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

Dr. Michael Eric Janssen, MD

Individual provider Internal Medicine Physician · NPI 1194804161

Dr. Michael Eric Janssen, MD is an Internal Medicine in Seattle, Washington. Graduated from University of Washington School of Medicine in 2004, 22 years ago. Practices with Select Outpatient Services Inc, a 790-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in New Hampshire, Washington and Wyoming.

Years since qualifying
22
Trained at
University of Washington School of Medicine
Licensed in
NH, WA, WY
In the registry since
2006
Specialties on file
4
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

5350 Tallman Ave NW Ste 301
Seattle, WA 98107-5902
Phone: (206) 320-3335
Fax: (206) 320-8027
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 500 17th Ave, Seattle, WA 98122-5711 — (206) 320-2230

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD60344899 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence RT-1351 (NH)
Internal Medicine Physician Taxonomy 207R00000X · Licence TL1017 (WY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 13498 (NH)

Record details

NPI number1194804161
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 2, 2006
Last updated in NPPESOctober 7, 2020
Certification dateOctober 7, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Select Outpatient Services Inc — 790 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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