Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Stephen Walter Williams, DO

Individual provider Family Medicine Physician · NPI 1902933823

Stephen Walter Williams, DO is a Family Practice in Anthem, Arizona. Qualified in 1987, 39 years ago. Practices with Summit Medical Group Arizona LLC, a 153-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Arizona.

Years since qualifying
39
Licensed in
AZ
In the registry since
2007
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

3648 W Anthem Way Bldg A-100
Anthem, AZ 85086-7001
Phone: (623) 434-6444
Fax: (623) 434-6448
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 2443 (AZ)

Record details

NPI number1902933823
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedFebruary 27, 2007
Last updated in NPPESSeptember 24, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Summit Medical Group Arizona Llc — 153 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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