Mary Griffin, M.C.D., CCC-SLP
NPI 1386331346 · Speech-Language Pathologist · Washington, DC
Enrolled with Medicare as Practitioner - Qualified Speech Language Pathologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Griffin, M.C.D., CCC-SLP is a Speech-Language Pathologist provider in Washington, DC (NPI 1386331346).
Provider details
- NPI number
- 1386331346
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.C.D., CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- SLP200001248 (DC)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-04-20
- Last updated
- 2023-04-20
- Certified
- 2023-04-20
Frequently asked questions
- What is Mary Griffin's NPI number?
- Mary Griffin's National Provider Identifier (NPI) is 1386331346, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Griffin's specialty?
- Mary Griffin is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Mary Griffin located?
- Mary Griffin's practice location on file with NPPES is 1200 1st St Ne Fl 8, Washington, DC 20002-3361.
- What is Mary Griffin's phone number?
- The practice phone number listed in the NPPES registry for Mary Griffin is (202) 442-5885.
- Does Mary Griffin accept Medicare?
- Mary Griffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Griffin's NPI active?
- Yes — Mary Griffin's NPI (1386331346) is active in the NPPES registry as of the last update on 2023-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.