Ileana Cornelia Deftu, MD
Internal Medicine Physician · Reno, NV
Ileana Cornelia Deftu, MD is an internal medicine physician with a practice address in Reno, Nevada, and NPI 1356568711, issued on Apr 19, 2007. Check the license (Nevada 12431, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ileana Cornelia Deftu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 12431 NV
Self-reported in NPPES; status is on the state search - Practice location
- 961 Kuenzli St, Reno, NV 89502
- Phone
- (775) 470-7200
- Enumerated
- Apr 19, 2007
- Record last updated
- Aug 21, 2025
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,229 in Nevada → Look up another NPI →
Also registered at 961 Kuenzli St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Angela Miller, APRNNurse Practitioner1134480247
- Megan Pailing, APRNFamily Nurse Practitioner1730649419
Verify Ileana Cornelia Deftu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 12431Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average internal medicine physician in 2024
971 Medicare Part D claims for 183 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin50 claims
- Furosemide40 claims
- Eliquis38 claims
- Levothyroxine Sodium36 claims
- Atorvastatin Calcium33 claims
- Amlodipine Besylate31 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 MIPS final score for 2023 (Medicare payment program): 91.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Ileana Cornelia Deftu among 1,229 internal medicine physician records in Nevada
Ileana Cornelia Deftu, MD is one of 1,229 internal medicine physician records with a practice address in Nevada. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2025 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
159 internal medicine physician records list a practice address in Reno
They are 159 of the 11,565 NPPES records with a practice address in Reno, and 1,229 internal medicine physician records in Nevada.
All 1,229 in Nevada → Every provider in Reno → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Philip Davis, MDReno, NV 895021497787717
- Rebeca Hamilton, M.D.Reno, NV 895021477526978
- James Hemsley, DOReno, NV 895021770567539
- Amy Khan, M.D., MPHReno, NV 895021346289964
- Elena Nyhan, M.D.Reno, NV 895021700814399
- Andreia Pop, MDReno, NV 895021174544787
Common questions
What is Ileana Cornelia Deftu, MD's NPI number?
Ileana Cornelia Deftu, MD's National Provider Identifier (NPI) is 1356568711, issued on Apr 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ileana Cornelia Deftu, MD located?
The NPPES record lists a practice address at 961 Kuenzli St, Reno, NV, 89502. Phone: (775) 470-7200. Providers update this record themselves, so call before visiting.
How can I verify Ileana Cornelia Deftu, MD's license?
NPPES lists Nevada license number 12431, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ileana Cornelia Deftu, MD prescribe under Medicare Part D?
In 2024, Ileana Cornelia Deftu, MD had 971 Medicare Part D claims for 183 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Ileana Cornelia Deftu, MD's MIPS final score?
The 2023 MIPS final score is 91.6 of 100. 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.