William Marsh, CRNA

  • Newark, DE
  • Anesthesiologist
NPI1801814298
Medicare services, 2019
87
Publications
35
State license
1
Year NPI issued
2006
Practice address
111 Continental Dr, Newark, DE 19713-4306
Practice phone
Call (302) 709-4497
Professional email
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Personal email
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Mobile number
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Social profiles

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William Marsh is an anesthesiologist in Newark, Delaware

William Marsh practices in Newark, Delaware.

William Marsh's NPI, 1801814298, was assigned on July 17, 2006. William Marsh holds Maryland license R081112.

NPI and contact details
NPI enumeration date
July 17, 2006
NPI status
Active
Practice phone
(302) 709-4497
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

William Marsh's practice address is in Newark, Delaware

William Marsh's practice address in the NPI Registry is 111 Continental Dr, Newark, DE 19713-4306. The practice phone is (302) 709-4497.

  • NPI Registry address
    111 Continental Dr, Newark, DE 19713-4306Phone(302) 709-4497

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

Dmand AI tracks the EHR system at William Marsh's practice

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

EHR by site
SiteEHR vendor and product
William Marsh's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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William Marsh is one of 134 anesthesiologists in Delaware

Anesthesiology is William Marsh's primary specialty in the NPI Registry, under taxonomy code 207L00000X. William Marsh is licensed in Maryland.

Specialties and state licenses

  • Anesthesiology, MarylandPrimaryLicense R081112 · taxonomy 207L00000X

Anesthesiologists near William Marsh

Counts of anesthesiologists 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 Marsh billed Medicare for 87 services in 2019

CMS data shows 87 Medicare services from William Marsh across 3 procedure codes in 2019. Medicare paid $5,006 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 201987
Paid by Medicare$5,006
Procedure codes3

William Marsh's Medicare services by type, 2018 to 2019

  • 2018
  • 2019
Anesthesia
2018: 1772019: 8751%

William Marsh compared with the Delaware median for anesthesiologists, 2019

  • William Marsh
  • Delaware median
Medicare services
87vs 10114% below

Medians across 124 anesthesiologists in Delaware with Dmand AI profiles that report each measure.

William Marsh's most billed Medicare procedure codes, 2019

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

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William Marsh has 35 publications on record

Dmand AI links 35 papers to William Marsh, published from 2011 to 2024. 2020 was the busiest year, with 3. The most frequent topics are Electroencephalography, Magnetic Resonance Imaging and Neurosurgical Procedures. William Marsh has published most often in J Neurosurg. William Marsh's most frequent co-authors are W R. Marsh, MD, Gregory A. Worrell, MD and Fredric B. Meyer, MD.

Papers35
Years published2011 to 2024

William Marsh's papers by year, 2014 to 2024

Topics William Marsh writes about most

  • Electroencephalography
  • Magnetic Resonance Imaging
  • Neurosurgical Procedures
  • Seizures
  • Electrodes, Implanted
  • Epilepsy, Temporal Lobe
  • Brain
  • Drug Resistant Epilepsy

William Marsh's most frequent co-authors

Recent publications by William Marsh

See all 35 publications and co-authors

See who William Marsh researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who William Marsh works with, so you can find a warm path to the right anesthesiologists.

How network discovery works

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

Sources for William Marsh'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
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 William Marsh

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 Marsh's NPI number?

William Marsh's NPI number is 1801814298. It was assigned on July 17, 2006, and it is active in the NPI Registry.

What does William Marsh specialize in?

William Marsh is an anesthesiologist in Newark, Delaware. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does William Marsh practice?

William Marsh practices at 111 Continental Dr, Newark, DE 19713-4306.

What is William Marsh's office phone number?

The practice phone on file for William Marsh is (302) 709-4497.

What is William Marsh's medical license number?

William Marsh holds Maryland license R081112.

Does William Marsh accept Medicare?

Yes. CMS data shows William Marsh billed Medicare for 87 services in 2019.

What services does William Marsh bill to Medicare?

In 2019, William Marsh's most billed Medicare services were anesthesia (00811), anesthesia (00731) and anesthesia (00813).

How long has William Marsh been practicing?

William Marsh's NPI was assigned in 2006.

Does William Marsh do research?

Dmand AI links 35 publications to William Marsh, published from 2011 to 2024.

Who does William Marsh publish with?

William Marsh's most frequent co-authors are W R. Marsh, MD (24 shared papers), Gregory A. Worrell, MD (14 shared papers) and Fredric B. Meyer, MD (10 shared papers).

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