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

Diane C Downing, MD

Individual provider Family Medicine Physician · NPI 1366497786

Diane C Downing, MD is a Family Medicine Physician in Green Valley, Arizona. Licensed in Arizona. Registered with an NPI since 2006.

Licensed in
AZ
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

275 W Continental Rd Ste 141
Green Valley, AZ 85614-2024
Phone: (520) 625-3691
Fax: (520) 547-3994
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 33052 (AZ)

Record details

NPI number1366497786
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2006
Last updated in NPPESAugust 30, 2012
Mailing address81 W Esperanza Blvd, Ste 201, Green Valley, AZ 85614-2667

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