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

Herbert Kloss, MD PLLC

Organization Pediatric Anesthesiology Physician · NPI 1972873842

Herbert Kloss, MD PLLC is a Pediatric Anesthesiology Physician in Mercer Island, Washington. Registered with an NPI since 2012.

In the registry since
2012
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

5057 84th Ave SE
Mercer Island, WA 98040-4617
Phone: (253) 375-6937
Show map & directions

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

Specialties & licences

Pediatric Anesthesiology Physician (primary) Taxonomy 207LP3000X

Record details

NPI number1972873842
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Herbert Kloss — Owner · (253) 375-6937
NPI enumeratedJanuary 9, 2012
Last updated in NPPESJanuary 9, 2012
Mailing address5057 84th Ave Se, Mercer Island, WA 98040-4617