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

William Lawler, MD

Individual provider Medical Oncology Physician · NPI 1700886702

William Lawler, MD is a Medical Oncology Physician in Fullerton, California. Licensed in Arkansas and California. Registered with an NPI since 2005.

Licensed in
AR, CA
In the registry since
2005
Specialties on file
2
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

2151 N Harbor Blvd Ste 2200
Fullerton, CA 92835-3820
Phone: (714) 446-5900
Fax: (714) 446-5800
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence G16403 (CA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence G16403 (AR)

Record details

NPI number1700886702
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 1, 2005
Last updated in NPPESApril 26, 2013
Mailing address279 Imperial Hwy, Suite 730, Fullerton, CA 92835-1041

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