Arlene D'Souza, M.D.
NPI 1881828275 · Hematology & Oncology Physician · Geneva, IL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arlene D'Souza, M.D. is a Hematology & Oncology Physician provider in Geneva, IL (NPI 1881828275).
Provider details
- NPI number
- 1881828275
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 125-055744 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,544 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 691 | $135 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 227 | $190 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 202 | $17 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 152 | $136 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 83 | $179 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 125 | 29 |
| Prochlorperazine Maleate | 83 | 54 |
| Dexamethasone | 80 | 28 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 69 | 18 |
| Ondansetronbrand: Ondansetron Odt | 66 | 36 |
| Warfarin Sodium | 51 | 14 |
| Rivaroxabanbrand: Xarelto | 40 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-13
- Last updated
- 2018-02-19
Frequently asked questions
- What is Arlene D'Souza's NPI number?
- Arlene D'Souza's National Provider Identifier (NPI) is 1881828275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arlene D'Souza's specialty?
- Arlene D'Souza is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Arlene D'Souza located?
- Arlene D'Souza's practice location on file with NPPES is 304 Randall Rd, Geneva, IL 60134-4200.
- What is Arlene D'Souza's phone number?
- The practice phone number listed in the NPPES registry for Arlene D'Souza is (630) 232-0610.
- Does Arlene D'Souza accept Medicare?
- Arlene D'Souza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arlene D'Souza's NPI active?
- Yes — Arlene D'Souza's NPI (1881828275) is active in the NPPES registry as of the last update on 2018-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.