Curr Treat Options Oncol
Clinical Decision-MakingDisease ManagementPalliative Care
Dr. Karina M. D'Souza, MD, MPH
NPI1427474998PAC ID9133549215
- Medicare services, 2024
- 73
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 258
- Publications
- 2
- MIPS score, 2024
- 95
- Practice address
- 15400 Foothill Blvd, Castro Valley, CA 94578
- Practice phone
- Call (510) 895-7230
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
San Leandro Hospital Rehab
Castro Valley, California
Find Dr. D'Souza's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Karina M. D'Souza is a hematologist and oncologist in Castro Valley, California
Dr. D'Souza practices at San Leandro Hospital Rehab in Castro Valley, California.
Dr. D'Souza's NPI, 1427474998, was assigned on March 8, 2014. Dr. D'Souza graduated from Other in 2010. Dr. D'Souza's California license number on file is A166474.
NPI and contact details
- NPI
- 1427474998NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133549215
- NPI enumeration date
- March 8, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 895-7230
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karina M. D'Souza practices at San Leandro Hospital Rehab in Castro Valley, California
Dr. D'Souza's primary practice is San Leandro Hospital Rehab, at 15400 Foothill Blvd, Castro Valley, CA 94578 in Alameda County. The practice phone is (510) 895-7230.
- San Leandro Hospital Rehab15400 Foothill Blvd, Castro Valley, CA 94578 · Alameda CountyPhone(510) 895-7230
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Karina M. D'Souza is affiliated with 4 sites of care and 1 medical group
Dr. D'Souza's primary practice is San Leandro Hospital Rehab in Castro Valley, California. Dr. D'Souza is also affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. The medical group on file is Alameda Health System. Dmand AI also links Dr. D'Souza to 2 more hospitals, each named with a free account.
San Leandro Hospital RehabPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karina M. D'Souza's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. D'Souza practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Leandro Hospital Rehab | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karina M. D'Souza is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. D'Souza's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. D'Souza is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. D'Souza's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Hematology and oncology, CaliforniaPrimary
- Student in an organized health care education/training program, New York
Hematologists and oncologists near Dr. D'Souza
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
1,502hematologists and oncologists in California
5hematologists and oncologists in Castro Valley
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Karina M. D'Souza billed Medicare for 73 services in 2024
CMS data shows 73 Medicare services from Dr. D'Souza across 3 procedure codes in 2024, for 54 Medicare patients. Medicare paid $9,318 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202473
Medicare patients54
Paid by Medicare$9,318
Procedure codes3
Dr. D'Souza's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 292024: 73152%
Dr. D'Souza compared with the California median for hematologists and oncologists, 2024
- Dr. D'Souza
- California median
- Medicare services
- 73vs 93292% below
- Medicare patients
- 54vs 22576% below
- Part D claims
- 138vs 39465% below
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
Dr. D'Souza's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. D'Souza and other hematologists and oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karina M. D'Souza treated 54 Medicare patients in 2024, average age 71
CMS counts 54 Medicare patients who saw Dr. D'Souza in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 54% have cancer. Their average risk score is 2.26, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. D'Souza's median patient age at 63, with 55% women.
Medicare patients, 202454
Average age71
Average risk score2.26
Dr. D'Souza's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. D'Souza's Medicare patients by sex, 2024
- Women2444%
- Men3056%
Chronic conditions among Dr. D'Souza's Medicare patients, 2024
- High blood pressure75%
- Cancer54%
- High cholesterol44%
- Arthritis43%
- Diabetes41%
- Chronic kidney disease35%
- Tobacco use31%
- Mood disorders28%
Share of Medicare patients with each condition. A patient can have several.
Dr. D'Souza's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karina M. D'Souza wrote 258 Medicare Part D claims in 2024
In 2024, Dr. D'Souza wrote 258 Medicare Part D claims for 47 patients. 82% of them were for generic drugs. CMS names the drug for 138 of them, across 6 drugs with 11 or more claims each, at $180,963 in total drug cost. In 2023, CMS named 84 claims across 5 drugs.
Part D claims, 2024258
Drugs named by CMS6
Total drug cost$180,963
Part D patients47
Dr. D'Souza's Part D claims by kind of drug, 2024
- Generic211 claims82%
- Brand-name47 claims18%
Dr. D'Souza's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. D'Souza's Part D claims, 2024
- Opioids9%23 of 258 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 842024: 13864%
Drugs named by CMS: 6 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Karina M. D'Souza scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. D'Souza for performance year 2024, reported as part of a group. Dr. D'Souza accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. D'Souza's MIPS scores, performance year 2024
- 95of 100Final score
- 86.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Karina M. D'Souza has 2 publications on record
Dmand AI links 2 papers to Dr. D'Souza in 2020. Dr. D'Souza's most frequent co-author is Alan Bennett Astrow, MD.
