Doctor profile · Federal record

Dr. Karina D'Souza, MD, MPH

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Student in an Organized Health Care Education/Training Program · Oakland, CA

  • NPI 1427474998
  • Accepts Medicare
  • MIPS 83.9 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1411 E 31St St
Oakland, CA 946021018
(510) 437-4800
Additional location
506 6Th St
Brooklyn, NY 112153609
(718) 780-3000
Mailing address
506 6Th St
Brooklyn, NY 112153609

Credentials & registration

NPPES · NUCC
NPI registered
March 2014 — 12 yrs on file
Profile last updated
September 2, 2020
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A166474

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427474998. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
29
Distinct HCPCS
1
Medicare allowed
$5,700
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 29 18 $197

In context: peer comparison

Among 2 peers in Oakland Hematology & Oncology Physician, average services per provider: 18. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$100
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
SpringWorks Therapeutics, INC. 1 $100.05

By nature of payment

Food and Beverage
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
84
Patients
12
Total drug cost
$236,215
Drug Type Claims Patients Total cost
Ondansetron Hcl Generic 30 12 $250
Anastrozole Generic 16 0 $316
Dexamethasone Generic 13 0 $31
Xtandi (Enzalutamide) Brand 13 0 $187,366
Imatinib Mesylate Generic 12 0 $48,253

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karina D'Souza's medical specialty?
Dr. Karina D'Souza practices Hematology & Oncology Physician in Oakland, CA.
Where does Dr. Karina D'Souza practice?
Dr. Karina D'Souza practices at 1411 E 31St St, Oakland, CA 946021018. Office phone: 5104374800.
What is Dr. Karina D'Souza's NPI?
Dr. Karina D'Souza's National Provider Identifier (NPI) is 1427474998, issued by NPPES.
Does Dr. Karina D'Souza accept Medicare assignment?
Yes. Dr. Karina D'Souza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karina D'Souza commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.