NPI age
5 years
Enumerated 2021-04-07
● Active Type 2 · Organization
Southern Physician Group Management Llc
Southern Physician Group Management Llc is 1 of 12343 internal medicine organizations in Texas.
Primary specialty
Internal Medicine
Plus 1 secondary
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Douglass
President
Last NPPES update
2022-07-26
Source: monthly bulk 2026-05
How this organization compares
Across 12343 active internal medicine providers in Texas.
NPI age
5 years
↓ 12 yr below median
Practice locations
1
0 secondary on file
Subspecialties
1
In the 33% of peers with subspecialties
NPI lifetime · 2021 → 2026
2021-04Enumerated in NPPES
2021
2026
Where they practice
Primary practice location
1204 N Mound St
Nacogdoches, TX 759614027
Mailing address
Po Box 200039
Dallas, TX 753200039
Authorized official
Grant Douglass
President
📞 3617290646
Individual providers at this organization
20 individual providers on file at this primary practice address.
- Mary Calme, M.D. Radiology NPI 1104875087
- John Copen, CRNA Nurse Anesthetist, Certified Registered NPI 1942447008
- Michele Curtis, M.D. Family Medicine NPI 1942470208
- Ronald Freeland, C.R.N.A. Nurse Anesthetist, Certified Registered NPI 1174590442
- Allen Grisson, M.D. Radiology NPI 1700836335
- Sabrina Guillory, CNM Advanced Practice Midwife NPI 1104821180
- Steven Hickey, APRN Nurse Practitioner NPI 1710633441
- Nancy Hill, R.D. Dietitian, Registered NPI 1760634604
- Vanessa Hooper, MS, RD/LD Dietitian, Registered NPI 1700195013
- Malcolm Lyon, DO Emergency Medicine NPI 1487708624
- Lawrence Monlezun, CRNA, MSA Nurse Anesthetist, Certified Registered NPI 1801940770
- James Newberg, CRNA Nurse Anesthetist, Certified Registered NPI 1336292838
- Brenda Riggs, M.D. Family Medicine NPI 1699893396
- Lawrence Robinson, MD Family Medicine NPI 1013037696
- Marti Rodriguez, MS, RD, LD Dietitian, Registered NPI 1942581756
- Irma Sainz, MD Pathology NPI 1720263601
- David Thomas, M.D. Family Medicine NPI 1710233846
- Gregory Wallis, CRNA Nurse Anesthetist, Certified Registered NPI 1376698290
- Christy Webb, LMSW General Acute Care Hospital NPI 1275710634
- Wallace Womack, CRNA Nurse Anesthetist, Certified Registered NPI 1154691327
Specialties
-
Internal Medicine PrimaryA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
-
Emergency MedicineAn emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department....
Practice context
Multi-provider organization. 20 individual providers on file at this primary address.
Provyx · Custom healthcare lists
Need all 12343 Internal Medicine providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
Request a quote →How to verify this organization
- 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.