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

Gwynn R Patterson MD PLLC

Organization Obstetrics & Gynecology Physician · NPI 1013129923

Gwynn R Patterson MD PLLC is an Obstetrics & Gynecology Physician in Sierra Vista, Arizona. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

4990 E Mediterranean Dr Ste C
Sierra Vista, AZ 85635-2495
Phone: (520) 417-2229
Fax: (520) 417-2226
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X

Record details

NPI number1013129923
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Gwynn Patterson — Physician · (520) 417-2229
NPI enumeratedMay 4, 2007
Last updated in NPPESFebruary 19, 2026
Certification dateFebruary 19, 2026
Mailing address4990 E Mediterranean Dr Ste C, Sierra Vista, AZ 85635-2495

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