Doctor profile · Federal record

Dr. Arlene D'Souza, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Hematology (Internal Medicine) Physician · Medical Oncology Physician · Geneva, IL

  • NPI 1881828275
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
304 Randall RD
Geneva, IL 601344200
(630) 232-0610

Credentials & registration

NPPES · NUCC
NPI registered
May 2009 — 17 yrs on file
Profile last updated
February 19, 2018
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Illinois #036138969 · Illinois #125-055744
Medicaid
IL #036138969

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881828275. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,262
Distinct HCPCS
9
Medicare allowed
$173,928
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 777 266 $135
99443 Telephone medical discussion with physician, 21-30 minutes 158 116 $134
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 86 55 $83
99215 Established patient office or other outpatient visit, 40-54 minutes 58 45 $187
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 53 27 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 49 48 $182
99205 New patient office or other outpatient visit, 60-74 minutes 40 40 $228
99442 Telephone medical discussion with physician, 11-20 minutes 22 22 $96
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $177

In context: peer comparison

Among 5 peers in this city , average services per provider: 146. This provider delivers 8.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
735
Patients
247
Total drug cost
$1,124,137
Drug Type Claims Patients Total cost
Acyclovir Generic 122 23 $1,766
Prochlorperazine Maleate Generic 84 47 $1,008
Ondansetron Odt (Ondansetron) Brand 65 34 $1,328
Warfarin Sodium Generic 62 15 $876
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 60 12 $422
Dexamethasone Generic 56 24 $1,760
Xarelto (Rivaroxaban) Brand 53 16 $65,441
Eliquis (Apixaban) Brand 37 12 $28,773
Pantoprazole Sodium Generic 34 15 $475
Lorazepam Generic 29 11 $203

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Arlene D'Souza's medical specialty?
Dr. Arlene D'Souza practices Hematology & Oncology Physician in Geneva, IL.
Where does Dr. Arlene D'Souza practice?
Dr. Arlene D'Souza practices at 304 Randall RD, Geneva, IL 601344200. Office phone: 6302320610.
What is Dr. Arlene D'Souza's NPI?
Dr. Arlene D'Souza's National Provider Identifier (NPI) is 1881828275, issued by NPPES.
Does Dr. Arlene D'Souza accept Medicare assignment?
Yes. Dr. Arlene D'Souza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Arlene D'Souza commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99443); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.