William Keith Lagasse, LCSW
William Keith Lagasse is a Clinical Social Worker based in Lewiston, ME with over 21 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
William Keith Lagasse, LCSW has practiced social work for 21+ years, working in independent practice. He has been practicing since 2007 — over 21 years. CMS Medicare data shows his patients commonly have anxiety, mood disorders, and depression. CMS MIPS quality score: 98.07/100 (2023).
At a glance
- Federal MIPS score higher than 24% of MIPS-scored doctors in Maine
- Virtual visits available — no app or travel required
Older · 6588dNPPES updated 2008-05-08 · verify NPI on CMS · Verify license at Maine Board of Licensure in Medicine
Contact & Location
Practice Location
105 Middle St Ste 2, Lewiston, ME 04240-7037
How Does This Doctor Compare?
MIPS Score
202398.07/100
Maine avg: 93.9 · US avg: 83.6
✓ Higher than most doctors nationally(+14.5 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Medicare Patients
26
Unique beneficiaries
Boutique practicePercentile rankings compared against 387 reporting peers in Maine.
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.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Anxiety Disorders, Mood Disorders, and Depression.
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+41%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↑ More patients than average (+26%) — a focus area for this doctor
Post-Traumatic Stress Disorder — lasting anxiety after experiencing a traumatic event
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-28%) — less common here
A condition with extreme mood swings between emotional highs and lows
A serious mental disorder affecting thinking, emotions, and behavior
Attention Deficit Hyperactivity Disorder — difficulty focusing, hyperactivity, and impulsivity
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
21 years in practice
Experienced
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 Keith Lagasse
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with William Keith Lagasse for anxiety counseling, mood disorder follow-ups, depression management — no travel to Lewiston 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 Keith Lagasse
NPI records show Dr. Lagasse as active with telehealth listed in Lewiston, ME. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (207) 576-9645.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Physician Comparator. See Data Methodology.
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Contact William Keith Lagasse
Practice Location
105 Middle St Ste 2, Lewiston, ME 04240-7037
Mailing Address
105 Middle St Ste 2, Lewiston, ME 04240-7037
This is a provider directory. Contact the office directly to schedule appointments.
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