William C Steffan, MD - Medicare Family Medicine in Laguna Niguel, CA

  1. Home
  2. Family Medicine
  3. CA
  4. Laguna Niguel
William C Steffan, MD is a medicare enrolled "Family Medicine" physician in Laguna Niguel, California. His current practice location is 27231 La Paz Rd, #a, Laguna Niguel, California. You can reach out to his office (for appointments etc.) via phone at (949) 643-9111.

William C Steffan is licensed to practice in California (license number G42830) 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 1790758431.

Contact Information

William C Steffan, MD
27231 La Paz Rd, #a,
Laguna Niguel, CA 92677
(949) 643-9111
(949) 643-8916

Map and Direction




Physician's Profile

Full NameWilliam C Steffan
GenderMale
SpecialityFamily Medicine
Location27231 La Paz Rd, Laguna Niguel, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1790758431
  • Provider Enumeration Date: 02/13/2006
  • Last Update Date: 06/25/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 2860672623
  • Enrollment ID: I20110210001018

Medical Identifiers

Medical identifiers for William C Steffan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1790758431NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine G42830 (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. William C Steffan 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

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. William C Steffan 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
William C Steffan, MD
26522 La Alameda, Suite 120,
Mission Viejo, CA 92691-6330

Ph: (949) 282-1671		William C Steffan, MD
27231 La Paz Rd, #a,
Laguna Niguel, CA 92677

Ph: (949) 643-9111

Reviews and Comments


Family Medicine Doctors in Laguna Niguel, CA

Timothy P Huston, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 27231 La Paz Rd, #a, Laguna Niguel, CA 92677
Phone: 949-643-9111    Fax: 949-643-8916
Dr. Michael Vance Molyneaux, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 30011 Ivy Glenn Dr Ste 215, Laguna Niguel, CA 92677
Phone: 949-403-0828    Fax: 949-481-9353
Paul Daniel Corona, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 30011 Ivy Glenn Dr, Suite 216, Laguna Niguel, CA 92677
Phone: 949-481-0118    Fax: 949-349-1940
Jonathan Changhung Tsao, D.O
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 27321 La Paz Rd Ste A, Laguna Niguel, CA 92677
Phone: 949-643-9111    
Dr. Brian Shin, DO
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 27231 La Paz Rd Ste A, Laguna Niguel, CA 92677
Phone: 949-643-9111    
Christopher Michael Davis, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 25500 Rancho Niguel Rd, Suite 100, Laguna Niguel, CA 92677
Phone: 949-643-0500    Fax: 949-643-3748
Alexa Gozali, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 30131 Town Center Dr Ste 135, Laguna Niguel, CA 92677
Phone: 949-363-9595    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.