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

William Dewey Lei, MD

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1063472603

William Dewey Lei, MD is an Emergency Medical Services (Emergency Medicine) Physician in Oklahoma City, Oklahoma. Licensed in Puerto Rico. Registered with an NPI since 2006.

Licensed in
PR
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

8325 NW Expressway St C/o Mercy After Hours
Oklahoma City, OK 73162-6006
Phone: (405) 749-7099
Fax: (405) 749-4561
Show map & directions

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 19801 (PR)

Record details

NPI number1063472603
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2006
Last updated in NPPESAugust 5, 2010

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