William Keith Lagasse, LCSW
- Medicare patients, 2024
- 35
- MIPS score, 2024
- 98
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 123 Andover Road, Westbrook, ME 04092
- Practice phone
- Call (207) 761-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find William Lagasse's professional email, personal email and mobile number
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William Keith Lagasse is a clinical social worker in Westbrook, Maine
William Lagasse practices at MaineHealth Behavioral Health at Spring Harbor in Westbrook, Maine, part of MaineHealth.
William Lagasse's NPI, 1871716522, was assigned on April 11, 2007. William Lagasse holds Maine license LC11562.
- NPI
- 1871716522NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537232491
- NPI enumeration date
- April 11, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (207) 761-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Keith Lagasse practices at MaineHealth Behavioral Health at Spring Harbor in Westbrook, Maine
William Lagasse's primary practice is MaineHealth Behavioral Health at Spring Harbor, at 123 Andover Road, Westbrook, ME 04092 in Cumberland County. The practice phone is (207) 761-2200.
- MaineHealth Behavioral Health at Spring Harbor123 Andover Road, Westbrook, ME 04092 · Cumberland CountyPhone(207) 761-2200
Source: Dmand AI Affiliation Data
William Keith Lagasse is affiliated with 2 sites of care and 2 medical groups
William Lagasse's primary practice is MaineHealth Behavioral Health at Spring Harbor in Westbrook, Maine, part of MaineHealth. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links William Lagasse to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Keith Lagasse's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Lagasse practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MaineHealth Behavioral Health at Spring Harbor | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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William Keith Lagasse is one of 1,261 clinical social workers in Maine
Social worker is William Lagasse's primary specialty in the NPI Registry, under taxonomy code 1041C0700X. The record also lists clinical. William Lagasse is licensed in Maine.
Specialties and state licenses
- Clinical social worker, MainePrimary
Clinical social workers near William Lagasse
Counts of clinical social workers with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
William Keith Lagasse treated 35 Medicare patients in 2024, average age 46
CMS counts 35 Medicare patients who saw William Lagasse in 2024. 75% of them have anxiety, and 75% have mood disorders. Their average risk score is 0.91, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Lagasse's median patient age at 42, with 47% women.
William Lagasse's Medicare patients by sex, 2024
- Women1749%
- Men1851%
Chronic conditions among William Lagasse's Medicare patients, 2024
- Anxiety75%
- Mood disorders75%
- Depression66%
- Schizophrenia and other psychoses63%
- Alcohol and drug use disorders51%
- PTSD51%
- Bipolar disorder43%
- High blood pressure40%
Share of Medicare patients with each condition. A patient can have several.
William Lagasse's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Keith Lagasse scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for William Lagasse for performance year 2024, reported through an alternative payment model (APM). William Lagasse accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists William Lagasse as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
William Lagasse's MIPS scores, performance year 2024
- 98of 100Final score
- 83.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
Sources for William Keith Lagasse's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William Keith Lagasse
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Keith Lagasse's NPI number?
William Keith Lagasse's NPI number is 1871716522. It was assigned on April 11, 2007, and it is active in the NPI Registry.
What does William Keith Lagasse specialize in?
William Keith Lagasse is a clinical social worker in Westbrook, Maine. The primary specialty in the NPI Registry is Clinical Social Worker (taxonomy code 1041C0700X).
Where does William Keith Lagasse practice?
William Lagasse practices at 123 Andover Road, Westbrook, ME 04092. William Lagasse's primary practice is MaineHealth Behavioral Health at Spring Harbor in Westbrook, Maine, part of MaineHealth. Dmand AI also links William Lagasse to 1 group practice or clinic and 1 medical group.
What is William Keith Lagasse's office phone number?
The practice phone on file for William Lagasse is (207) 761-2200.
What is William Keith Lagasse's medical license number?
William Lagasse holds Maine license LC11562.
Which hospitals is William Keith Lagasse affiliated with?
William Lagasse practices at MaineHealth Behavioral Health at Spring Harbor in Westbrook, Maine.
What medical group is William Keith Lagasse part of?
William Lagasse is linked to MaineHealth Primary Care - Family Medicine - Portland. Dmand AI links William Lagasse to 1 more medical group.
Does William Keith Lagasse accept Medicare?
Yes. CMS lists William Lagasse as accepting Medicare assignment.
Does William Keith Lagasse offer telehealth?
Yes. The CMS Doctors and Clinicians file lists William Lagasse as offering telehealth services.
What is William Keith Lagasse's MIPS score?
William Lagasse's MIPS final score for performance year 2024 is 98 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does William Keith Lagasse see?
CMS counts 35 Medicare patients who saw William Lagasse in 2024, with an average age of 46.
How long has William Keith Lagasse been practicing?
William Lagasse graduated from medical school in 2005, 21 years ago.
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