DR. LUIS LEOPOLDO LLAMAS MD
NPI 1861699084
Anesthesiology in Dallas, TX
About Dr. Luis Leopoldo Llamas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LUIS LEOPOLDO LLAMAS MD (NPI 1861699084) is an individual anesthesiology provider in Dallas, Texas, licensed in Texas (N5197) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Ut Southwestern University Hospital - William P. Clements Jr., and maintains a secondary practice location in San Antonio.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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
Dr. Luis Leopoldo Llamas 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
4Medicare enrollment records show Luis Llamas reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dallas, TX 75235
- Reassigned Medicare billing, Texas enrollment
- 5,299 clinicians in this Medicare group
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
- 3,804 clinicians in this Medicare group
Boerne, TX 78015
- Reassigned Medicare billing, Texas enrollment
- 2,397 clinicians in this Medicare group
San Antonio, TX 78258
- Reassigned Medicare billing, Texas enrollment
- 226 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ut Southwestern University Hospital - William P. Clements Jr.
Acute Care Hospitals · Dallas, TXMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DALLAS, TX 75240
DALLAS, TX 75240
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 Luis Llamas's NPI number?
The NPI number for Luis Llamas is 1861699084. It was assigned to this individual provider in the NPPES registry on June 29, 2007.
Where is Luis Llamas located?
Luis Llamas practices at 6606 Lbj Fwy Ste 200, Dallas, TX 75240. The listed phone number is (972) 715-5000.
What is Luis Llamas's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Luis Llamas enrolled in Medicare?
Yes. Luis Llamas 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 Luis Llamas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Luis Llamas reassigns Medicare benefits to 4 organizations: University Of Texas Southwestern Medical Center At Dallas (Dallas, TX), U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), University Of Texas Health Science Center At San Antonio (Boerne, TX) and Tejas Anesthesia PLLC (San Antonio, 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 Luis Llamas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Luis Llamas accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas and Molina Healthcare list Luis Llamas 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 Luis Llamas affiliated with any hospitals?
According to CMS data, Luis Llamas is affiliated with Ut Southwestern University Hospital - William P. Clements Jr..
When was this NPI record last updated?
The NPPES record for Luis Llamas was last updated on May 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Luis Leopoldo Llamas, MD · NPI 1861699084
Anesthesiology physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since June 29, 2007.
## Identity
- **NPI:** 1861699084 (Entity type: Individual)
- **Enumerated:** June 29, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** N5197 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 6606 LBJ FWY STE 200, Dallas, TX 75240-6524
- **Phone:** (972) 715-5000 · **Fax:** (972) 715-9976
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): University Of Texas Southwestern Medical Center At Dallas (NPI 1043418205, Dallas, TX); U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX); University Of Texas Health Science Center At San Antonio (NPI 1417921834, Boerne, TX); Tejas Anesthesia PLLC (NPI 1659027910, San Antonio, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** May 31, 2022
- **Other identifiers:** Medicaid 214329901 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1861699084) · Data from the CMS NPPES public registry.