MS. MILLICENT COOK CRNA
NPI 1023073012
Nurse Anesthetist, Certified Registered in Memphis, TN
About Ms. Millicent Cook Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MILLICENT COOK CRNA (NPI 1023073012) is an individual nurse anesthetist, certified registered in Memphis, Tennessee, licensed in Tennessee (31935) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Hattiesburg.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Millicent Cook Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Millicent Cook reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gulfport, MS 39503
- Reassigned Medicare billing, Mississippi enrollment
- 65 clinicians in this Medicare group
Pascagoula, MS 39581
- Reassigned Medicare billing, Mississippi enrollment
- 53 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.
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38120 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.
MEMPHIS, TN 38120
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 Millicent Cook's NPI number?
The NPI number for Millicent Cook is 1023073012. It was assigned to this individual provider in the NPPES registry on April 20, 2006.
Where is Millicent Cook located?
Millicent Cook practices at 6019 Walnut Grove Rd, Memphis, TN 38120. The listed phone number is (901) 226-5000.
What is Millicent Cook's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Millicent Cook enrolled in Medicare?
Yes. Millicent Cook is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Millicent Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Millicent Cook reassigns Medicare benefits to 3 organizations: Singing River Gulfport (Gulfport, MS), Singing River Health System (Pascagoula, MS) 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 Millicent Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Millicent Cook accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 1 other insurer list Millicent Cook 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 Millicent Cook was last updated on September 9, 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.
# Ms. Millicent Cook, CRNA · NPI 1023073012
Nurse Anesthetist, Certified Registered physician in Memphis, Tennessee. Individual provider, active in the CMS NPPES registry since April 20, 2006.
## Identity
- **NPI:** 1023073012 (Entity type: Individual)
- **Enumerated:** April 20, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 31935 (Tennessee)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6019 WALNUT GROVE RD, Memphis, TN 38120-2113
- **Phone:** (901) 226-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Singing River Gulfport (NPI 1780312504, Gulfport, MS); Singing River Health System (NPI 1740918937, Pascagoula, MS); American Anesthesiology Of Tennessee, P.C. (NPI 1245279777, Knoxville, TN) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 9, 2022
- **Other identifiers:** Other 2208630 (MS); Other 302I432501 (MS); Other 3150317 (MS); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1023073012) · Data from the CMS NPPES public registry.