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

Dr. Thomas D. Challman, MD

Individual provider Pediatric Neurodevelopmental Disabilities Physician · NPI 1841265642

Dr. Thomas D. Challman, MD is a Pediatric Medicine in Danville, Pennsylvania. Graduated from Georgetown University School of Medicine in 1991, 35 years ago. Practices with Geisinger Clinic, a 3,413-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
35
Trained at
Georgetown University School of Medicine
Licensed in
PA
In the registry since
2006
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

100 N Academy Ave
Danville, PA 17822-1339
Phone: (570) 271-6440
Fax: (570) 271-6002
Show map & directions

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

Specialties & licences

Pediatric Neurodevelopmental Disabilities Physician (primary) Taxonomy 2080P0008X · Licence MD418738 (PA)

Record details

NPI number1841265642
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 23, 2006
Last updated in NPPESAugust 10, 2020
Certification dateAugust 10, 2020
Mailing address100 N Academy Ave, Danville, PA 17822-3034

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Geisinger Clinic — 3413 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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