Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. John Zerfass, PA-C

Individual provider Medical Physician Assistant · NPI 1184025215

Mr. John Zerfass, PA-C is a Physician Assistant in Allentown, Pennsylvania. Qualified in 2014, 12 years ago. Practices with Lehigh Valley Physician Group, a 2,493-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
12
Licensed in
PA
In the registry since
2014
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

1250 S Cedar Crest Blvd Ste 400
Allentown, PA 18103-6224
Phone: (610) 402-6555
Fax: (610) 402-6550
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence MA057152 (PA)

Record details

NPI number1184025215
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedSeptember 8, 2014
Last updated in NPPESSeptember 15, 2014
Mailing address2100 Mack Blvd, 2nd Fl, Allentown, PA 18103-5622

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Lehigh Valley Physician Group — 2493 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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