MARY VIRGINIA GRIFFIN M.C.D., CCC-SLP
NPI 1386331346
Speech-Language Pathologist in Washington, DC
About Mary Virginia Griffin M.c.d., Ccc-slp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY VIRGINIA GRIFFIN M.C.D., CCC-SLP (NPI 1386331346) is an individual speech-language pathologist provider in Washington, District Of Columbia, licensed in District Of Columbia (SLP200001248) and active in the NPI registry since April 2023. She is a graduate of Other (2016).
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
Mary Virginia Griffin M.c.d., 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 Mary Griffin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20002
- Reassigned Medicare billing, District of Columbia enrollment
- 15 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.
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 Griffin's NPI number?
The NPI number for Mary Griffin is 1386331346. It was assigned to this individual provider in the NPPES registry on April 20, 2023.
Where is Mary Griffin located?
Mary Griffin practices at 1200 1st St NE Fl 8, Washington, DC 20002. The listed phone number is (202) 442-5885.
What is Mary Griffin's specialty?
The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.
Is Mary Griffin enrolled in Medicare?
Yes. Mary Griffin 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 Mary Griffin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Griffin reassigns Medicare benefits to Gallaudet University (Washington, DC). 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 Mary Griffin'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 Griffin was last updated on April 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mary Virginia Griffin, M.C.D., CCC-SLP · NPI 1386331346
Speech-Language Pathologist provider in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since April 20, 2023.
## Identity
- **NPI:** 1386331346 (Entity type: Individual)
- **Enumerated:** April 20, 2023
- **Primary specialty:** Speech-Language Pathologist · taxonomy 235Z00000X
- **State license:** SLP200001248 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1200 1ST ST NE FL 8, Washington, DC 20002-3361
- **Phone:** (202) 442-5885
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Gallaudet University (NPI 1194958579, Washington, DC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** April 20, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1386331346) · Data from the CMS NPPES public registry.