Quick answers
- Which hospitals does William B. Balcom work at?
- Medicare's official clinician data lists William B. Balcom at 2 hospitals: St Vincent Hospital and UMass Memorial Health - Harrington Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William B. Balcom see patients?
- Medicare's clinician data lists 1 practice location in Worcester, MA. Call before your visit to confirm the address.
- What is William B. Balcom's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does William B. Balcom accept Medicare assignment?
- Yes. Medicare's clinician data says William B. Balcom 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 William B. Balcom?
- (508) 363-5000, as listed in official Medicare / NPI Registry data.
- What is William B. Balcom's NPI number?
- 1639159841. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William B. Balcom works
Medicare's Facility Affiliation Data lists William B. Balcom at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Vincent HospitalWorcester, MA · Acute Care Hospital · CCN 220176
- UMass Memorial Health - Harrington HospitalSouthbridge, MA · Acute Care Hospital · CCN 220019
Practice locations
Addresses where William B. Balcom is enrolled with Medicare (CMS data updated 2026-10-02).
- 123 Summer StWorcester, MA 01608 (508) 363‑5000
Group practices
Medicare enrollment lists William B. Balcom as a member of this group (CMS data updated 2026-10-02).
- Reliant Medical Group Inc640 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Worcester
Clinicians with the same Medicare primary specialty in Worcester, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Pennsylvania State University College Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639159841 |
| 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