CLAUDIA XIOMARA UBINAS FRIAS MD
NPI 1215227392
Internal Medicine in San Antonio, TX
About Claudia Xiomara Ubinas Frias Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLAUDIA XIOMARA UBINAS FRIAS MD (NPI 1215227392) is an individual internal medicine provider in San Antonio, Texas, licensed in Texas (Q0375) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses 2
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
Claudia Xiomara Ubinas Frias 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 Claudia Ubinas Frias reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78214
- Reassigned Medicare billing, Texas enrollment
- 125 clinicians in this Medicare group
San Antonio, TX 78214
- Reassigned Medicare billing, Texas enrollment
- 26 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Texas enrollment
- 2,009 clinicians in this Medicare group
Dallas, TX 75231
- Reassigned Medicare billing, Texas enrollment
- 1,208 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78214 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
SAN ANTONIO, TX 78214
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 Claudia Ubinas Frias's NPI number?
The NPI number for Claudia Ubinas Frias is 1215227392. It was assigned to this individual provider in the NPPES registry on April 11, 2011.
Where is Claudia Ubinas Frias located?
Claudia Ubinas Frias practices at 720 Pleasanton Rd, San Antonio, TX 78214. The listed phone number is (210) 921-3800.
What is Claudia Ubinas Frias's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Claudia Ubinas Frias enrolled in Medicare?
Yes. Claudia Ubinas Frias 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 Claudia Ubinas Frias's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Claudia Ubinas Frias reassigns Medicare benefits to 4 organizations: Gmg Health Systems Associates PA (San Antonio, TX), South Texas Ancillary Services, Ltd (San Antonio, TX), Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX) and Cogent Healthcare Of Texas, PA (Dallas, 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 Claudia Ubinas Frias's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Claudia Ubinas Frias accept?
Health plans from Blue Cross and Blue Shield of Texas and WellPoint list Claudia Ubinas Frias 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 Claudia Ubinas Frias was last updated on March 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Claudia Xiomara Ubinas Frias, MD · NPI 1215227392
Internal Medicine physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since April 11, 2011.
## Identity
- **NPI:** 1215227392 (Entity type: Individual)
- **Enumerated:** April 11, 2011
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** Q0375 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 720 PLEASANTON RD, San Antonio, TX 78214-1343
- **Phone:** (210) 921-3800
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Gmg Health Systems Associates PA (NPI 1023030160, San Antonio, TX); South Texas Ancillary Services, Ltd (NPI 1063670289, San Antonio, TX); Hospitalist Medicine Physicians Of Texas, PLLC (NPI 1629307095, Humble, TX); Cogent Healthcare Of Texas, PA (NPI 1992722953, Dallas, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** March 21, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1215227392) · Data from the CMS NPPES public registry.