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

John J. Cassel, MD, PC

Organization Cardiovascular Disease Physician · NPI 1548254725

John J. Cassel, MD, PC is a Cardiovascular Disease Physician in Allentown, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2005.

Licensed in
PA
In the registry since
2005
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1255 S Cedar Crest Blvd Ste 1200
Allentown, PA 18103-6256
Phone: (610) 437-6222
Fax: (610) 437-5910
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence MC933136C (PA)

Record details

NPI number1548254725
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Margery Fettig — Practice Manager · (610) 437-6222
NPI enumeratedSeptember 2, 2005
Last updated in NPPESAugust 22, 2020
Mailing address1255 S Cedar Crest Blvd, Suite 1200, Allentown, PA 18103-6256

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