DR. OLIVERIO JOSE ABARCA GUZMAN MD
NPI 1346972940
Internal Medicine in Harlingen, TX
About Dr. Oliverio Jose Abarca Guzman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OLIVERIO JOSE ABARCA GUZMAN MD (NPI 1346972940) is an individual internal medicine provider in Harlingen, Texas, licensed in Texas (V5952) and active in the NPI registry since June 2022. He is enrolled in Medicare PECOS, is affiliated with Vhs Harlingen Hospital Company Llc, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
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. Oliverio Jose Abarca Guzman 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 Oliverio Abarca Guzman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Harlingen, TX 78550
- Reassigned Medicare billing, Texas enrollment
- 52 clinicians in this Medicare group
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- 1,511 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.
Vhs Harlingen Hospital Company LLC
Acute Care Hospitals · Harlingen, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78550 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Oliverio Abarca Guzman's NPI number?
The NPI number for Oliverio Abarca Guzman is 1346972940. It was assigned to this individual provider in the NPPES registry on June 30, 2022.
Where is Oliverio Abarca Guzman located?
Oliverio Abarca Guzman practices at 1725 N Ed Carey Dr, Harlingen, TX 78550. The listed phone number is (956) 389-4382.
What is Oliverio Abarca Guzman's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Oliverio Abarca Guzman enrolled in Medicare?
Yes. Oliverio Abarca Guzman 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 Oliverio Abarca Guzman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oliverio Abarca Guzman reassigns Medicare benefits to 2 organizations: Arroyo Emergency Medicine Services, PA (Harlingen, TX) and Travis County Emergency Physicians PA (Austin, 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 Oliverio Abarca Guzman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Oliverio Abarca Guzman accept?
Health plans from Blue Cross and Blue Shield of Texas and Sendero Health Plans, Local Nonprofit list Oliverio Abarca Guzman 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 Oliverio Abarca Guzman affiliated with any hospitals?
According to CMS data, Oliverio Abarca Guzman is affiliated with Vhs Harlingen Hospital Company LLC.
When was this NPI record last updated?
The NPPES record for Oliverio Abarca Guzman was last updated on July 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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. Oliverio Jose Abarca Guzman, MD · NPI 1346972940
Internal Medicine physician in Harlingen, Texas. Individual provider, active in the CMS NPPES registry since June 30, 2022.
## Identity
- **NPI:** 1346972940 (Entity type: Individual)
- **Enumerated:** June 30, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** V5952 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1725 N ED CAREY DR, Harlingen, TX 78550-8203
- **Phone:** (956) 389-4382
## 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): Arroyo Emergency Medicine Services, PA (NPI 1710834916, Harlingen, TX); Travis County Emergency Physicians PA (NPI 1962440933, Austin, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** July 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1346972940) · Data from the CMS NPPES public registry.