ELLEN RAE MOCK MA CCC SLP
NPI 1124599386
Speech-Language Pathologist in Littleton, CO
About Ellen Rae Mock Ma Ccc Slp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELLEN RAE MOCK MA CCC SLP (NPI 1124599386) is an individual speech-language pathologist provider in Littleton, Colorado, licensed in Colorado (0003430) and active in the NPI registry since December 2018. She is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Ellen Rae Mock Ma Ccc Slp 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 Ellen Mock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Denver, CO 80209
- Reassigned Medicare billing, Colorado enrollment
- 126 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 4
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 Ellen Mock's NPI number?
The NPI number for Ellen Mock is 1124599386. It was assigned to this individual provider in the NPPES registry on December 16, 2018.
Where is Ellen Mock located?
Ellen Mock practices at 6767 S Broadway, Littleton, CO 80122. The listed phone number is (303) 731-1962.
What is Ellen Mock's specialty?
The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.
Is Ellen Mock enrolled in Medicare?
Yes. Ellen Mock 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 Ellen Mock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Mock reassigns Medicare benefits to Legacy Healthcare Services Inc. (Denver, CO). 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 Ellen Mock'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 Ellen Mock was last updated on December 16, 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.
# Ellen Rae Mock, MA CCC SLP · NPI 1124599386
Speech-Language Pathologist provider in Littleton, Colorado. Individual provider, active in the CMS NPPES registry since December 16, 2018.
## Identity
- **NPI:** 1124599386 (Entity type: Individual)
- **Enumerated:** December 16, 2018
- **Primary specialty:** Speech-Language Pathologist · taxonomy 235Z00000X
- **State license:** 0003430 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 6767 S BROADWAY, Littleton, CO 80122-8002
- **Phone:** (303) 731-1962
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Legacy Healthcare Services Inc. (NPI 1164620084, Denver, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** December 16, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1124599386) · Data from the CMS NPPES public registry.