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Dr. William H. Southwick, MD

  • MA
  • Psychiatrist
NPI1780621318
Industry payments
$557
State license
1
Year NPI issued
2006
Practice address
MA
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. William H. Southwick is a psychiatrist in Massachusetts

Dr. Southwick practices in Massachusetts.

Dr. Southwick's NPI, 1780621318, was assigned on June 1, 2006. Dr. Southwick holds Massachusetts license 208346.

NPI and contact details
NPI
1780621318NPI Registry (opens in a new tab)
NPI enumeration date
June 1, 2006
NPI status
Active
Professional email
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Personal email
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Mobile number
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Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dmand AI tracks the EHR system at Dr. William H. Southwick's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Southwick practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dr. Southwick's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William H. Southwick is one of 1,857 psychiatrists in Massachusetts

Psychiatry is Dr. Southwick's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Southwick is licensed in Massachusetts.

Specialties and state licenses

  • Psychiatry, MassachusettsPrimaryLicense 208346 · taxonomy 2084P0800X

Psychiatrists near Dr. Southwick

Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.

1,857psychiatrists in Massachusetts

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. William H. Southwick received $557 in industry payments from 2021 to 2025

CMS Open Payments shows 34 general payments to Dr. Southwick from 12 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Lundbeck LLC paid the most, $152. It also lists 1 research payment totaling $1,688 in 2016.

General payments to Dr. Southwick by program year, 2021 to 2025

Companies that paid Dr. Southwick the most, 2021 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Southwick

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. William H. Southwick's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. William H. Southwick

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. William H. Southwick's NPI number?

Dr. William H. Southwick's NPI number is 1780621318. It was assigned on June 1, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. William H. Southwick?

Dr. William H. Southwick is a psychiatrist in Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

What is Dr. William H. Southwick's medical license number?

Dr. Southwick holds Massachusetts license 208346.

Has Dr. William H. Southwick received payments from drug or device companies?

CMS Open Payments shows $557 in general payments to Dr. Southwick from 12 companies from 2021 to 2025. The largest total came from Lundbeck LLC.

How long has Dr. William H. Southwick been practicing?

Dr. Southwick's NPI was assigned in 2006.

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