Gabriel Roman Souza, MD
Hematology & Oncology Physician · Sioux Falls, SD
Gabriel Roman Souza, MD is a hematology & oncology physician with a practice address in Sioux Falls, South Dakota, and NPI 1982220331, issued on Jun 22, 2020. Check the license (South Dakota 18397, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Gabriel Roman Souza
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 18397 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1325 S Cliff Ave, Sioux Falls, SD 57105
- Phone
- (605) 322-8000
- Enumerated
- Jun 22, 2020
- Record last updated
- Jun 22, 2026
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 31 in South Dakota → Look up another NPI →
Also registered at 1325 S Cliff Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gabriel Roman Souza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 18397Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
16 Medicare Part D claims for 12 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
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.
Gabriel Roman Souza among 31 hematology & oncology physician records in South Dakota
Gabriel Roman Souza, MD is one of 31 hematology & oncology physician records with a practice address in South Dakota. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 97% of them.
- NPI issued2020 · 97% of these records are older, 0% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2026 · 71% 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 South Dakota 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 South Dakota
There are 31 hematology & oncology physician records in South Dakota.
All 31 in South Dakota → Every provider in Sioux Falls → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Roberto Ferro Valdes, M.D.Sioux Falls, SD 571051861780108
- Mark Huber, M.D.Sioux Falls, SD 571051750357299
- Waqas Jehangir, MD, MBBSSioux Falls, SD 571051659752541
- Kelly McCaul, M.D.Sioux Falls, SD 571051295701522
- Michael McHale, MDSioux Falls, SD 571051124017256
- Heidi McKean, MDSioux Falls, SD 571051992714281
- Houman Nourkeyhani, M.D.Sioux Falls, SD 571051184935652
- Vinod Parameswaran, M.D.Sioux Falls, SD 571051013983352
Common questions
What is Gabriel Roman Souza, MD's NPI number?
Gabriel Roman Souza, MD's National Provider Identifier (NPI) is 1982220331, issued on Jun 22, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Gabriel Roman Souza, MD located?
The NPPES record lists a practice address at 1325 S Cliff Ave, Sioux Falls, SD, 57105. Phone: (605) 322-8000. Providers update this record themselves, so call before visiting.
How can I verify Gabriel Roman Souza, MD's license?
NPPES lists South Dakota license number 18397, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gabriel Roman Souza, MD prescribe under Medicare Part D?
In 2024, Gabriel Roman Souza, MD had 16 Medicare Part D claims for 12 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
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.