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

Mary Kathryn Thayer, MD

Individual provider Orthopaedic Surgery Physician · NPI 1134549272

Mary Kathryn Thayer, MD is an Orthopedic Surgery in Bellevue, Washington. Qualified in 2014, 12 years ago. Practices with Proliance Surgeons Inc P S, a 394-clinician group, works from 4 locations, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
12
Licensed in
WA
In the registry since
2014
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

3101 Northup Way Ste 201
Bellevue, WA 98004-1449
Phone: (425) 455-3600
Fax: (425) 455-3920
Show map & directions

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

Additional practice locations (3)

  • 510 8th Ave Ne Ste 200, Issaquah, WA 98029-5436 — (425) 392-3030
  • 18100 Ne Union Hill Rd Ste 330, Redmond, WA 98052-3330 — (425) 455-3600
  • 515 Minor Ave Ste 200, Seattle, WA 98104-2133 — (425) 455-3600

Specialties & licences

Orthopaedic Hand Surgery Physician (primary) Taxonomy 207XS0106X · Licence MD60773007 (WA)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence MD60773007 (WA)

Record details

NPI number1134549272
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 16, 2014
Last updated in NPPESMay 13, 2024
Certification dateMay 13, 2024

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Also practisesHAND SURGERY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Proliance Surgeons Inc P S — 394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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