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

Dr. Nathaniel Wise Clark, DO

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1144291360

Dr. Nathaniel Wise Clark, DO is an Emergency Medicine in Seattle, Washington. Qualified in 2004, 22 years ago. Practices with Kaiser Foundation Health Plan of Washington, a 1,519-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
22
Licensed in
WA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

201 16th Ave E
Seattle, WA 98112-5226
Phone: (206) 326-3000
Fax: (206) 326-2785
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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 OP00002070 (WA)

Record details

NPI number1144291360
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 27, 2006
Last updated in NPPESMarch 31, 2021
Certification dateMarch 31, 2021
Mailing address201 16th Ave E, Seattle, WA 98112-5226

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Kaiser Foundation Health Plan Of Washington — 1519 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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