Quick answers
- Which hospitals does Yin Hung work at?
- Medicare's official clinician data lists Yin Hung at 2 hospitals: Mercy Medical Center and The Cooley Dickinson Hospital Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Yin Hung see patients?
- Medicare's clinician data lists 2 practice locations, including Springfield, MA. Call before your visit to confirm the address.
- What is Yin Hung's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine and Pulmonary Disease.
- Does Yin Hung accept Medicare assignment?
- Yes. Medicare's clinician data says Yin Hung accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Yin Hung?
- (413) 734-8254, as listed in official Medicare / NPI Registry data.
- What is Yin Hung's NPI number?
- 1588651822. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Yin Hung works
Medicare's Facility Affiliation Data lists Yin Hung at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Medical CenterSpringfield, MA · Acute Care Hospital · CCN 220066
- The Cooley Dickinson Hospital IncNorthampton, MA · Acute Care Hospital · CCN 220015
Practice locations
Addresses where Yin Hung is enrolled with Medicare (CMS data updated 2026-10-02).
- 175 Carew St, Suite 200Springfield, MA 01104 (413) 734‑8254
- 271 Carew StSpringfield, MA 01104 (413) 748‑9000
Group practices
Medicare enrollment lists Yin Hung as a member of these groups (CMS data updated 2026-10-02).
- Riverbend Medical Group Inc226 clinicians in the group
- Adfinitas Health at the Mercy Hospital PLLC8 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
- Pulmonary Diseasealso
Other hospitalists in Springfield
Clinicians with the same Medicare primary specialty in Springfield, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588651822 |
| 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