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

William J Koenig, MD

Individual provider Emergency Medicine Physician · NPI 1457390908

William J Koenig, MD is an Emergency Medicine Physician in Long Beach, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
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

2801 Atlantic Ave
Long Beach, CA 90806-1737
Phone: (562) 933-2000
Fax: (818) 587-2493
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence G27652 (CA)

Record details

NPI number1457390908
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESJuly 13, 2026
Mailing addressPo Box 1490, Long Beach, CA 90801-1490

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