DR. JACK HAROLD FIELDS III CRNA, DNP
NPI 1891342028
Nurse Anesthetist, Certified Registered in Jackson, TN
About Dr. Jack Harold Fields Iii Crna, Dnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JACK HAROLD FIELDS III CRNA, DNP (NPI 1891342028) is an individual nurse anesthetist, certified registered in Jackson, Tennessee, licensed in Tennessee (124343) and active in the NPI registry since August 2019. He is affiliated with Jackson-madison County General Hospital and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
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. Jack Harold Fields Iii 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 Reassignment
Medicare enrollment records show Jack Fields reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Jackson, TN 38301
- Reassigned Medicare billing, Tennessee enrollment
- 190 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Jackson-Madison County General Hospital
Acute Care Hospitals · Jackson, 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JACKSON, TN 38301
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 Jack Fields's NPI number?
The NPI number for Jack Fields is 1891342028. It was assigned to this individual provider in the NPPES registry on August 22, 2019.
Where is Jack Fields located?
Jack Fields practices at 620 Skyline Dr, Jackson, TN 38301. The listed phone number is (731) 541-5000.
What is Jack Fields's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Jack Fields enrolled in Medicare?
Yes. Jack Fields 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 organization bills Medicare for Jack Fields's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jack Fields reassigns Medicare benefits to Medical Center Anesthesia Inc. (Jackson, TN). The 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 Jack Fields's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jack Fields accept?
Health plans from Cigna Healthcare list Jack Fields 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 Jack Fields affiliated with any hospitals?
According to CMS data, Jack Fields is affiliated with Jackson-Madison County General Hospital.
When was this NPI record last updated?
The NPPES record for Jack Fields was last updated on August 26, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Jack Harold Fields III, CRNA, DNP · NPI 1891342028
Nurse Anesthetist, Certified Registered physician in Jackson, Tennessee. Individual provider, active in the CMS NPPES registry since August 22, 2019.
## Identity
- **NPI:** 1891342028 (Entity type: Individual)
- **Enumerated:** August 22, 2019
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 124343 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 620 SKYLINE DR, Jackson, TN 38301-3923
- **Phone:** (731) 541-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Medical Center Anesthesia Inc. (NPI 1447591730, Jackson, TN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** August 26, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1891342028) · Data from the CMS NPPES public registry.