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

Mason W Oltman, MD

Individual provider Pediatrics Physician · NPI 1770679888

Mason W Oltman, MD is a Pediatrics Physician in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
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

2211 Queen Anne Ave N
Seattle, WA 98109-2367
Phone: (206) 861-8500
Fax: (206) 861-8501
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Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence MD00045063 (WA)

Record details

NPI number1770679888
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 5, 2006
Last updated in NPPESApril 15, 2022
Certification dateApril 15, 2022
Mailing addressPo Box 25608, Salt Lake City, UT 84125-0608

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