Quick answers
- Does Joseph L. Yozviak accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph L. Yozviak 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.
- What is Joseph L. Yozviak's NPI number?
- 1174561674. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joseph L. Yozviak works
Medicare's Facility Affiliation Data lists Joseph L. Yozviak 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.
- Lehigh Valley HospitalAllentown, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390133
- Lehigh Valley Hospital - HazletonHazleton, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390185
Practice locations
Addresses where Joseph L. Yozviak is enrolled with Medicare (CMS data updated October 2, 2026).
- 1210 S Cedar Crest BlvdAllentown, PA 18103 (610) 402‑3888
- 141 N Vine StHazleton, PA 18201 (570) 454‑0500
- 1627 Chew StAllentown, PA 18102 (610) 969‑2226
- 1627 Chew St, Fl 6Allentown, PA 18102 (484) 633‑0935
- 1627 W Chew St 3rd Fl, Lvpg Mental Health Clinic 17th StAllentown, PA 18102 (610) 402‑1155
Group practices
Medicare enrollment lists Joseph L. Yozviak as a member of this group (CMS data updated October 2, 2026).
- Lehigh Valley Physician Group2,542 clinicians in the group
Specialties
- Infectious Diseaseprimary
- Internal Medicinealso
Other infectious disease doctors in Allentown
Clinicians with the same Medicare primary specialty in Allentown, PA — not a recommendation.
Other clinicians in Lehigh Valley Physician Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174561674 |
| 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
- 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