MARY CHANDLER OVERSTREET
NPI 1801278221
Nurse Anesthetist, Certified Registered in Knoxville, TN
About Mary Chandler Overstreet NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY CHANDLER OVERSTREET (NPI 1801278221) is an individual nurse anesthetist, certified registered in Knoxville, Tennessee, licensed in Tennessee (20242) and active in the NPI registry since June 2015. She is a graduate of University Of Tennessee, Hsc, College Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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
Mary Chandler Overstreet 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
4Medicare enrollment records show Mary Overstreet reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Knoxville, TN 37916
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: American Anesthesiology Of Tennessee PC
- 959 clinicians in this Medicare group
Lenoir City, TN 37772
- Reassigned Medicare billing, Tennessee enrollment
- 124 clinicians in this Medicare group
Maryville, TN 37804
- Reassigned Medicare billing, Tennessee enrollment
- 40 clinicians in this Medicare group
Nashville, TN 37203
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: Anesthesia Medical Group, P.C.
- 757 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 37923 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.
KNOXVILLE, TN 37923
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 Mary Overstreet's NPI number?
The NPI number for Mary Overstreet is 1801278221. It was assigned to this individual provider in the NPPES registry on June 22, 2015. The provider is also known as Mary Chandler Overstreet Crna.
Where is Mary Overstreet located?
Mary Overstreet practices at 9352 Park West Blvd, Knoxville, TN 37923. The listed phone number is (865) 373-1000.
What is Mary Overstreet's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mary Overstreet enrolled in Medicare?
Yes. Mary Overstreet 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 Mary Overstreet's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Overstreet reassigns Medicare benefits to 4 organizations: American Anesthesiology Of Tennessee, P.C. (Knoxville, TN), Resource Anesthesia, P.C. (Lenoir City, TN), Foothills Anesthesia Associates PC (Maryville, TN) and Anesthesia Medical Group, PC (Nashville, 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 Mary Overstreet's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Overstreet accept?
Health plans from Cigna Healthcare and Oscar Insurance Company list Mary Overstreet 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 Mary Overstreet was last updated on September 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mary Chandler Overstreet · NPI 1801278221
Nurse Anesthetist, Certified Registered physician in Knoxville, Tennessee. Individual provider, active in the CMS NPPES registry since June 22, 2015.
## Identity
- **NPI:** 1801278221 (Entity type: Individual)
- **Enumerated:** June 22, 2015
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 20242 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 9352 PARK WEST BLVD, Knoxville, TN 37923-4325
- **Phone:** (865) 373-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): American Anesthesiology Of Tennessee, P.C. (NPI 1245279777, Knoxville, TN); Resource Anesthesia, P.C. (NPI 1033162045, Lenoir City, TN); Foothills Anesthesia Associates PC (NPI 1285873380, Maryville, TN); Anesthesia Medical Group, PC (NPI 1215932413, Nashville, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Tennessee, Hsc, College Of Medicine, class of 2014
## Record status
- **NPPES last updated:** September 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1801278221) · Data from the CMS NPPES public registry.