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

Ralph Adam Patterson, MD

Individual provider Family Medicine Physician · NPI 1558719468

Ralph Adam Patterson, MD is a Family Practice in Saint Johns, Arizona. Qualified in 2016, 10 years ago. Practices with Summit Healthcare Medical Associates, a 73-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
10
Licensed in
AZ
In the registry since
2016
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

625 N 13th W
Saint Johns, AZ 85936-4986
Phone: (928) 337-3000
Fax: (928) 532-3561
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 58002 (AZ)

Record details

NPI number1558719468
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 1, 2016
Last updated in NPPESAugust 6, 2026
Certification dateAugust 6, 2026
Mailing address625 N 13th W, Saint Johns, AZ 85936-4986

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Summit Healthcare Medical Associates — 73 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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