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

Dr. Isabelle Marie Gengler, MD

Individual provider Otolaryngology Physician · NPI 1689134272

Dr. Isabelle Marie Gengler, MD is an Otolaryngology in Allentown, Pennsylvania. Qualified in 2007, 19 years ago. Practices with Lehigh Valley Physician Group, a 2,493-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Maryland and Pennsylvania.

Years since qualifying
19
Licensed in
MD, PA
In the registry since
2019
Specialties on file
2
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

1245 S Cedar Crest Blvd Ste 101
Allentown, PA 18103-6258
Phone: (484) 957-2770
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 600 N Wolfe St, Baltimore, MD 21264-2364 — (410) 955-5080
  • 234 Goodman St, Cincinnati, OH 45219-2364 — (513) 558-4198

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence MD492164 (PA)
Otolaryngology Physician Taxonomy 207Y00000X · Licence D0099652 (MD)

Record details

NPI number1689134272
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 21, 2019
Last updated in NPPESSeptember 23, 2025
Certification dateSeptember 23, 2025

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Lehigh Valley Physician Group — 2493 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations10 on file with Medicare

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