DR. ERIC MATTHEW SASS D.O.
NPI 1043671571
Internal Medicine in Corpus Christi, TX
About Dr. Eric Matthew Sass D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIC MATTHEW SASS D.O. (NPI 1043671571) is an individual internal medicine provider in Corpus Christi, Texas, licensed in Texas (R0947) and active in the NPI registry since March 2016. 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
Other Names 1
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
Dr. Eric Matthew Sass D.o. 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
5Medicare enrollment records show Eric Sass reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Longview, TX 75601
- Reassigned Medicare billing, Texas enrollment
- 272 clinicians in this Medicare group
Decatur, TX 76234
- Reassigned Medicare billing, Texas enrollment
- 73 clinicians in this Medicare group
Bonham, TX 75418
- Reassigned Medicare billing, Texas enrollment
- 105 clinicians in this Medicare group
Texarkana, TX 75501
- Reassigned Medicare billing, Texas enrollment
- 48 clinicians in this Medicare group
Texarkana, TX 75503
- Reassigned Medicare billing, Texas enrollment
- 128 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 4
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.
Christus St Michael Health System
Acute Care Hospitals · Texarkana, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78412 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
CORPUS CHRISTI, TX 78412
CORPUS CHRISTI, TX 78412
CORPUS CHRISTI, TX 78412
CORPUS CHRISTI, TX 78412
CORPUS CHRISTI, TX 78412
CORPUS CHRISTI, TX 78412
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 Eric Sass's NPI number?
The NPI number for Eric Sass is 1043671571. It was assigned to this individual provider in the NPPES registry on March 10, 2016. The provider is also known as Eric Sass Do.
Where is Eric Sass located?
Eric Sass practices at 7101 S Padre Island Dr Ccmc - Graduate Medical Education Office, Corpus Christi, TX 78412. The listed phone number is (361) 761-3280.
What is Eric Sass's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Eric Sass enrolled in Medicare?
Yes. Eric Sass 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 Eric Sass's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Sass reassigns Medicare benefits to 5 organizations: Northeast Texas Emergency Physicians, PLLC (Longview, TX), Wise Emergency Medicine Associates PA (Decatur, TX), Concord North Texas, PLLC (Bonham, TX), Texarkana Emergency Physicians PLLC (Texarkana, TX) and Union Emergency Physicians, PLLC (Texarkana, 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 Eric Sass's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eric Sass accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Health Advantage, Octave and Oscar Health and 1 other insurer list Eric Sass 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 Eric Sass affiliated with any hospitals?
According to CMS data, Eric Sass is affiliated with Christus St Michael Health System.
When was this NPI record last updated?
The NPPES record for Eric Sass was last updated on September 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. Eric Matthew Sass, D.O. · NPI 1043671571
Internal Medicine physician in Corpus Christi, Texas. Individual provider, active in the CMS NPPES registry since March 10, 2016.
## Identity
- **NPI:** 1043671571 (Entity type: Individual)
- **Enumerated:** March 10, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** R0947 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 7101 S PADRE ISLAND DR, CCMC - GRADUATE MEDICAL EDUCATION OFFICE, Corpus Christi, TX 78412-4913
- **Phone:** (361) 761-3280 · **Fax:** (361) 761-3689
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Northeast Texas Emergency Physicians, PLLC (NPI 1114607611, Longview, TX); Wise Emergency Medicine Associates PA (NPI 1366558264, Decatur, TX); Concord North Texas, PLLC (NPI 1952761173, Bonham, TX); Texarkana Emergency Physicians PLLC (NPI 1871813345, Texarkana, TX); Union Emergency Physicians, PLLC (NPI 1023798501, Texarkana, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Arizona College Of Osteopathic Medicine Mid Western University, class of 2014
## Record status
- **NPPES last updated:** September 26, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1043671571) · Data from the CMS NPPES public registry.