TANNER NIELSEN DO
NPI 1154077196
Emergency Medicine in Corpus Christi, TX
About Tanner Nielsen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TANNER NIELSEN DO (NPI 1154077196) is an individual emergency medicine provider in Corpus Christi, Texas, licensed in Texas (V9677) and active in the NPI registry since February 2022. He is enrolled in Medicare PECOS, is affiliated with Christus Spohn Hospital Corpus Christi, and is a graduate of Other (2023).
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
Tanner Nielsen Do 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
3Medicare enrollment records show Tanner Nielsen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Alice, TX 78332
- Reassigned Medicare billing, Texas enrollment
- 174 clinicians in this Medicare group
Refugio, TX 78377
- Reassigned Medicare billing, Texas enrollment
- Also billed through NPI 1942240189 (Texas)
- 44 clinicians in this Medicare group
San Marcos, TX 78666
- Reassigned Medicare billing, Texas enrollment
- 137 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Christus Spohn Hospital Corpus Christi
Acute Care Hospitals · Corpus Christi, TXChristus Spohn Hospital Kleberg
Acute Care Hospitals · Kingsville, TXChristus Santa Rosa Hospital-San Marcos
Acute Care Hospitals · San Marcos, TXChristus Spohn Hospital Alice
Acute Care Hospitals · Alice, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78404 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CORPUS CHRISTI, TX 78404
CORPUS CHRISTI, TX 78404
CORPUS CHRISTI, TX 78404
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 Tanner Nielsen's NPI number?
The NPI number for Tanner Nielsen is 1154077196. It was assigned to this individual provider in the NPPES registry on February 28, 2022.
Where is Tanner Nielsen located?
Tanner Nielsen practices at 600 Elizabeth St, Corpus Christi, TX 78404. The listed phone number is (361) 902-4100.
What is Tanner Nielsen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Tanner Nielsen enrolled in Medicare?
Yes. Tanner Nielsen 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 Tanner Nielsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tanner Nielsen reassigns Medicare benefits to 3 organizations: Gulf Coast Emergency Physicians, PLLC (Alice, TX), Refugio County Memorial Hospital District (Refugio, TX) and Comal Emergency Physicians, PLLC (San Marcos, 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 Tanner Nielsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tanner Nielsen accept?
Health plans from Antidote Health of TX, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Oscar Health and Oscar Insurance Company list Tanner Nielsen 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 Tanner Nielsen affiliated with any hospitals?
According to CMS data, Tanner Nielsen is affiliated with Christus Spohn Hospital Corpus Christi, Christus Spohn Hospital Kleberg, Christus Santa Rosa Hospital-San Marcos and Christus Spohn Hospital Alice.
When was this NPI record last updated?
The NPPES record for Tanner Nielsen was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Tanner Nielsen, DO · NPI 1154077196
Emergency Medicine physician in Corpus Christi, Texas. Individual provider, active in the CMS NPPES registry since February 28, 2022.
## Identity
- **NPI:** 1154077196 (Entity type: Individual)
- **Enumerated:** February 28, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** V9677 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 ELIZABETH ST, Corpus Christi, TX 78404-2235
- **Phone:** (361) 902-4100
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Gulf Coast Emergency Physicians, PLLC (NPI 1972286920, Alice, TX); Refugio County Memorial Hospital District (NPI 1821178336, Refugio, TX); Comal Emergency Physicians, PLLC (NPI 1588438675, San Marcos, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** September 5, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1154077196) · Data from the CMS NPPES public registry.