EMMA MARIE GREENHILL RD, RDN
NPI 1952870719
Dietitian, Registered in Saint Louis, MO
About Emma Marie Greenhill Rd, Rdn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EMMA MARIE GREENHILL RD, RDN (NPI 1952870719) is an individual dietitian, registered in Saint Louis, Missouri, licensed in Missouri (2018036835) and active in the NPI registry since November 2018. She is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Emma Marie Greenhill Rd, Rdn 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 Emma Greenhill reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Creve Coeur, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 29 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 63141 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Emma Greenhill's NPI number?
The NPI number for Emma Greenhill is 1952870719. It was assigned to this individual provider in the NPPES registry on November 21, 2018. The provider is also known as Emma Marie Walser.
Where is Emma Greenhill located?
Emma Greenhill practices at 1020 N Mason Rd Ste 200, Saint Louis, MO 63141. The listed phone number is (314) 996-3120.
What is Emma Greenhill's specialty?
The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.
Is Emma Greenhill enrolled in Medicare?
Yes. Emma Greenhill 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 Emma Greenhill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Emma Greenhill reassigns Medicare benefits to Heart Care Institute Affiliated Services, LLC (Creve Coeur, 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 Emma Greenhill'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 Emma Greenhill was last updated on November 21, 2018. 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.
# Emma Marie Greenhill, RD, RDN · NPI 1952870719
Dietitian, Registered provider in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since November 21, 2018.
## Identity
- **NPI:** 1952870719 (Entity type: Individual)
- **Enumerated:** November 21, 2018
- **Primary specialty:** Dietitian, Registered · taxonomy 133V00000X
- **State license:** 2018036835 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1020 N MASON RD STE 200, Saint Louis, MO 63141-6300
- **Phone:** (314) 996-3120 · **Fax:** (314) 996-3131
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Heart Care Institute Affiliated Services, LLC (NPI 1144256785, Creve Coeur, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** November 21, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1952870719) · Data from the CMS NPPES public registry.