Quick answers
- Which hospitals does Hayley Chan work at?
- Medicare's official clinician data lists Hayley Chan at 2 hospitals: Carle Foundation Hospital and Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Hayley Chan see patients?
- Medicare's clinician data lists 1 practice location in New Haven, CT. Call before your visit to confirm the address.
- What is Hayley Chan's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Hayley Chan accept Medicare assignment?
- Medicare's clinician data says Hayley Chan may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Hayley Chan's NPI number?
- 1285318345. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Hayley Chan works
Medicare's Facility Affiliation Data lists Hayley Chan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Carle Foundation HospitalUrbana, IL · Acute Care Hospital · CCN 140091
- Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · CCN 070022
Practice locations
Addresses where Hayley Chan is enrolled with Medicare (CMS data updated 2026-10-02).
- 20 York StNew Haven, CT 06510
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in New Haven
Clinicians with the same Medicare primary specialty in New Haven, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2026 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1285318345 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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