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

Individual provider Internal Medicine Physician · NPI 1326087362

Michael L Zager, MD is an Internal Medicine in Allentown, Pennsylvania. Qualified in 1991, 35 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
35
Licensed in
PA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

798 Hausman Rd Ste 100
Allentown, PA 18104-9108
Phone: (610) 336-8260
Fax: (610) 336-8269
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD052741L (PA)

Record details

NPI number1326087362
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2006
Last updated in NPPESMarch 3, 2016
Mailing addressPo Box 783311, Philadelphia, PA 19178-1754

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Lehigh Valley Physician Group — 2493 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations7 on file with Medicare

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