DR. THOMAS ONSTOTT CRNA, DNP
NPI 1851767529
Nurse Anesthetist, Certified Registered in San Antonio, TX
About Dr. Thomas Onstott Crna, Dnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS ONSTOTT CRNA, DNP (NPI 1851767529) is an individual nurse anesthetist, certified registered in San Antonio, Texas, licensed in Tennessee (20204) and active in the NPI registry since August 2015. He maintains a secondary practice location in Nashville and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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. Thomas Onstott Crna, Dnp 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 Thomas Onstott reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 2,397 clinicians in this Medicare group
Fort Worth, TX 76109
- Reassigned Medicare billing, Texas enrollment
- 1,612 clinicians in this Medicare group
Addison, TX 75001
- Reassigned Medicare billing, Texas enrollment
- 513 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78249 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN ANTONIO, TX 78249
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 Thomas Onstott's NPI number?
The NPI number for Thomas Onstott is 1851767529. It was assigned to this individual provider in the NPPES registry on August 18, 2015.
Where is Thomas Onstott located?
Thomas Onstott practices at 7946 N Loop 1604 W, San Antonio, TX 78249. The listed phone number is (210) 567-9100.
What is Thomas Onstott's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Thomas Onstott enrolled in Medicare?
Yes. Thomas Onstott 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 Thomas Onstott's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Onstott reassigns Medicare benefits to 3 organizations: The University Of Texas Health Science Center At San Antonio (San Antonio, TX), Emergenchealth PLLC (Fort Worth, TX) and Orthomed Staffing LLC (Addison, 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 Thomas Onstott's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Onstott accept?
Health plans from Blue Cross and Blue Shield of Texas, Community First and Imperial Insurance Companies, Inc. list Thomas Onstott 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 Thomas Onstott was last updated on September 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Thomas Onstott, CRNA, DNP · NPI 1851767529
Nurse Anesthetist, Certified Registered physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since August 18, 2015.
## Identity
- **NPI:** 1851767529 (Entity type: Individual)
- **Enumerated:** August 18, 2015
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 20204 (Tennessee)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 7946 N LOOP 1604 W, San Antonio, TX 78249-5174
- **Phone:** (210) 567-9100 · **Fax:** (210) 450-2165
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): The University Of Texas Health Science Center At San Antonio (NPI 1326829904, San Antonio, TX); Emergenchealth PLLC (NPI 1467970897, Fort Worth, TX); Orthomed Staffing LLC (NPI 1225514276, Addison, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** September 12, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1851767529) · Data from the CMS NPPES public registry.