Margaret Lydon
NPI 1801405063 · Speech-Language Pathologist · San Ramon, CA
Margaret Lydon is a Speech-Language Pathologist provider in San Ramon, CA (NPI 1801405063).
Provider details
- NPI number
- 1801405063
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 29457 (CA)
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
5 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
- 2020-07-23
- Last updated
- 2020-07-23
- Certified
- 2020-07-23
Frequently asked questions
- What is Margaret Lydon's NPI number?
- Margaret Lydon's National Provider Identifier (NPI) is 1801405063, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Lydon's specialty?
- Margaret Lydon is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Margaret Lydon located?
- Margaret Lydon's practice location on file with NPPES is 210 Porter Dr Ste 200, San Ramon, CA 94583-1525.
- What is Margaret Lydon's phone number?
- The practice phone number listed in the NPPES registry for Margaret Lydon is (925) 743-3322.
- Is Margaret Lydon's NPI active?
- Yes — Margaret Lydon's NPI (1801405063) is active in the NPPES registry as of the last update on 2020-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.