THOMAS A DILLER CRNA
NPI 1932297835
Nurse Anesthetist, Certified Registered in Chattanooga, TN
About Thomas A Diller Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS A DILLER CRNA (NPI 1932297835) is an individual nurse anesthetist, certified registered in Chattanooga, Tennessee, licensed in Tennessee (APN12225) and active in the NPI registry since October 2006. He is affiliated with Memorial Healthcare System, Inc and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Thomas A Diller Crna 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 Thomas Diller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chattanooga, TN 37411
- Reassigned Medicare billing, Georgia and Tennessee enrollments
- 242 clinicians in this Medicare group
Knoxville, TN 37916
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: American Anesthesiology Of Tennessee PC
- 959 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.
Memorial Healthcare System, Inc
Acute Care Hospitals · Chattanooga, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37404 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.
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
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 Diller's NPI number?
The NPI number for Thomas Diller is 1932297835. It was assigned to this individual provider in the NPPES registry on October 10, 2006.
Where is Thomas Diller located?
Thomas Diller practices at 2341 Mccallie Ave Suite 402, Chattanooga, TN 37404. The listed phone number is (423) 698-3309.
What is Thomas Diller's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Thomas Diller enrolled in Medicare?
Yes. Thomas Diller 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 Diller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Diller reassigns Medicare benefits to 2 organizations: Memorial Health Partners Foundation, Inc (Chattanooga, TN) and American Anesthesiology Of Tennessee, P.C. (Knoxville, TN). 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 Diller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Diller accept?
Health plans from Alliant Health Plans, Inc. list Thomas Diller 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 Thomas Diller affiliated with any hospitals?
According to CMS data, Thomas Diller is affiliated with Memorial Healthcare System, Inc.
When was this NPI record last updated?
The NPPES record for Thomas Diller was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Thomas A Diller, CRNA · NPI 1932297835
Nurse Anesthetist, Certified Registered physician in Chattanooga, Tennessee. Individual provider, active in the CMS NPPES registry since October 10, 2006.
## Identity
- **NPI:** 1932297835 (Entity type: Individual)
- **Enumerated:** October 10, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** APN12225 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 2341 MCCALLIE AVE, SUITE 402, Chattanooga, TN 37404-3239
- **Phone:** (423) 698-3309 · **Fax:** (423) 624-6355
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Memorial Health Partners Foundation, Inc (NPI 1922053545, Chattanooga, TN); American Anesthesiology Of Tennessee, P.C. (NPI 1245279777, Knoxville, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** July 9, 2007
- **Other identifiers:** Medicaid 3636857 (TN); Other P00386800; Other 4137589 (TN); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1932297835) · Data from the CMS NPPES public registry.