Doctor profile · Federal record

Dr. Muhammad Muslim, MD

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

  • NPI 1861571218
  • Accepts Medicare
  • MIPS 76.2 / 100 · 2023
  • 38 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4646 Brockton Ave Ste 203
Riverside, CA 925060104
(951) 394-7028
fax (951) 224-9899
Additional location
2220 Canterbury Dr Ste 150
Hays, KS 676012370
(785) 623-5774
fax (785) 623-5775
Mailing address
18000 Studebaker RD Ste 800
Cerritos, CA 907032671

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
November 20, 2025
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (3)
California #C192251 · Wisconsin #44404 · Kansas #0452015
Medicaid (2)
CA #1861571218 · WI #34202900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861571218. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
648
Distinct HCPCS
10
Medicare allowed
$53,747
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 290 132 $93
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99 22 $76
99214 Established patient office or other outpatient visit, 30-39 minutes 63 38 $122
99215 Established patient office or other outpatient visit, 40-54 minutes 52 30 $137
99213 Established patient office or other outpatient visit, 20-29 minutes 32 29 $63
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 28 17 $8
36415 Insertion of needle into vein for collection of blood sample 27 12 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 20 17 $86
80053 Blood test, comprehensive group of blood chemicals 19 12 $10
83615 Lactate dehydrogenase (enzyme) level 18 11 $6

In context: peer comparison

Among 7 peers in this city , average services per provider: 87. This provider delivers 7.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,917
Transactions
151
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 23 $371.88
PFIZER INC. 17 $315.44
Takeda Pharmaceuticals U.S.A., Inc. 10 $224.77
GlaxoSmithKline, LLC. 14 $217.29
E.R. Squibb & Sons, L.L.C. 24 $215.54
Eisai Inc. 10 $213.28
AstraZeneca Pharmaceuticals LP 9 $208.52
ARRAY BIOPHARMA INC 8 $192.17
Merck Sharp & Dohme LLC 7 $178.42
Incyte Corporation 5 $177.90
Janssen Biotech, Inc. 9 $177.48
Celgene Corporation 5 $143.92
SOBI, INC 3 $133.14
ABBVIE INC. 3 $83.54
Lilly USA, LLC 4 $83.27

By nature of payment

Food and Beverage
$3,716
Education
$201

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
329
Patients
41
Total drug cost
$189,155
Drug Type Claims Patients Total cost
Dexamethasone Generic 58 15 $295
Anastrozole Generic 55 13 $1,043
Alendronate Sodium Generic 42 0 $301
Omeprazole Generic 25 0 $284
Gabapentin Generic 22 0 $244
Hydroxyurea Generic 21 0 $671
Letrozole Generic 21 0 $427
Prednisone Generic 19 0 $117
Prochlorperazine Maleate Generic 16 13 $297
Pramipexole Dihydrochloride (Pramipexole Di-Hcl) Brand 14 0 $116

Frequently asked questions

Auto-generated from federal data
What is Dr. Muhammad Muslim's medical specialty?
Dr. Muhammad Muslim practices Hematology & Oncology Physician in Riverside, CA.
Where does Dr. Muhammad Muslim practice?
Dr. Muhammad Muslim practices at 4646 Brockton Ave Ste 203, Riverside, CA 925060104. Office phone: 9513947028.
What is Dr. Muhammad Muslim's NPI?
Dr. Muhammad Muslim's National Provider Identifier (NPI) is 1861571218, issued by NPPES.
Does Dr. Muhammad Muslim accept Medicare assignment?
Yes. Dr. Muhammad Muslim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Muhammad Muslim commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.