GIOVANNA E WALKER
NPI 1962170985
Speech-Language Pathologist in Waldorf, MD
About Giovanna E Walker NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GIOVANNA E WALKER (NPI 1962170985) is an individual speech-language pathologist provider in Waldorf, Maryland, licensed in Virginia (2202010528) and active in the NPI registry since September 2021. She is a graduate of Other (2021).
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
Giovanna E Walker 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 Giovanna Walker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Austin, TX 78752
- Reassigned Medicare billing, Maryland and Virginia enrollments
- 57 clinicians in this Medicare group
Austin, TX 78756
- Reassigned Medicare billing, North Carolina enrollment
- Medicare enrollment name: Expressable Speech-Language Pathology PC
- 121 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALDORF, MD 20602
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 Giovanna Walker's NPI number?
The NPI number for Giovanna Walker is 1962170985. It was assigned to this individual provider in the NPPES registry on September 3, 2021. The provider is also known as Giovanna Pilla.
Where is Giovanna Walker located?
Giovanna Walker practices at 4140 Old Washington Rd, Waldorf, MD 20602. The listed phone number is (301) 645-2813.
What is Giovanna Walker's specialty?
The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.
Is Giovanna Walker enrolled in Medicare?
Yes. Giovanna Walker 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 Giovanna Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Giovanna Walker reassigns Medicare benefits to 2 organizations: Expressable Therapy PC (Austin, TX) and Expressable Speech-Language Pathology, P.C. (Austin, TX). 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 Giovanna Walker'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 Giovanna Walker was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 days 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.
# Giovanna E Walker · NPI 1962170985
Speech-Language Pathologist provider in Waldorf, Maryland. Individual provider, active in the CMS NPPES registry since September 3, 2021.
## Identity
- **NPI:** 1962170985 (Entity type: Individual)
- **Enumerated:** September 3, 2021
- **Primary specialty:** Speech-Language Pathologist · taxonomy 235Z00000X
- **State license:** 2202010528 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4140 OLD WASHINGTON RD, Waldorf, MD 20602-3221
- **Phone:** (301) 645-2813
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Expressable Therapy PC (NPI 1134875370, Austin, TX); Expressable Speech-Language Pathology, P.C. (NPI 1649875857, Austin, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** September 22, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1962170985) · Data from the CMS NPPES public registry.