Papers2
Dr. D'Souza's most frequent co-authors
Recent publications by Dr. D'Souza
AIDS Patient Care STDS
Ambulatory Care FacilitiesBlack or African AmericanEarly Detection of Cancer
See who Dr. D'Souza researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. D'Souza works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karina M. D'Souza received $484 in industry payments from 2021 to 2025
CMS Open Payments shows 12 general payments to Dr. D'Souza from 3 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 55% of the total. Pfizer Inc. paid the most, $348.
General payments to Dr. D'Souza by program year, 2021 to 2025
General payments to Dr. D'Souza by kind, 2021 to 2025
$484in total
- Food and beverage$26855%
- Education$21645%
Companies that paid Dr. D'Souza the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karina M. D'Souza graduated from Other
Dr. D'Souza graduated from Other in 2010.
- Medical school
- Board certified in hematology
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Karina M. D'Souza accepts plans from 13 insurance carriers
Dr. D'Souza is in network with 13 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Aetna. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Aetna
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Alliant Health Plans
- Aspirus Health Plan
- +5 more carriersWith a free account
Plan types Dr. D'Souza accepts, by number of carriers
- PPO8
- HMO6
- Medicare6
- EPO3
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Karina M. D'Souza's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Karina M. D'Souza
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Karina M. D'Souza's NPI number?
Dr. Karina M. D'Souza's NPI number is 1427474998. It was assigned on March 8, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Karina M. D'Souza?
Dr. Karina M. D'Souza is a hematologist and oncologist in Castro Valley, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Karina M. D'Souza practice?
Dr. D'Souza practices at 15400 Foothill Blvd, Castro Valley, CA 94578. Dr. D'Souza's primary practice is San Leandro Hospital Rehab in Castro Valley, California. Dmand AI also links Dr. D'Souza to 2 hospitals.
What is Dr. Karina M. D'Souza's office phone number?
The practice phone on file for Dr. D'Souza is (510) 895-7230.
What is Dr. Karina M. D'Souza's medical license number?
Dr. D'Souza's California license number on file is A166474, one of the licenses on file in 2 states.
Which states has Dr. Karina M. D'Souza been licensed in?
Dmand AI has state licenses on file for Dr. D'Souza in California (2019 to 2025) and New York.
Which hospitals is Dr. Karina M. D'Souza affiliated with?
Dr. D'Souza is affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. Dmand AI links Dr. D'Souza to 2 more hospitals.
What medical group is Dr. Karina M. D'Souza part of?
Dr. D'Souza is linked to Alameda Health System.
Does Dr. Karina M. D'Souza accept Medicare?
Yes. CMS data shows Dr. D'Souza billed Medicare for 73 services in 2024, and Dr. D'Souza accepts Medicare assignment.
What is Dr. Karina M. D'Souza's MIPS score?
Dr. D'Souza's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Karina M. D'Souza see?
CMS counts 54 Medicare patients who saw Dr. D'Souza in 2024, with an average age of 71.
Is Dr. Karina M. D'Souza board certified?
Yes. Dr. D'Souza is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Karina M. D'Souza bill to Medicare?
In 2024, Dr. D'Souza's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99233) and hospital inpatient care (99222).
Where did Dr. Karina M. D'Souza go to medical school?
Dr. D'Souza graduated from Other in 2010.
What drugs does Dr. Karina M. D'Souza prescribe most?
In 2024 Medicare Part D data, Dr. D'Souza's most prescribed drugs by claims were Ondansetron HCl, Anastrozole and Dexamethasone.
Has Dr. Karina M. D'Souza received payments from drug or device companies?
CMS Open Payments shows $484 in general payments to Dr. D'Souza from 3 companies from 2021 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Karina M. D'Souza been practicing?
Dr. D'Souza graduated from medical school in 2010, 16 years ago.
Does Dr. Karina M. D'Souza do research?
Dmand AI links 2 publications to Dr. D'Souza.
Who does Dr. Karina M. D'Souza publish with?
Dr. D'Souza's most frequent co-authors are Alan Bennett Astrow, MD (1 shared paper).
What insurance does Dr. Karina M. D'Souza accept?
Dr. D'Souza is in network with 13 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Aetna. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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