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

Individual provider Emergency Medicine Physician · NPI 1881637148

John D Seidner, MD is an Emergency Medicine Physician in Klamath Falls, Oregon. Works from 3 locations. Licensed in New Hampshire and Oregon.

Licensed in
NH, OR
In the registry since
2006
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

2865 Daggett Ave
Klamath Falls, OR 97601
Phone: (541) 274-6175
Fax: (541) 274-6739
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1 Elliot Way, Manchester, NH 03103-3502 — (603) 663-2830
  • 1 Elliot Way, Manchester, NH 03103-3502 — (603) 663-2830

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MD191862 (OR)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 11338 (NH)

Record details

NPI number1881637148
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2006
Last updated in NPPESJune 24, 2019
Mailing address2865 Daggett Ave, Klamath Falls, OR 97601-1106

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