Quick answers
- Does Christina Carretta accept Medicare assignment?
- Yes. Medicare's clinician data says Christina Carretta 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 Christina Carretta see?
- In 2024, CMS data shows 183 Original Medicare patients and 4,908 services for Christina Carretta. This counts Original Medicare only and measures volume, not quality.
- What is Christina Carretta's NPI number?
- 1922882752. 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 Christina Carretta, 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 | 183 |
|---|---|
| Services billed to Medicare | 4,908 |
| Different services or procedures | 75 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)326 services
- Blood test, comprehensive group of blood chemicals (80053)286 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)271 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)217 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)116 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 cholesterol74%
- High blood pressure72%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)47%
- Arthritis46%
- Anxiety31%
- Ischemic heart disease30%
Hospitals where Christina Carretta works
Medicare's Facility Affiliation Data lists Christina Carretta 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.
- Charlotte Hungerford HospitalTorrington, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070011
- Sharon HospitalSharon, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070004
- Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070022
Practice locations
Addresses where Christina Carretta is enrolled with Medicare (CMS data updated October 2, 2026).
- 20 York StNew Haven, CT 06510
- 800 Howard AveNew Haven, CT 06519 (203) 785‑2140
Group practices
Medicare enrollment lists Christina Carretta as a member of these groups (CMS data updated October 2, 2026).
- Yale University2,645 clinicians in the group
- Yale New Haven Hospital44 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in New Haven
Clinicians with the same Medicare primary specialty in New Haven, CT — not a recommendation.
Other clinicians in Yale University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2023 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1922882752 |
| 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