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

William Okoniewski, MD

Individual provider Pediatrics Physician · NPI 1073197349

William Okoniewski, MD is a Pediatrics Physician in Trexlertown, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2021.

Licensed in
PA
In the registry since
2021
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

6900 Hamilton Blvd
Trexlertown, PA 18087-9101
Phone: (610) 402-2600
Fax: (610) 402-0409
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence MD485375 (PA)

Record details

NPI number1073197349
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 12, 2021
Last updated in NPPESAugust 8, 2024
Certification dateAugust 8, 2024
Mailing address6518 Scenic View Dr, Macungie, PA 18062-8688

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