Doctor profile · Federal record

Dr. Samuel Slomowitz, M.D.

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

  • NPI 1659525756
  • Accepts Medicare
  • MIPS 84.9 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 MED Plaza, 365,420,120
Los Angeles, CA 90024
(805) 496-5153
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
November 2008 — 18 yrs on file
Profile last updated
August 9, 2018
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
California #130892 · Utah #7465189-1205

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659525756. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
271,084
Distinct HCPCS
10
Medicare allowed
$4,327,759
HCPCS Description Services Patients Avg allowed
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 46,900 25 $3
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) 36,720 34 $0
J9299 Injection, nivolumab, 1 mg 35,820 14 $30
J9271 Injection, pembrolizumab, 1 mg 25,200 26 $54
J9263 Injection, oxaliplatin, 0.5 mg 21,700 13 $0
J1453 Injection, fosaprepitant, 1 mg 20,100 31 $0
Q5101 Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram 16,680 14 $0
J0897 Injection, denosumab, 1 mg 11,700 48 $23
J9267 Injection, paclitaxel, 1 mg 9,684 13 $0
J1561 Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg 7,100 14 $48

In context: peer comparison

Among 50 peers in Los Angeles Hematology & Oncology Physician, average services per provider: 1,244. This provider delivers 218× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$38
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 1 $37.97

By nature of payment

Food and Beverage
$38

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
560
Patients
86
Total drug cost
$2,094,633
Drug Type Claims Patients Total cost
Anastrozole Generic 99 33 $2,654
Imbruvica (Ibrutinib) Brand 57 0 $938,787
Hydroxyurea Generic 55 19 $2,645
Xarelto (Rivaroxaban) Brand 50 11 $50,351
Letrozole Generic 44 0 $2,343
Eliquis (Apixaban) Brand 38 11 $38,549
Tamoxifen Citrate Generic 34 0 $1,232
Xtandi (Enzalutamide) Brand 30 0 $445,192
Furosemide Generic 25 0 $82
Prednisone Generic 24 12 $177

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Samuel Slomowitz's medical specialty?
Dr. Samuel Slomowitz practices Hematology & Oncology Physician in Los Angeles, CA.
Where does Dr. Samuel Slomowitz practice?
Dr. Samuel Slomowitz practices at 200 MED Plaza, Los Angeles, CA 90024. Office phone: 8054965153.
What is Dr. Samuel Slomowitz's NPI?
Dr. Samuel Slomowitz's National Provider Identifier (NPI) is 1659525756, issued by NPPES.
Does Dr. Samuel Slomowitz accept Medicare assignment?
Yes. Dr. Samuel Slomowitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Samuel Slomowitz commonly perform?
Top Medicare-reported procedures in 2023: Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138); Injection, nivolumab, 1 mg (HCPCS J9299). Source: CMS Medicare Physician & Other Practitioners file.