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
Mailing address2500 W Utopia Rd, Ste. 100, Phoenix, AZ 85027-4171

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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