Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William Iobst, MD

Individual provider Rheumatology Physician · NPI 1568491116

William Iobst, MD is a Rheumatology Physician in Allentown, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1210 S Cedar Crest Blvd Ste 3600
Allentown, PA 18103-6229
Phone: (610) 402-1150
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence MD030188E (PA)

Record details

NPI number1568491116
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 3, 2006
Last updated in NPPESNovember 9, 2010
Mailing addressPo Box 1754, Allentown, PA 18105-1754

Other providers in Allentown