Cassidy Onukwuli, MD
Nephrology Physician · Dallas, TX
Cassidy Onukwuli, MD is a nephrology physician with a practice address in Dallas, Texas, and NPI 1558867564, issued on Mar 30, 2018. Check the license (Texas U2281, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Cassidy Onukwuli
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- U2281 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6201 Harry Hines Blvd, Dallas, TX 75235
- Phone
- (214) 633-5555
- Enumerated
- Mar 30, 2018
- Record last updated
- Apr 8, 2024
- Medicare enrollment
- Enrolled (PECOS I20231027000649); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,159 in Texas → Look up another NPI →
Also registered at 6201 Harry Hines Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Cassidy Onukwuli in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license U2281Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average nephrology physician in 2024
188 Medicare Part D claims for 56 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Amlodipine Besylate18 claims
- Calcitriol18 claims
- Furosemide16 claims
- Chlorthalidone11 claims
- Torsemide11 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): 74.6 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).
Bills Medicare through one group practice
- University OF Texas Southwestern Medical Center AT DallasDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cassidy Onukwuli among 1,159 nephrology physician records in Texas
Cassidy Onukwuli, MD is one of 1,159 nephrology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 93% of them.
- NPI issued2018 · 93% of these records are older, 6% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2018 · median 2001 among the 954 with a school on file
- Record last updated2024 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Texas
There are 1,159 nephrology physician records in Texas.
All 1,159 in Texas → Every provider in Dallas → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Huzair Ali, M.D.Dallas, TX 752351225443351
- Ruth Dubin, MDDallas, TX 752351780893495
- Alissar El Chediak, MDDallas, TX 752351609497700
- Taylor Jamshidi, DODallas, TX 752351033627195
- Kiran Khan, M.D.Dallas, TX 752351477867513
- Pooja Koolwal, MDDallas, TX 752351669811899
- Lowell Lo, MDDallas, TX 752351174732358
- Joseph Lockridge, MDDallas, TX 752351639331101
Common questions
What is Cassidy Onukwuli, MD's NPI number?
Cassidy Onukwuli, MD's National Provider Identifier (NPI) is 1558867564, issued on Mar 30, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Cassidy Onukwuli, MD located?
The NPPES record lists a practice address at 6201 Harry Hines Blvd, Dallas, TX, 75235. Phone: (214) 633-5555. Providers update this record themselves, so call before visiting.
How can I verify Cassidy Onukwuli, MD's license?
NPPES lists Texas license number U2281, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Cassidy Onukwuli, MD prescribe under Medicare Part D?
In 2024, Cassidy Onukwuli, MD had 188 Medicare Part D claims for 56 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Cassidy Onukwuli, MD's MIPS final score?
The 2023 MIPS final score is 74.6 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.