Dr. William L. Marshall, MD

  • Worcester, MA
  • Infectious disease specialist
NPI1053394908
Publications
24
Industry payments
$160
State license
1
Year NPI issued
2005
Practice address
55 Lake Ave N, Worcester, MA 01655-0002
Practice phone
Call (508) 856-1720
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Find Dr. Marshall's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. William L. Marshall is an infectious disease specialist in Worcester, Massachusetts

Dr. Marshall practices in Worcester, Massachusetts.

Dr. Marshall's NPI, 1053394908, was assigned on November 23, 2005. Dr. Marshall holds Massachusetts license 70928.

NPI and contact details
NPI enumeration date
November 23, 2005
NPI status
Active
Practice phone
(508) 856-1720
Professional email
Get email
Personal email
Get email
Mobile number
Get number

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

Dr. William L. Marshall's practice address is in Worcester, Massachusetts

Dr. Marshall's practice address in the NPI Registry is 55 Lake Ave N, Worcester, MA 01655-0002. The practice phone is (508) 856-1720.

  • NPI Registry address
    55 Lake Ave N, Worcester, MA 01655-0002Phone(508) 856-1720

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. William L. Marshall's practice

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

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

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Marshall practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. William L. Marshall is one of 395 infectious disease specialists in Massachusetts

Infectious disease is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Marshall is licensed in Massachusetts.

Specialties and state licenses

  • Infectious disease, MassachusettsPrimaryLicense 70928 · taxonomy 207RI0200X

Infectious disease specialists near Dr. Marshall

Counts of infectious disease specialists 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

Dr. William L. Marshall has 24 publications on record

Dmand AI links 24 papers to Dr. Marshall, published from 2012 to 2023. 2018 was the busiest year, with 5. The most frequent topics are Antiviral Agents, Benzofurans and Imidazoles. Dr. Marshall has published most often in Antimicrob Agents Chemother. Dr. Marshall's most frequent co-authors are Wendy Wen-Li Yeh, MD, Marian Iwamoto, MD, PhD and Iain P. Fraser, MD.

Papers24
Years published2012 to 2023

Dr. Marshall's papers by year, 2012 to 2023

Topics Dr. Marshall writes about most

  • Antiviral Agents
  • Benzofurans
  • Imidazoles
  • Quinoxalines
  • Amides
  • Carbamates
  • Cyclopropanes
  • Drug Interactions

Dr. Marshall's most frequent co-authors

Recent publications by Dr. Marshall

See all 24 publications and co-authors

See who Dr. Marshall researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marshall works with, so you can find a warm path to the right infectious disease specialists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. William L. Marshall received $160 in industry payments from 2017 to 2024

CMS Open Payments shows 2 general payments to Dr. Marshall from 2 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. United Therapeutics Corporation paid the most, $148.

General payments to Dr. Marshall by program year, 2017 to 2024

Companies that paid Dr. Marshall the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Marshall

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

Sources for Dr. William L. Marshall'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
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 L. Marshall

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 L. Marshall's NPI number?

Dr. William L. Marshall's NPI number is 1053394908. It was assigned on November 23, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. William L. Marshall?

Dr. William L. Marshall is an infectious disease specialist in Worcester, Massachusetts. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. William L. Marshall practice?

Dr. Marshall practices at 55 Lake Ave N, Worcester, MA 01655-0002.

What is Dr. William L. Marshall's office phone number?

The practice phone on file for Dr. Marshall is (508) 856-1720.

What is Dr. William L. Marshall's medical license number?

Dr. Marshall holds Massachusetts license 70928.

Has Dr. William L. Marshall received payments from drug or device companies?

CMS Open Payments shows $160 in general payments to Dr. Marshall from 2 companies from 2017 to 2024. The largest total came from United Therapeutics Corporation.

How long has Dr. William L. Marshall been practicing?

Dr. Marshall's NPI was assigned in 2005.

Does Dr. William L. Marshall do research?

Dmand AI links 24 publications to Dr. Marshall, published from 2012 to 2023.

Who does Dr. William L. Marshall publish with?

Dr. Marshall's most frequent co-authors are Wendy Wen-Li Yeh, MD (9 shared papers), Marian Iwamoto, MD, PhD (8 shared papers) and Iain P. Fraser, MD (4 shared papers).

Selling to infectious disease practices?

See infectious disease specialists in Massachusetts by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)