Dr Willilam C Shiel, MD - Medicare Internal Medicine in Mission Viejo, CA

Dr Willilam C Shiel, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Mission Viejo, California. His current practice location is 26800 Crown Valley Pkwy, Suite 330, Mission Viejo, California. You can reach out to his office (for appointments etc.) via phone at (949) 364-7246.

Dr Willilam C Shiel is licensed to practice in California (license number G42827) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1699752683.

Contact Information

Dr Willilam C Shiel, MD
26800 Crown Valley Pkwy, Suite 330,
Mission Viejo, CA 92691-6384
(949) 364-7246
(949) 364-1647



Physician's Profile

Full NameDr Willilam C Shiel
GenderMale
SpecialityInternal Medicine - Rheumatology
Location26800 Crown Valley Pkwy, Mission Viejo, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1699752683
  • Provider Enumeration Date: 12/29/2005
  • Last Update Date: 01/23/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 0244298487
  • Enrollment ID: I20041220001145

Medical Identifiers

Medical identifiers for Dr Willilam C Shiel such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1699752683NPI-NPPES
00G428270MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology G42827 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Willilam C Shiel allows following entities to bill medicare on his behalf.
Entity NameProvidence Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285890624
PECOS PAC ID: 8921993205
Enrollment ID: O20040216001346

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Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Willilam C Shiel is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Willilam C Shiel, MD
26522 La Alameda, Suite 120,
Mission Viejo, CA 92691-6330

Ph: (949) 282-1671
Dr Willilam C Shiel, MD
26800 Crown Valley Pkwy, Suite 330,
Mission Viejo, CA 92691-6384

Ph: (949) 364-7246

News Archive

Chronic conductive hearing loss linked to speech recognition deficits

Chronic conductive hearing loss, which can result from middle-ear infections, has been linked to speech recognition deficits, according to the results of a new study, led by scientists at Massachusetts Eye and Ear and published September 6 in the journal Ear and Hearing.

Roche statement on offer for Ventana Medical Systems

Roche released the following statement in response to the announcement by Ventana Medical Systems, Inc. ("Ventana").

High prevalence of asthma among children with H1N1

A new study on pediatric H1N1 influenza admissions has found that asthma is a significant risk factor for severe disease in children with pandemic H1N1 compared with the seasonal flu.

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Internal Medicine Doctors in Mission Viejo, CA

Amy Thu Bui, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 26800 Crown Valley Pkwy, Suite 230, Mission Viejo, CA 92691
Phone: 949-542-8004    Fax: 949-364-3682
Michael Pm Truong, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 26800 Crown Valley Pkwy, Suite 230, Mission Viejo, CA 92691
Phone: 949-364-3330    Fax: 949-364-3682
Erene Nawar Sami, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 26800 Crown Valley Pkwy Ste 485, Mission Viejo, CA 92691
Phone: 949-364-5830    
Dr. Paul A Wehrle, M.D.
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 26800 Crown Valley Pkwy., Suite 100, Mission Viejo, CA 92691
Phone: 949-364-6000    Fax: 949-364-1647
Dr. Brett Michael Wertman, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 27800 Medical Center Rd, Suite 222, Mission Viejo, CA 92691
Phone: 949-276-2446    Fax: 949-276-2449
Dr. Eric Olson Benner, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 26800 Crown Valley Pkwy Ste 315, Mission Viejo, CA 92691
Phone: 949-364-6000    Fax: 949-364-1204
Dr. Richard Jacob, M.D.
Rheumatology
Medicare: Medicare Enrolled
Practice Location: 26800 Crown Valley Pkwy, Suite 250, Mission Viejo, CA 92691
Phone: 949-364-3570    Fax: 949-364-3430

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