William J Leemaster, LCSW
William J Leemaster is a Clinical Social Worker based in San Francisco, CA with over 33 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
William J Leemaster, LCSW has practiced social work for 33+ years, working in group practice. He has been in practice for 33+ years. A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two ... CMS MIPS quality score: 90.25/100 (2023).
At a glance
- Federal MIPS score higher than 74% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 6075dNPPES updated 2009-10-05 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
1060 Howard St 3rd Floor, San Francisco, CA 94103-2820
How Does This Doctor Compare?
Based on Medicare data, this doctor scores better than 74% of doctors in California on federal quality measures.
MIPS Score
202390.25/100
California avg: 78.6 · US avg: 83.6
✓ Higher than most doctors nationally(+6.7 pts)
Better than 74% of MIPS-scored doctors in CaliforniaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
33 years in practice
Senior practitioner
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Taxonomy: 1041C0700X
Virtual Social Work Care With William J Leemaster
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with William J Leemaster for follow-ups, medication reviews, and ongoing care — no travel to San Francisco required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about William J Leemaster
Dr. Leemaster is listed as active in the NPI registry with telehealth listed in San Francisco, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (415) 865-5250.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023. See Data Methodology.
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Contact William J Leemaster
Practice Location
1060 Howard St 3rd Floor, San Francisco, CA 94103-2820
Mailing Address
1060 Howard St 3rd Floor, San Francisco, CA 94103-2820
This is a provider directory. Contact the office directly to schedule appointments.
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