SOUTHSIDE MEDICAL CLINIC
NPI 1205248259
Internal Medicine in Fort Smith, AR
About Southside Medical Clinic NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SOUTHSIDE MEDICAL CLINIC (NPI 1205248259) is a healthcare organization registered as an internal medicine in Fort Smith, Arkansas and active in the NPI registry since May 2014. The organization lists Thuylinh Ho Pham, Physician, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Southside Medical Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by November 30, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Southside Medical Clinic, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Thuylinh Ho Pham MD PLLC's NPI number?
The NPI number for Thuylinh Ho Pham MD PLLC is 1205248259. It was assigned to this organization in the NPPES registry on May 27, 2014. The provider is doing business as Southside Medical Clinic.
Where is Thuylinh Ho Pham MD PLLC located?
Thuylinh Ho Pham MD PLLC is located at 623 S 21st St, Fort Smith, AR 72901. The listed phone number is (479) 441-1500.
What is Thuylinh Ho Pham MD PLLC's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Thuylinh Ho Pham MD PLLC enrolled in Medicare?
Yes. Thuylinh Ho Pham MD PLLC is registered in the Medicare PECOS enrollment system.
When is Thuylinh Ho Pham MD PLLC's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Arkansas, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Thuylinh Ho Pham MD PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Thuylinh Ho Pham MD PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Thuylinh Ho Pham MD PLLC accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Thuylinh Ho Pham MD PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Thuylinh Ho Pham MD PLLC was last updated on May 27, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Southside Medical Clinic · NPI 1205248259
Internal Medicine organization in Fort Smith, Arkansas. Organization record, active in the CMS NPPES registry since May 27, 2014.
## Identity
- **NPI:** 1205248259 (Entity type: Organization)
- **Enumerated:** May 27, 2014
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Legal business name:** Thuylinh Ho Pham Md Pllc
- **Organization subpart:** No
- **Authorized official:** Thuylinh Pham, PHYSICIAN
## Practice location
- **Address:** 623 S 21ST ST, Fort Smith, AR 72901-3914
- **Phone:** (479) 441-1500 · **Fax:** (479) 441-1502
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** November 30, 2026 (Non-DME Part B, Arkansas, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (Internal Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 27, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1205248259) · Data from the CMS NPPES public registry.