ANN M KOSS CRNA
NPI 1588650360
Nurse Anesthetist, Certified Registered in Jackson, TN
About Ann M Koss Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN M KOSS CRNA (NPI 1588650360) is an individual nurse anesthetist, certified registered in Jackson, Tennessee, licensed in Tennessee (12142) and active in the NPI registry since September 2005. She is affiliated with Physicians Regional Medical Center and is a graduate of State University Of New York At Buffalo School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Ann M Koss 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
9Medicare enrollment records show Ann Koss reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jackson, TN 38301
- Reassigned Medicare billing, Tennessee enrollment
- 190 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
Stone Mountain, GA 30087
- Reassigned Medicare billing, Georgia enrollment
- 650 clinicians in this Medicare group
Christiansburg, VA 24073
- Reassigned Medicare billing, Virginia enrollment
- 63 clinicians in this Medicare group
Burlington, NC 27215
- Reassigned Medicare billing, North Carolina enrollment
- 652 clinicians in this Medicare group
Jacksonville, FL 32204
- Reassigned Medicare billing, Florida enrollment
- 177 clinicians in this Medicare group
Winchester, VA 22603
- Reassigned Medicare billing, Virginia enrollment
- 104 clinicians in this Medicare group
Leesburg, VA 20176
- Reassigned Medicare billing, Virginia enrollment
- 1,217 clinicians in this Medicare group
Sunrise, FL 33323
- Reassigned Medicare billing, Florida enrollment
- 169 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.
Physicians Regional Medical Center
Acute Care Hospitals · Powell, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38301 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 15
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 Ann Koss's NPI number?
The NPI number for Ann Koss is 1588650360. It was assigned to this individual provider in the NPPES registry on September 27, 2005.
Where is Ann Koss located?
Ann Koss practices at 810 W Forest Ave, Jackson, TN 38301. The listed phone number is (731) 668-1853.
What is Ann Koss's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Ann Koss enrolled in Medicare?
Yes. Ann Koss 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 Ann Koss's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Koss reassigns Medicare benefits to 9 organizations: Medical Center Anesthesia Inc. (Jackson, TN), American Anesthesiology Of Tennessee, P.C. (Knoxville, TN), American Anesthesiology Associates Of Georgia, LLC (Stone Mountain, GA), Anesthesiology Associates Of Radford Inc (Christiansburg, VA), American Anesthesiology Of North Carolina, PLLC (Burlington, NC) and 4 more organizations, listed in the Medicare section above. 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 Ann Koss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Koss accept?
Health plans from Oscar Health, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Ann Koss 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 Ann Koss affiliated with any hospitals?
According to CMS data, Ann Koss is affiliated with Physicians Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Ann Koss was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Ann M Koss, CRNA · NPI 1588650360
Nurse Anesthetist, Certified Registered physician in Jackson, Tennessee. Individual provider, active in the CMS NPPES registry since September 27, 2005.
## Identity
- **NPI:** 1588650360 (Entity type: Individual)
- **Enumerated:** September 27, 2005
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 12142 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 810 W FOREST AVE, Jackson, TN 38301-3942
- **Phone:** (731) 668-1853 · **Fax:** (731) 664-7731
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Medical Center Anesthesia Inc. (NPI 1447591730, Jackson, TN); American Anesthesiology Of Tennessee, P.C. (NPI 1245279777, Knoxville, TN); American Anesthesiology Associates Of Georgia, LLC (NPI 1528068673, Stone Mountain, GA); Anesthesiology Associates Of Radford Inc (NPI 1407878465, Christiansburg, VA); American Anesthesiology Of North Carolina, PLLC (NPI 1053677195, Burlington, NC); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Buffalo School Of Medicine, class of 2005
## Record status
- **NPPES last updated:** August 25, 2026
- **Other identifiers:** Medicaid 3635317 (TN)
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Source: [NPI Profile](https://npiprofile.com/npi/1588650360) · Data from the CMS NPPES public registry.