MS. TAMMY SUE COOK RD
NPI 1568765808
Dietitian, Registered in Saint Louis, MO
About Ms. Tammy Sue Cook Rd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. TAMMY SUE COOK RD (NPI 1568765808) is an individual dietitian, registered in Saint Louis, Missouri, licensed in Missouri (2001000724) and active in the NPI registry since December 2010. She maintains a secondary practice location in Saint Louis.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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 (PECOS)
Ms. Tammy Sue Cook Rd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Tammy Cook reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 628 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.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63127
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 Tammy Cook's NPI number?
The NPI number for Tammy Cook is 1568765808. It was assigned to this individual provider in the NPPES registry on December 8, 2010.
Where is Tammy Cook located?
Tammy Cook practices at 3701 S Lindbergh Blvd Ste 205, Saint Louis, MO 63127. The listed phone number is (314) 616-2526.
What is Tammy Cook's specialty?
The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.
Is Tammy Cook enrolled in Medicare?
Yes. Tammy Cook is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Tammy Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Cook reassigns Medicare benefits to Washington University (Saint Louis, MO). 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 Tammy Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammy Cook accept?
Health plans from Anthem Blue Cross and Blue Shield and UnitedHealthcare list Tammy 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 Tammy Cook was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Ms. Tammy Sue Cook, RD · NPI 1568765808
Dietitian, Registered provider in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since December 8, 2010.
## Identity
- **NPI:** 1568765808 (Entity type: Individual)
- **Enumerated:** December 8, 2010
- **Primary specialty:** Dietitian, Registered · taxonomy 133V00000X
- **State license:** 2001000724 (Missouri)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3701 S LINDBERGH BLVD STE 205, Saint Louis, MO 63127-1372
- **Phone:** (314) 616-2526
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Washington University (NPI 1194765685, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 19, 2025
- **Other identifiers:** Medicaid 350082435 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1568765808) · Data from the CMS NPPES public registry.