NPI age
20 years
Enumerated 2005-07-20
● Active Type 2 · Organization
Southwest Ob/gyn Assoc Llp
Southwest Ob/gyn Assoc Llp is 1 of 4633 obstetrics & gynecology organizations in Texas.
Primary specialty
Obstetrics & Gynecology
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Benton
Administrator
Last NPPES update
2020-05-27
Source: monthly bulk 2026-05
How this organization compares
Across 4633 active obstetrics & gynecology providers in Texas.
NPI age
20 years
↑ 2 yr above median
Practice locations
1
0 secondary on file
Subspecialties
0
NPI lifetime · 2005 → 2026
2005-07Enumerated in NPPES
2005
2026
Where they practice
Primary practice location
16651 Southwest Freeway, Suite 200
Sugar Land, TX 77479
Mailing address
16651 Southwest Fwy Ste 200
Sugar Land, TX 774792347
Authorized official
Michelle Benton
Administrator
📞 7137745131
Individual providers at this organization
2 individual providers on file at this primary practice address.
- Yihharn Hwang, MD Obstetrics & Gynecology NPI 1497319784
- Daniel Williams, MD Obstetrics & Gynecology NPI 1952333098
Specialties
-
Obstetrics & Gynecology PrimaryAn obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 084773301 |
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 →
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- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.