Diana Mattsen
NPI 1528529740 · Speech-Language Pathologist · Germantown, MD
Diana Mattsen is a Speech-Language Pathologist provider in Germantown, MD (NPI 1528529740).
Provider details
- NPI number
- 1528529740
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 03597 (MD)
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
7 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
- 2019-03-29
- Last updated
- 2019-03-29
Frequently asked questions
- What is Diana Mattsen's NPI number?
- Diana Mattsen's National Provider Identifier (NPI) is 1528529740, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Mattsen's specialty?
- Diana Mattsen is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Diana Mattsen located?
- Diana Mattsen's practice location on file with NPPES is 24001 Ridge Rd, Germantown, MD 20876-4636.
- What is Diana Mattsen's phone number?
- The practice phone number listed in the NPPES registry for Diana Mattsen is (301) 253-7000.
- Is Diana Mattsen's NPI active?
- Yes — Diana Mattsen's NPI (1528529740) is active in the NPPES registry as of the last update on 2019-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.