Karina D'Souza, MD, MPH
Hematology & Oncology Physician · Oakland, CA
Karina D'Souza, MD, MPH is a hematology & oncology physician with a practice address in Oakland, California, and NPI 1427474998, issued on Mar 8, 2014. Check the license (California A166474, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karina D'Souza
- Credential
- MD, MPH
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A166474 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1411 E 31St St, Oakland, CA 94602
- Phone
- (510) 437-4800
- Enumerated
- Mar 8, 2014
- Record last updated
- Sep 2, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201009002336); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 1411 E 31St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karina D'Souza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A166474Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
258 Medicare Part D claims for 47 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 23 claims were for opioids.
Most prescribed
- Ondansetron Hcl38 claims
- Anastrozole33 claims
- Dexamethasone29 claims
- Hydrocodone-Acetaminophen15 claims
- Imatinib Mesylate12 claims
- Xtandi11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 91 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $100.05
1 payment: food and beverage; the largest payer was SpringWorks Therapeutics, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Alameda Health SystemOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karina D'Souza among 1,583 hematology & oncology physician records in California
Karina D'Souza, MD, MPH is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.
- NPI issued2014 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2014 · median 2003 among the 1,124 with a school on file
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Oakland → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- An Uche, M.DOakland, CA 946021982014981
- Stephen Yee, MDOakland, CA 946021528078185
- Aditi Choudhry, M.D.Walnut Creek, CA 945981427218908
- Aruna Gavini, MDWalnut Creek, CA 945981942439021
- Ammara Gill, MDWalnut Creek, CA 945981447482096
- Jewel Johl, M.D.Walnut Creek, CA 945981407852858
- Jose Ochoa-Bayona, M.D.Walnut Creek, CA 945981669475158
- Jonathan PaiWalnut Creek, CA 945981285196105
Common questions
What is Karina D'Souza, MD, MPH's NPI number?
Karina D'Souza, MD, MPH's National Provider Identifier (NPI) is 1427474998, issued on Mar 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Karina D'Souza, MD, MPH located?
The NPPES record lists a practice address at 1411 E 31St St, Oakland, CA, 94602. Phone: (510) 437-4800. Providers update this record themselves, so call before visiting.
How can I verify Karina D'Souza, MD, MPH's license?
NPPES lists California license number A166474, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karina D'Souza, MD, MPH prescribe under Medicare Part D?
In 2024, Karina D'Souza, MD, MPH had 258 Medicare Part D claims for 47 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Karina D'Souza, MD, MPH's MIPS final score?
The 2023 MIPS final score is 91 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.