NPI age
12 years
Enumerated 2013-07-18
● Active Type 2 · Organization
Great Southwest Medical Llc
Great Southwest Medical Llc is 1 of 674 clinic/center organizations in Texas.
Primary specialty
Clinic/Center
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Guitreau
Agent
Last NPPES update
2013-07-18
Source: monthly bulk 2026-05
How this organization compares
Across 674 active clinic/center providers in Texas.
NPI age
12 years
≈ at median (11 yr)
Practice locations
1
0 secondary on file
Subspecialties
0
NPI lifetime · 2013 → 2026
2013-07Enumerated in NPPES
2013
2026
Where they practice
Primary practice location
643 S Great Southwest Pkwy, Suite 104
Grand Prairie, TX 750511056
Mailing address
643 S Great Southwest Pkwy, Suite 104
Grand Prairie, TX 750511056
Authorized official
Rhonda R Guitreau
Agent
📞 2143821909
Individual providers at this organization
2 individual providers on file at this primary practice address.
- Michael McCullough, DO Obstetrics & Gynecology NPI 1932135704
- Ralph Wiegman, MD Obstetrics & Gynecology NPI 1508852310
Specialties
-
Clinic/Center PrimaryDefinition to come...
Practice context
Multi-provider organization. 2 individual providers on file at this primary address.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Verify the organization is in good standing.Cross-check with the state's business registration and any applicable licensing boards.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.