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Mary O'Neill, LCSW
NPI 1417217878 · Clinical Social Worker · Pleasanton, CA
Mary O'Neill, LCSW is a Clinical Social Worker provider in Pleasanton, CA (NPI 1417217878).
Provider details
- NPI number
- 1417217878
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- LCS 28356 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
3825 Hopyard Rd
Suite 140
Pleasanton, CA 94588-8528
Phone: (925) 847-5453
Street-level locationGet directions
Mailing address
Po Box 3181
Danville, CA 94526-6481
Registry dates
- Enumerated
- 2012-05-19
- Last updated
- 2012-05-19
Frequently asked questions
- What is Mary O'Neill's NPI number?
- Mary O'Neill's National Provider Identifier (NPI) is 1417217878, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary O'Neill's specialty?
- Mary O'Neill is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary O'Neill located?
- Mary O'Neill's practice location on file with NPPES is 3825 Hopyard Rd, Pleasanton, CA 94588-8528.
- What is Mary O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Mary O'Neill is (925) 847-5453.
- Is Mary O'Neill's NPI active?
- Yes — Mary O'Neill's NPI (1417217878) is active in the NPPES registry as of the last update on 2012-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.