Mary Lightholder
NPI 1003068966 · Mental Health Counselor · San Leandro, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Lightholder is a Mental Health Counselor provider in San Leandro, CA (NPI 1003068966).
Provider details
- NPI number
- 1003068966
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2008-10-22
- Last updated
- 2012-08-30
Frequently asked questions
- What is Mary Lightholder's NPI number?
- Mary Lightholder's National Provider Identifier (NPI) is 1003068966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Lightholder's specialty?
- Mary Lightholder is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Lightholder located?
- Mary Lightholder's practice location on file with NPPES is 500 Davis St, San Leandro, CA 94577-2757.
- What is Mary Lightholder's phone number?
- The practice phone number listed in the NPPES registry for Mary Lightholder is (510) 618-6428.
- Does Mary Lightholder accept Medicare?
- Mary Lightholder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Lightholder's NPI active?
- Yes — Mary Lightholder's NPI (1003068966) is active in the NPPES registry as of the last update on 2012-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.