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

Aristotle Gerrit Leonhard, MD

Individual provider Pulmonary Disease Physician · NPI 1871086074

Aristotle Gerrit Leonhard, MD is a Pulmonary Disease in Seattle, Washington. Graduated from Medical College of Wisconsin in 2018, 8 years ago. Licensed in Washington.

Years since qualifying
8
Trained at
Medical College of Wisconsin
Licensed in
WA
In the registry since
2018
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

325 9th Ave
Seattle, WA 98104-2420
Phone: (206) 520-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence MD.MD.61291621 (WA)

Record details

NPI number1871086074
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 12, 2018
Last updated in NPPESAugust 5, 2026
Certification dateAugust 5, 2026

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2018 (8 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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