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

Roger McWilliams, MD

Individual provider Family Medicine Physician · NPI 1275502361

Roger McWilliams, MD is a Family Medicine Physician in Tustin, 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.

See every abbreviation used in this directory →

Practice location Address checks out

18102 Irvine Blvd Ste 105
Tustin, CA 92780-3402
Phone: (714) 832-0510
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A62597 (CA)

Record details

NPI number1275502361
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 14, 2006
Last updated in NPPESNovember 2, 2007
Mailing address1310 W Stewart Dr, Suite 410, Orange, CA 92868-3854

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