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

Dr. Karl Stephen Weller

Individual provider Emergency Medicine Physician · NPI 1831381078

Dr. Karl Stephen Weller is an Internal Medicine in Bethlehem, Pennsylvania. Qualified in 2007, 19 years ago. Practices with Paragon Contracting Services LLC, a 395-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
19
Licensed in
PA
In the registry since
2007
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

801 Ostrum St
Bethlehem, PA 18015-1000
Phone: (484) 526-4644
Fax: (484) 526-4979
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence OS014603 (PA)

Record details

NPI number1831381078
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedAugust 13, 2007
Last updated in NPPESMarch 1, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Paragon Contracting Services Llc — 395 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Bethlehem