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

John R. Knudsen, MD

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1508952060

John R. Knudsen, MD is a General Practice in Ferndale, Washington. Graduated from University of Washington School of Medicine in 1970, 56 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
56
Trained at
University of Washington School of Medicine
Licensed in
WA
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.

See every abbreviation used in this directory →

Practice location Address checks out

6046 Portal Way Ste 103
Ferndale, WA 98248-7829
Phone: (360) 734-2330
Fax: (360) 733-3886
Show map & directions

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

Specialties & licences

Emergency Medical Services (Emergency Medicine) Physician (primary) Taxonomy 207PE0004X · Licence MD00013215 (WA)
General Practice Physician Taxonomy 208D00000X · Licence MD00013215 (WA)

Record details

NPI number1508952060
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESMarch 7, 2023
Mailing address1260 Maralee Lane, Bellingham, WA 98226

Medicare enrollment

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

Medicare specialtyGENERAL PRACTICE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 1970 (56 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services