Quick answers
- Does Chih Heng Hsieh accept Medicare assignment?
- Yes. Medicare's clinician data says Chih Heng Hsieh 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 Chih Heng Hsieh see?
- In 2024, CMS data shows 376 Original Medicare patients and 961 services for Chih Heng Hsieh. This counts Original Medicare only and measures volume, not quality.
- What is Chih Heng Hsieh's NPI number?
- 1942860945. 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 Chih Heng Hsieh, 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 | 376 |
|---|---|
| Services billed to Medicare | 961 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)470 services
- Hospital discharge day management, more than 30 minutes (99239)170 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)159 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)96 services
- Hospital discharge day management, 30 minutes or less (99238)58 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 blood pressure75%
- High cholesterol75%
- Ischemic heart disease65%
- Arthritis57%
- Heart failure49%
- Chronic kidney disease47%
Hospitals where Chih Heng Hsieh works
Medicare's Facility Affiliation Data lists Chih Heng Hsieh 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.
- Melrosewakefield HealthcareMelrose, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220070
- Metrowest Medical CenterFramingham, MA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 220175
- St Vincent HospitalWorcester, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220176
- Tufts Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220116
Practice locations
Addresses where Chih Heng Hsieh is enrolled with Medicare (CMS data updated October 2, 2026).
- 115 Lincoln StFramingham, MA 01702 (508) 383‑1000
- 585 Lebanon StMelrose, MA 02176 (781) 979‑3000
Group practices
Medicare enrollment lists Chih Heng Hsieh as a member of these groups (CMS data updated October 2, 2026).
- Hospitalist Physicians of Massachusetts PC85 clinicians in the group
- Massachusetts Acute Care Specialists PC43 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Framingham
Clinicians with the same Medicare primary specialty in Framingham, MA — not a recommendation.
Other clinicians in Hospitalist Physicians of Massachusetts PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Massachusetts Medical School |
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942860945 |
| 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