Stephen Walter Williams, DO - Medicare Family Practice in Anthem, AZ

Stephen Walter Williams, DO is a medicare enrolled "Family Medicine" physician in Anthem, Arizona. He graduated from medical school in 1987 and has 37 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Summit Medical Group Arizona Llc and his current practice location is 3648 W Anthem Way, Bldg A-100, Anthem, Arizona. You can reach out to his office (for appointments etc.) via phone at (623) 434-6444.

Stephen Walter Williams is licensed to practice in Arizona (license number 2443) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1902933823.

Contact Information

Stephen Walter Williams, DO
3648 W Anthem Way, Bldg A-100,
Anthem, AZ 85086-7001
(623) 434-6444
(623) 434-6448

Map and Direction




Physician's Profile

Full NameStephen Walter Williams
GenderMale
SpecialityFamily Practice
Experience37 Years
Location3648 W Anthem Way, Anthem, Arizona
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Stephen Walter Williams graduated from medical school in 1987
  NPI Data:
  • NPI Number: 1902933823
  • Provider Enumeration Date: 02/27/2007
  • Last Update Date: 09/24/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 6103833702
  • Enrollment ID: I20060307000360

Medical Identifiers

Medical identifiers for Stephen Walter Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902933823NPI-NPPES
281098MedicaidAZ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 2443 (Arizona)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Summit Medical Group Arizona Llc3173872835198

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. Stephen Walter Williams allows following entities to bill medicare on his behalf.
Entity NameSummit Medical Group Arizona Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053810622
PECOS PAC ID: 3173872835
Enrollment ID: O20180814003015

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. Stephen Walter Williams 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
Stephen Walter Williams, DO
2500 W Utopia Rd, Ste. 100,
Phoenix, AZ 85027-4171

Ph: (602) 214-6148
Stephen Walter Williams, DO
3648 W Anthem Way, Bldg A-100,
Anthem, AZ 85086-7001

Ph: (623) 434-6444

Reviews and Comments


Family Medicine Doctors in Anthem, AZ

Melanie Christine Patton, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3648 W Anthem Way, A-100, Anthem, AZ 85086
Phone: 623-434-6444    Fax: 623-434-6448
Emily Winett, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 3648 W Anthem Way, Bldg A100, Anthem, AZ 85086
Phone: 623-434-6444    Fax: 623-434-6448
Dr. Randy D Horn, DO
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 41810 N Venture Dr, Building C-120, Anthem, AZ 85086
Phone: 623-551-2516    Fax: 623-551-2475
Dr. Patrick Martin Rost, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: Anthem Va Cboc, 3618 W. Anthem Way; D-120, Anthem, AZ 85086
Phone: 623-551-6092    
Jocelyn Bowker, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3648 W Anthem Way Ste A100, Anthem, AZ 85086
Phone: 623-434-6444    
John Pham, D.O.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 3648 W Anthem Way, Suite A100, Anthem, AZ 85086
Phone: 623-434-6444    Fax: 623-434-6448

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.