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

Gary Smithson, DO

Individual provider Family Medicine Physician · NPI 1891483731

Gary Smithson, DO is a Family Practice in San Tan Valley, Arizona. Qualified in 2023, 3 years ago. Practices with Access Wellness Resources, a 37-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
3
Licensed in
AZ
In the registry since
2023
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

36543 N Gantzel Rd Ste 102
San Tan Valley, AZ 85140-7347
Phone: (480) 401-1811
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 011342 (AZ)

Record details

NPI number1891483731
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 27, 2023
Last updated in NPPESMay 12, 2026
Certification dateMay 12, 2026

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Access Wellness Resources — 37 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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