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

Dr. John Alan Semian, MD

Individual provider Specialist · NPI 1528061355

Dr. John Alan Semian, MD is a General Surgery in Danville, Pennsylvania. Graduated from Rutgers New Jersey Medical School in 1995, 31 years ago. Practices with Geisinger Clinic, a 3,413-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
31
Trained at
Rutgers New Jersey Medical School
Licensed in
PA
In the registry since
2005
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

100 N Academy Ave
Danville, PA 17822-7615
Phone: (570) 271-6361
Fax: (570) 271-5785
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence MD418609 (PA)
Specialist Taxonomy 174400000X · Licence MD418609 (PA)

Record details

NPI number1528061355
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2005
Last updated in NPPESJune 19, 2020
Certification dateJune 19, 2020
Mailing address100 N Academy Ave, Danville, PA 17822-4903

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolRUTGERS NEW JERSEY MEDICAL SCHOOL
Graduated 1995 (31 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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