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

Dr. Willilam C Shiel, MD

Individual provider Rheumatology Physician · NPI 1699752683

Dr. Willilam C Shiel, MD is a Rheumatology Physician in Mission Viejo, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
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

26800 Crown Valley Pkwy Ste 330
Mission Viejo, CA 92691-6384
Phone: (949) 364-7246
Fax: (949) 364-1647
Show map & directions

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

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence G42827 (CA)

Record details

NPI number1699752683
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 29, 2005
Last updated in NPPESJanuary 23, 2013

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