Quick answers
- Where does William Yon see patients?
- Medicare's clinician data lists 1 practice location in Altoona, PA. Call before your visit to confirm the address.
- What is William Yon's specialty?
- Medicare lists Mental Health Counselor as the primary specialty.
- Does William Yon accept Medicare assignment?
- Yes. Medicare's clinician data says William Yon 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 Yon?
- (814) 943-0414, as listed in official Medicare / NPI Registry data.
- What is William Yon's NPI number?
- 1912201468. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where William Yon is enrolled with Medicare (CMS data updated 2026-10-02).
- 500 E Chestnut AveAltoona, PA 16601 (814) 943‑0414
Group practices
Medicare enrollment lists William Yon as a member of this group (CMS data updated 2026-10-02).
- UPMC Behavioral Health of the Alleghenies5 clinicians in the group
Specialties
- Mental Health Counselorprimary
Find other clinicians: Mental Health Counselor, Pennsylvania →
Other mental health counselors in Altoona
Clinicians with the same Medicare primary specialty in Altoona, PA — not a recommendation.
Clinician information
| Graduation year | 2016 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912201468 |
| 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
- 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