DR. MARK ALFORD RANDEL M.D.
NPI 1629103619
Surgery - Vascular Surgery in Nacogdoches, TX
About Dr. Mark Alford Randel M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK ALFORD RANDEL M.D. (NPI 1629103619) is an individual vascular surgery provider in Nacogdoches, Texas, licensed in Texas (H6529) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Christus St Michael Health System, and maintains a secondary practice location in Texarkana.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mark Alford Randel M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Mark Randel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tyler, TX 75702
- Reassigned Medicare billing, Texas enrollment
- 2,745 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Christus St Michael Health System
Acute Care Hospitals · Texarkana, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75965 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NACOGDOCHES, TX 75965
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 Mark Randel's NPI number?
The NPI number for Mark Randel is 1629103619. It was assigned to this individual provider in the NPPES registry on February 22, 2007.
Where is Mark Randel located?
Mark Randel practices at 3618 N University Dr, Nacogdoches, TX 75965. The listed phone number is (936) 568-9993.
What is Mark Randel's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Mark Randel enrolled in Medicare?
Yes. Mark Randel is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Mark Randel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Randel reassigns Medicare benefits to Christus Trinity Clinic Texas (Tyler, TX). The 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 Mark Randel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Randel 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 5 other insurers list Mark Randel 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.
Is Mark Randel affiliated with any hospitals?
According to CMS data, Mark Randel is affiliated with Christus St Michael Health System.
When was this NPI record last updated?
The NPPES record for Mark Randel was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.
# Dr. Mark Alford Randel, M.D. · NPI 1629103619
Vascular Surgery physician in Nacogdoches, Texas. Individual provider, active in the CMS NPPES registry since February 22, 2007.
## Identity
- **NPI:** 1629103619 (Entity type: Individual)
- **Enumerated:** February 22, 2007
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **State license:** H6529 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 3618 N UNIVERSITY DR, Nacogdoches, TX 75965-2539
- **Phone:** (936) 568-9993 · **Fax:** (936) 568-9996
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Christus Trinity Clinic Texas (NPI 1285684225, Tyler, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical Branch At Galveston, class of 1988
## Record status
- **NPPES last updated:** November 3, 2025
- **Other identifiers:** Medicaid 030062603 (TX); Other 00323J (TX); Medicaid 030062604 (TX); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1629103619) · Data from the CMS NPPES public registry.