Cristina Roxana Ionescu, M.D.
Internal Medicine Physician · Westport, CT
Cristina Roxana Ionescu, M.D. is an internal medicine physician with a practice address in Westport, Connecticut, and NPI 1194017715, issued on May 15, 2011. Check the license (Connecticut 66218, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Cristina Roxana Ionescu
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 66218 CT
277368 NY
Self-reported in NPPES; status is on the state search - Practice location
- 333 Post RD W, Westport, CT 06880
- Phone
- (203) 226-0731
- Enumerated
- May 15, 2011
- Record last updated
- Jun 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (203) 226-1792
- Medicare enrollment
- Enrolled (PECOS I20200819002933); accepts Medicare assignment
- Medical or professional school
- Toledo Medical College, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 333 Post RD W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Beth Carlson Tuohy, APRNAdult Health Nurse Practitioner1265444731
- Robert Dresdner, M.D.Internal Medicine Physician1356443204
- Jay Horn, M.D.Internal Medicine Physician1013093731
- Brian KurucPhysical Therapist1295393718
- Lisa Maggiore, OTR, L CHTOccupational Therapist1073638169
- Jenny McGuinness, DPTPhysical Therapist1336551878
Verify Cristina Roxana Ionescu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 66218Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% more Medicare Part D claims than the average internal medicine physician in 2024
4,369 Medicare Part D claims for 474 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Atorvastatin Calcium356 claims
- Amlodipine Besylate257 claims
- Rosuvastatin Calcium206 claims
- Levothyroxine Sodium155 claims
- Escitalopram Oxalate151 claims
- Losartan Potassium144 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): 94.2 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).
Bills Medicare through 2 group practices
- Nuvance Health Medical Practice CT IncWestport, CT
- Rehabilitation Associates IncFairfield, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
23 internal medicine physician records list a practice address in Westport
They are 23 of the 886 NPPES records with a practice address in Westport, and 2,623 internal medicine physician records in Connecticut.
All 23 in Westport → All 2,623 in Connecticut → Every provider in Westport →
Other internal medicine physician records in Connecticut
- Hoda Abdel Salam, M.D.New Britain, CT1144509316
- Gada Abdelhafiz, MDNew London, CT1467649558
- Racha Abi Melhem, MDDerby, CT1902471352
- Gerard Abidor, D.O.Bridgeport, CT1518014539
- Lilyan AbrahamFarmington, CT1447693254
- Richard Abraham, M.D.Canton, CT1023044252
- Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
- Kenneth Abriola, MDGlastonbury, CT1083693022
- Florentino Abueg, MDSouthbury, CT1649372558
- Nila Aburto, MDStamford, CT1396325718
Common questions
What is Cristina Roxana Ionescu, M.D.'s NPI number?
Cristina Roxana Ionescu, M.D.'s National Provider Identifier (NPI) is 1194017715, issued on May 15, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Cristina Roxana Ionescu, M.D. located?
The NPPES record lists a practice address at 333 Post RD W, Westport, CT, 06880. Phone: (203) 226-0731. Providers update this record themselves, so call before visiting.
How can I verify Cristina Roxana Ionescu, M.D.'s license?
NPPES lists Connecticut license number 66218, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Cristina Roxana Ionescu, M.D. prescribe under Medicare Part D?
In 2024, Cristina Roxana Ionescu, M.D. had 4,369 Medicare Part D claims for 474 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Cristina Roxana Ionescu, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.2 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.