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

Active since December 29, 2005PECOS Enrolled
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: July 19, 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. He is enrolled in Medicare PECOS.

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
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

Other Identifiers 4

Medicare UPINA49133CA
Medicaid00G428270CA
Medicare PINGW327ZCA
Medicare PINWG42827FCA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Willilam C Shiel M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Family Medicine
26800 CROWN VALLEY PKWY, SUITE 435
MISSION VIEJO, CA 92691
Internal Medicine (Allergy & Immunology)
26800 CROWN VALLEY PKWY, SUITE 315
MISSION VIEJO, CA 92691
Internal Medicine
26800 CROWN VALLEY PKWY, SUITE 100
MISSION VIEJO, CA 92691
Internal Medicine
26800 CROWN VALLEY PKWY, SUITE 100
MISSION VIEJO, CA 92691
Clinic/Center (Multi-Specialty)
26800 CROWN VALLEY PKWY, #100
MISSION VIEJO, CA 92691
Obstetrics & Gynecology
26800 CROWN VALLEY PKWY, SUITE 525
MISSION VIEJO, CA 92691
Specialist
26800 CROWN VALLEY PKWY, SUITE 310
MISSION VIEJO, CA 92691
Specialist
26800 CROWN VALLEY PKWY, SUITE 455
MISSION VIEJO, CA 92691

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1699752683, enumerated as an "individual" on December 29, 2005.

The provider is located at 26800 CROWN VALLEY PKWY SUITE 330 MISSION VIEJO, CA 92691 and the phone number is (949) 364-7246.

Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.