Cristina Roxana Ionescu, MD - Medicare Internal Medicine in Westport, CT

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Cristina Roxana Ionescu, MD is a medicare enrolled "Internal Medicine" physician in Westport, Connecticut. She went to Toledo Medical College and graduated in 2011 and has 13 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Nuvance Health Medical Practice Ct Inc, Rehabilitation Associates Inc and her current practice location is 333 Post Rd W, Westport, Connecticut. You can reach out to her office (for appointments etc.) via phone at (203) 226-0731.

Cristina Roxana Ionescu is licensed to practice in Connecticut (license number 66218) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1194017715.

Contact Information

Cristina Roxana Ionescu, MD
333 Post Rd W,
Westport, CT 06880-4754
(203) 226-0731
(203) 226-1792

Map and Direction




Physician's Profile

Full NameCristina Roxana Ionescu
GenderFemale
SpecialityInternal Medicine
Experience13 Years
Location333 Post Rd W, Westport, Connecticut
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Cristina Roxana Ionescu attended and graduated from Toledo Medical College in 2011
  NPI Data:
  • NPI Number: 1194017715
  • Provider Enumeration Date: 05/15/2011
  • Last Update Date: 06/18/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 2365667672
  • Enrollment ID: I20200819002933

Medical Identifiers

Medical identifiers for Cristina Roxana Ionescu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1194017715NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 277368 (New York)Secondary
207R00000XInternal Medicine 66218 (Connecticut)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Constellation HospiceOrange, CTHospice
Danbury HospitalDanbury, CTHospital
Norwalk HospitalNorwalk, CTHospital
Stamford HospitalStamford, CTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Nuvance Health Medical Practice Ct Inc4789597691642
Rehabilitation Associates Inc8022905322285

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Cristina Roxana Ionescu allows following entities to bill medicare on her behalf.
Entity NameNuvance Health Medical Practice Ct Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407898117
PECOS PAC ID: 4789597691
Enrollment ID: O20031205000130

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Cristina Roxana Ionescu is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Cristina Roxana Ionescu, MD
333 Post Rd W,
Westport, CT 06880-4754

Ph: (203) 226-0731		Cristina Roxana Ionescu, MD
333 Post Rd W,
Westport, CT 06880-4754

Ph: (203) 226-0731

Reviews and Comments


Internal Medicine Doctors in Westport, CT

Jay A Horn, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 333 Post Rd W, Westport, CT 06880
Phone: 203-226-0731    
Dr. Boris V Sheynberg, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 32 Imperial Ave, Westport, CT 06880
Phone: 203-226-1760    Fax: 203-221-8291
Dr. Steven W Ryder, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 4 Ambler Rd W, Westport, CT 06880
Phone: 203-695-7933    
Dr. Samuel Frumkin, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 162 Kings Hwy N, Westport, CT 06880
Phone: 203-226-0731    Fax: 203-226-1792
Dr. Robban Ariel Sica, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: C/o West Port Integrative Medicine, Llc Suite 100, 1 Turkey Hill Road South, Westport, CT 06880
Phone: 203-799-7733    Fax: 203-987-4853
Deborah A. Mayer, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 131 Kings Hwy N Ste 2, Westport, CT 06880
Phone: 203-557-8347    Fax: 203-557-8349

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.