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

Dr. William R Swayser, DO

Individual provider Internal Medicine Physician · NPI 1609828300

Dr. William R Swayser, DO is an Internal Medicine in Allentown, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 1989, 37 years ago. Practices with Lehigh Valley Physician Group, a 2,493-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
37
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA
In the registry since
2006
Specialties on file
2
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.

See every abbreviation used in this directory →

Practice location Address checks out

1255 S Cedar Crest Blvd Ste 2200
Allentown, PA 18103-6256
Phone: (610) 437-9006
Fax: (610) 437-1942
Show map & directions

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

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence OS007209L (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence OS007209L (PA)

Record details

NPI number1609828300
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 17, 2006
Last updated in NPPESMarch 7, 2019
Mailing addressPo Box 783311, Philadelphia, PA 19178-3311

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1989 (37 years in practice)
Group practice Lehigh Valley Physician Group — 2493 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Allentown