Quick answers
- Does Cristina R. Ionescu accept Medicare assignment?
- Yes. Medicare's clinician data says Cristina R. Ionescu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Cristina R. Ionescu see?
- In 2024, CMS data shows 346 Original Medicare patients and 1,417 services for Cristina R. Ionescu. This counts Original Medicare only and measures volume, not quality.
- What is Cristina R. Ionescu's NPI number?
- 1194017715. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Cristina R. Ionescu, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 346 |
|---|---|
| Services billed to Medicare | 1,417 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)376 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)322 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)289 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)68 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)56 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol73%
- High blood pressure60%
- Arthritis47%
- Anxiety25%
- Osteoporosis23%
- Ischemic heart disease18%
Hospitals where Cristina R. Ionescu works
Medicare's Facility Affiliation Data lists Cristina R. Ionescu at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Bridgeport HospitalBridgeport, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070010
- Danbury HospitalDanbury, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070033
- Greenwich Hospital Association -Greenwich, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070018
- Norwalk HospitalNorwalk, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070034
Practice locations
Addresses where Cristina R. Ionescu is enrolled with Medicare (CMS data updated October 2, 2026).
- 1931 Black Rock TpkeFairfield, CT 06825 (203) 384‑8681
- 333 Post Rd WWestport, CT 06880 (203) 226‑0731
Group practices
Medicare enrollment lists Cristina R. Ionescu as a member of these groups (CMS data updated October 2, 2026).
- Nuvance Health Medical Practice Ct Inc747 clinicians in the group
- Rehabilitation Associates Inc529 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Fairfield
Clinicians with the same Medicare primary specialty in Fairfield, CT — not a recommendation.
Other clinicians in Nuvance Health Medical Practice Ct Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Toledo Medical College |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1194017715 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians