Diona Marie Chan
NPI 1598161440 · Speech-Language Pathologist · Columbia, MD
Diona Marie Chan is a Speech-Language Pathologist provider in Columbia, MD (NPI 1598161440).
Provider details
- NPI number
- 1598161440
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 14060670 (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
11 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
- 2014-11-04
- Last updated
- 2014-11-04
Frequently asked questions
- What is Diona Marie Chan's NPI number?
- Diona Marie Chan's National Provider Identifier (NPI) is 1598161440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diona Marie Chan's specialty?
- Diona Marie Chan is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Diona Marie Chan located?
- Diona Marie Chan's practice location on file with NPPES is 9891 Broken Land Pkwy, Columbia, MD 21046-1165.
- What is Diona Marie Chan's phone number?
- The practice phone number listed in the NPPES registry for Diona Marie Chan is (866) 566-5311.
- Is Diona Marie Chan's NPI active?
- Yes — Diona Marie Chan's NPI (1598161440) is active in the NPPES registry as of the last update on 2014-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.