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

William Joseph Liaw, DO

Individual provider Family Medicine Physician · NPI 1508825548

William Joseph Liaw, DO is a Family Practice in Macungie, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 1994, 32 years ago. Practices with St Lukes Physician Group Inc, a 2,127-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
32
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA
In the registry since
2006
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

3760 Brookside Rd
Macungie, PA 18062-1741
Phone: (610) 628-7111
Fax: (610) 628-7180
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

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence OS008821L (PA)

Record details

NPI number1508825548
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 20, 2006
Last updated in NPPESDecember 6, 2017
Mailing address3760 Brookside Rd, Macungie, PA 18062-1741

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1994 (32 years in practice)
Group practice St Lukes Physician Group Inc — 2127 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

Other providers in Macungie