SAMUEL DUGGINS LEONARD MD
NPI 1649733551
Surgery - Vascular Surgery in Houston, TX
About Samuel Duggins Leonard Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMUEL DUGGINS LEONARD MD (NPI 1649733551) is an individual vascular surgery provider in Houston, Texas, licensed in Texas (S7907) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Ascension Seton Medical Center Austin, and maintains a secondary practice location in Texarkana.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Samuel Duggins Leonard Md 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 Reassignments
2Medicare enrollment records show Samuel Leonard reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Austin, TX 78712
- Reassigned Medicare billing, Texas enrollment
- 1,188 clinicians in this Medicare group
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension Seton Medical Center Austin
Acute Care Hospitals · Austin, TXDell Seton Med Center At The University Of Tx
Acute Care Hospitals · Austin, TXAscension Seton Northwest
Acute Care Hospitals · Austin, TXAscension Seton Williamson
Acute Care Hospitals · Round Rock, TXAscension Seton Hays
Acute Care Hospitals · Kyle, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77030 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
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 Samuel Leonard's NPI number?
The NPI number for Samuel Leonard is 1649733551. It was assigned to this individual provider in the NPPES registry on April 8, 2019.
Where is Samuel Leonard located?
Samuel Leonard practices at 6400 Fannin St Ste 2850, Houston, TX 77030. The listed phone number is (713) 486-5100.
What is Samuel Leonard's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Samuel Leonard enrolled in Medicare?
Yes. Samuel Leonard 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 organizations bill Medicare for Samuel Leonard's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Leonard reassigns Medicare benefits to 2 organizations: Seton Family Of Doctors (Austin, TX) and Christus Trinity Clinic Texas (Tyler, TX). Each 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 Samuel Leonard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Samuel Leonard accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Harbor Health, Moda Health Plan, Inc. and Oscar Insurance Company and 1 other insurer list Samuel Leonard 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 Samuel Leonard affiliated with any hospitals?
According to CMS data, Samuel Leonard is affiliated with Ascension Seton Medical Center Austin, Dell Seton Med Center At The University Of Tx, Ascension Seton Northwest, Ascension Seton Williamson and Ascension Seton Hays.
When was this NPI record last updated?
The NPPES record for Samuel Leonard was last updated on June 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Samuel Duggins Leonard, MD · NPI 1649733551
Vascular Surgery physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since April 8, 2019.
## Identity
- **NPI:** 1649733551 (Entity type: Individual)
- **Enumerated:** April 8, 2019
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **State license:** S7907 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 6400 FANNIN ST STE 2850, Houston, TX 77030-1540
- **Phone:** (713) 486-5100
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Seton Family Of Doctors (NPI 1588997233, Austin, TX); Christus Trinity Clinic Texas (NPI 1285684225, Tyler, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** June 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1649733551) · Data from the CMS NPPES public registry.