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

Jonathan William Seiferth, MD

Individual provider Family Medicine Physician · NPI 1386224384

Jonathan William Seiferth, MD is a Family Practice in Williamsport, Pennsylvania. Qualified in 2021, 5 years ago. Practices with Susquehanna Physician Services, a 612-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
5
Licensed in
PA
In the registry since
2021
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

740 High St Ste 4001
Williamsport, PA 17701-3111
Phone: (570) 321-2345
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD485993 (PA)

Record details

NPI number1386224384
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 13, 2021
Last updated in NPPESSeptember 4, 2025
Certification dateSeptember 4, 2025
Mailing address1201 Grampian Blvd, Williamsport, PA 17701-1900

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Susquehanna Physician Services — 612 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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