Doctor profile · Federal record

Dr. Sarah Larson, M.D.

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

  • NPI 1588820955
  • Accepts Medicare
  • MIPS 84.9 / 100 · 2023
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10833 le Conte Ave, 42-121 Chs
Los Angeles, CA 900951447
(310) 825-7768
fax (310) 206-5511

Credentials & registration

NPPES · NUCC
NPI registered
August 2008 — 18 yrs on file
Profile last updated
October 2, 2013
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A117249

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588820955. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
39,278
Distinct HCPCS
10
Medicare allowed
$1,874,766
HCPCS Description Services Patients Avg allowed
J9144 Injection, daratumumab, 10 mg and hyaluronidase-fihj 33,120 20 $47
J1561 Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg 2,800 15 $48
99214 Established patient office or other outpatient visit, 30-39 minutes 466 130 $139
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 409 136 $8
80053 Blood test, comprehensive group of blood chemicals 359 128 $10
82784 Gammaglobulin (immune system protein) measurement 254 70 $9
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 247 23 $85
99214 Established patient office or other outpatient visit, 30-39 minutes 189 71 $104
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 182 40 $118
J7050 Infusion, normal saline solution, 250 cc 151 30 $1

In context: peer comparison

Among 50 peers in Los Angeles Hematology & Oncology Physician, average services per provider: 1,244. This provider delivers 32× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$6,574
Transactions
7
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 2 $6,400.00
Kite Pharma, INC. 1 $70.47
Legend Biotech USA INC. 2 $50.45
Janssen Biotech, INC. 1 $29.20
Gilead Sciences, INC. 1 $23.43

By nature of payment

Consulting Fee
$6,400
Food and Beverage
$174

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
388
Patients
82
Total drug cost
$1,967,875
Drug Type Claims Patients Total cost
Acyclovir Generic 102 33 $4,375
Lenalidomide Generic 47 12 $610,947
Gabapentin Generic 35 14 $1,101
Revlimid (Lenalidomide) Brand 34 11 $572,856
Dexamethasone Generic 25 12 $509
Fluconazole Generic 19 0 $558
Calquence (Acalabrutinib Maleate) Brand 18 0 $280,578
Bortezomib Generic 16 0 $2,221
Pantoprazole Sodium Generic 15 0 $366
Imbruvica (Ibrutinib) Brand 14 0 $237,500

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sarah Larson's medical specialty?
Dr. Sarah Larson practices Hematology & Oncology Physician in Los Angeles, CA.
Where does Dr. Sarah Larson practice?
Dr. Sarah Larson practices at 10833 le Conte Ave, Los Angeles, CA 900951447. Office phone: 3108257768.
What is Dr. Sarah Larson's NPI?
Dr. Sarah Larson's National Provider Identifier (NPI) is 1588820955, issued by NPPES.
Does Dr. Sarah Larson accept Medicare assignment?
Yes. Dr. Sarah Larson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sarah Larson commonly perform?
Top Medicare-reported procedures in 2023: Injection, daratumumab, 10 mg and hyaluronidase-fihj (HCPCS J9144); Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg (HCPCS J1561); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.