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Infectious Disease

Joseph L. Yozviak, DO

Works at hospitals in Allentown, PA · Hazleton, PA · Pennsylvania

Summary

Dr. Joseph L. Yozviak, DO is an infectious disease doctor at 1210 S Cedar Crest Blvd, Allentown, PA 18103. Phone: (610) 402-3888. Accepts Medicare assignment. NPI 1174561674. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Infectious disease doctor (Medicare lists Infectious Disease)
  • Address: 1210 S Cedar Crest Blvd, Allentown, PA 18103 · Directions (4 more locations)
  • Phone: (610) 402‑3888
  • Medicare: Accepts Medicare assignment
  • Hospitals: Lehigh Valley Hospital, Lehigh Valley Hospital - Hazleton
  • Group practice: Lehigh Valley Physician Group
  • Medical school: Philadelphia College Of Osteopathic Medicine · graduated 2003 (23 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph L. Yozviak, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

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).

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

Find other Infectious Disease doctors in Pennsylvania →

Other infectious disease doctors in Allentown

Clinicians with the same Medicare primary specialty in Allentown, PA — not a recommendation.

All infectious disease doctors in Allentown →

Other clinicians in Lehigh Valley Physician Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1174561674
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians