CA 900951678. Office phone: 3108255756.
What is Dr. Mahshid Mosallaei-Benjamin's NPI?
Dr. Mahshid Mosallaei-Benjamin's National Provider Identifier (NPI) is 1568515138, issued by NPPES.
Does Dr. Mahshid Mosallaei-Benjamin accept Medicare assignment?
Yes. Dr. Mahshid Mosallaei-Benjamin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mahshid Mosallaei-Benjamin commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138); Injection, fosaprepitant, 1 mg (HCPCS J1453); Injection, denosumab, 1 mg (HCPCS J0897). Source: CMS Medicare Physician & Other Practitioners file.