MS. MARY K RINER RD
NPI 1316137227
Dietitian, Registered in Saint Louis, MO
About Ms. Mary K Riner Rd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARY K RINER RD (NPI 1316137227) is an individual dietitian, registered in Saint Louis, Missouri, licensed in Missouri (2007000891) and active in the NPI registry since July 2007. She is a graduate of Saint Louis University School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Ms. Mary K Riner Rd 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
2Medicare enrollment records show Mary Riner reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1992746903 (Missouri)
- 30 clinicians in this Medicare group
Saint Louis, MO 63139
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: Ssm Cardinal Glennon Children's Hospital
- 414 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Riner's NPI number?
The NPI number for Mary Riner is 1316137227. It was assigned to this individual provider in the NPPES registry on July 26, 2007.
Where is Mary Riner located?
Mary Riner practices at 4950 Childrens Pl Div Im Nephrology, Saint Louis, MO 63110. The listed phone number is (314) 362-7209.
What is Mary Riner's specialty?
The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.
Is Mary Riner enrolled in Medicare?
Yes. Mary Riner 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 Riner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Riner reassigns Medicare benefits to 2 organizations: Washington University (Saint Louis, MO) and Ssm Cardinal Glennon Childrens Hospital (Saint Louis, MO). 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 Riner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mary Riner was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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. Mary K Riner, RD · NPI 1316137227
Dietitian, Registered provider in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since July 26, 2007.
## Identity
- **NPI:** 1316137227 (Entity type: Individual)
- **Enumerated:** July 26, 2007
- **Primary specialty:** Dietitian, Registered · taxonomy 133V00000X
- **State license:** 2007000891 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 4950 CHILDRENS PL, DIV IM NEPHROLOGY, Saint Louis, MO 63110-1000
- **Phone:** (314) 362-7209 · **Fax:** (314) 362-7232
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Washington University (NPI 1841221116, Saint Louis, MO); Ssm Cardinal Glennon Childrens Hospital (NPI 1073568226, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 350082629 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1316137227) · Data from the CMS NPPES public registry.