Melissa O'Neill, M.S. CCC-SLP
NPI 1013478197 · Speech-Language Pathologist · Gaithersburg, MD
Melissa O'Neill, M.S. CCC-SLP is a Speech-Language Pathologist provider in Gaithersburg, MD (NPI 1013478197).
Provider details
- NPI number
- 1013478197
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.S. CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- 07873 (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
- 2022-05-23
- Certified
- 2022-05-23
Frequently asked questions
- What is Melissa O'Neill's NPI number?
- Melissa O'Neill's National Provider Identifier (NPI) is 1013478197, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa O'Neill's specialty?
- Melissa O'Neill is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Melissa O'Neill located?
- Melissa O'Neill's practice location on file with NPPES is 651 Saybrooke Oaks Blvd, Gaithersburg, MD 20877-3488.
- What is Melissa O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Melissa O'Neill is (301) 670-8242.
- Is Melissa O'Neill's NPI active?
- Yes — Melissa O'Neill's NPI (1013478197) is active in the NPPES registry as of the last update on 2022-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.