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

Katherine Lyn Weyer, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1720421423

Katherine Lyn Weyer, MD is an Obstetrics/Gynecology in Oregon City, Oregon. Qualified in 2012, 14 years ago. Practices with Frances Mahon Deaconess Hospital, a 38-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Montana and Oregon.

Years since qualifying
14
Licensed in
MT, OR
In the registry since
2013
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

1508 Division St Ste 205
Oregon City, OR 97045-1585
Phone: (503) 657-1057
Fax: (503) 657-3321
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 221 5th Ave S, Glasgow, MT 59230-2600 — (406) 228-3536

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence MD184314 (OR)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 138190 (MT)

Record details

NPI number1720421423
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 11, 2013
Last updated in NPPESJanuary 30, 2026
Certification dateJanuary 30, 2026

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Frances Mahon Deaconess Hospital — 38 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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