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DR. WILLILAM C SHIEL M.D.
NPI 1699752683
Internal Medicine - Rheumatology in Mission Viejo, CA

Active since December 29, 2005
26800 CROWN VALLEY PKWY, SUITE 330, MISSION VIEJO, CA 92691(949) 364-7246(949) 364-1647 Get Directions Write a Review

NPPES record last updated: January 23, 2013. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. Willilam C Shiel M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLILAM C SHIEL M.D. (NPI 1699752683) is an individual rheumatology provider in Mission Viejo, California, licensed in California (G42827) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1699752683
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameDR. WILLILAM C SHIELCredential: M.D.
Location Address26800 CROWN VALLEY PKWY, SUITE 330Mission Viejo, CA 92691-6384
Mailing Address26522 La Alameda, Suite 120Mission Viejo, CA 92691-6330 · (949) 282-1671 · Fax (949) 367-0518
Phone(949) 364-7246
Fax(949) 364-1647
Sole ProprietorNo
Enumeration DateDecember 29, 2005
Last NPPES UpdateJanuary 23, 2013
✔ NPI 1699752683 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in CA · G42827
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
26800 CROWN VALLEY PKWY, Mission Viejo, CA 92691
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Other Identifiers 4

Medicare UPINA49133CA
Medicaid00G428270CA
Medicare PINGW327ZCA
Medicare PINWG42827FCA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMY THU BUI M.D.
Specialist
26800 CROWN VALLEY PKWY, SUITE 230
MISSION VIEJO, CA 92691
Orange County (949) 542-8004
MATT AHMADI, DPM, INC.
Podiatrist (Foot & Ankle Surgery)
26800 CROWN VALLEY PKWY, SUITE 320
MISSION VIEJO, CA 92691
Orange County (949) 276-8900
MICHAEL PM TRUONG M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
26800 CROWN VALLEY PKWY, SUITE 230
MISSION VIEJO, CA 92691
Orange County (949) 364-3330
PETER C. CZULEGER M.D.
Emergency Medicine
26800 CROWN VALLEY PKWY, SUITE 150
MISSION VIEJO, CA 92691
Orange County (949) 276-2111
KATHLEEN MARY POLLOCK M.D.
Obstetrics & Gynecology
26800 CROWN VALLEY PKWY, SUITE 525
MISSION VIEJO, CA 92691
Orange County (949) 364-1040
TRICIA DAVID BATO D.D.S.
Dentist (Periodontics)
26800 CROWN VALLEY PKWY, STE 375
MISSION VIEJO, CA 92691
Orange County (949) 388-3877
DR. RICHARD JACOB M.D.
Internal Medicine (Cardiovascular Disease)
26800 CROWN VALLEY PKWY, SUITE 250
MISSION VIEJO, CA 92691
Orange County (949) 364-3570
HABIB AZAD M.D.
Internal Medicine (Nephrology)
26800 CROWN VALLEY PKWY, SUITE 250
MISSION VIEJO, CA 92691
Orange County (949) 364-0644

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Willilam Shiel's NPI number?

The NPI number for Willilam Shiel is 1699752683. It was assigned to this individual provider in the NPPES registry on December 29, 2005.

Where is Willilam Shiel located?

Willilam Shiel practices at 26800 Crown Valley Pkwy Suite 330, Mission Viejo, CA 92691. The listed phone number is (949) 364-7246.

What is Willilam Shiel's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

When was this NPI record last updated?

The NPPES record for Willilam Shiel was last updated on January 23, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.