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

John O'Connor, DO

Individual provider Internal Medicine Physician · NPI 1841089935

John O'Connor, DO is an Internal Medicine Physician in Allentown, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2025.

Licensed in
PA
In the registry since
2025
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1200 S Cedar Crest Blvd
Allentown, PA 18103-6202
Phone: (484) 862-3200
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence OT024320 (PA)

Record details

NPI number1841089935
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 5, 2025
Last updated in NPPESMay 5, 2025
Certification dateApril 11, 2025

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