Dr. Egilius L. H. Spierings, MD

  • Boston, MA
  • Neurologist
NPI1487748703
Part D claims, 2024
65
Publications
42
Clinical trials
14
Hospital affiliations
1
Industry payments
$865,098
Practice address
75 Francis Street, Boston, MA 02115
Practice phone
Call (617) 732-5500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Brigham and Women's Hospital

Hospital · Boston, Massachusetts

See all 4 affiliations

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Dr. Egilius L. H. Spierings is a neurologist in Boston, Massachusetts

Dr. Spierings practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.

Dr. Spierings' NPI, 1487748703, was assigned on October 3, 2006. Dr. Spierings holds Massachusetts license 57525.

NPI and contact details
NPI enumeration date
October 3, 2006
NPI status
Active
Practice phone
(617) 732-5500
Professional email
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Personal email
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Mobile number
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Sex
Male

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

Dr. Egilius L. H. Spierings practices at Brigham and Women's Hospital in Boston, Massachusetts

Dr. Spierings' primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.

Source: Dmand AI Affiliation Data

Dr. Egilius L. H. Spierings is affiliated with 2 sites of care and 2 medical groups

Dr. Spierings' primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Pratt Neurology Associates. Dmand AI also links Dr. Spierings to 1 more hospital outpatient department and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Spierings

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Egilius L. H. Spierings' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Spierings practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Brigham and Women's HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Egilius L. H. Spierings is one of 806 neurologists in Massachusetts

Neurology is Dr. Spierings' primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Spierings is licensed in Massachusetts.

Specialties and state licenses

  • Neurology, MassachusettsPrimaryLicense 57525 · taxonomy 2084N0400X

Neurologists near Dr. Spierings

Counts of neurologists 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. Egilius L. H. Spierings' patients have a median age of 58

Across all payers, Dmand AI patient panel data puts Dr. Spierings' median patient age at 58, with 100% women.

Dr. Spierings' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. Egilius L. H. Spierings wrote 65 Medicare Part D claims in 2024

In 2024, Dr. Spierings wrote 65 Medicare Part D claims for 22 patients. 0% of them were for generic drugs. CMS names the drug for 63 of them, across 1 drug with 11 or more claims each, at $80,152 in total drug cost. In 2023, CMS named 58 claims across 1 drug.

Part D claims, 202465
Drugs named by CMS1
Total drug cost$80,152
Part D patients22

Dr. Spierings' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 582024: 639%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Spierings

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Egilius L. H. Spierings has 42 publications on record

Dmand AI links 42 papers to Dr. Spierings, published from 2008 to 2023. 2014 was the busiest year, with 6. The most frequent topics are Migraine Disorders, Double-Blind Method and Facial Pain. Dr. Spierings has published most often in J Headache Pain. Dr. Spierings' most frequent co-authors are Roger Kenneth Cady, MD, David Borsook, MD, PhD and Randall P. Brewer, MD.

Papers42
Years published2008 to 2023

Dr. Spierings' papers by year, 2012 to 2023

Topics Dr. Spierings writes about most

  • Migraine Disorders
  • Double-Blind Method
  • Facial Pain
  • Antibodies, Monoclonal, Humanized
  • Pain Measurement
  • Analgesics, Opioid
  • Chronic Pain
  • Diagnosis, Differential

Dr. Spierings' most frequent co-authors

Recent publications by Dr. Spierings

See all 42 publications and co-authors

See who Dr. Spierings researches with

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

How network discovery works

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

Dr. Egilius L. H. Spierings has worked on 14 clinical trials

Dmand AI links Dr. Spierings to 14 clinical trials, 2 of them phase 3 studies. 4 are still active or recruiting. Conditions studied include Migraine Disorders, Headache Disorders, Primary and Headache. Eli Lilly and Company sponsors the most, 8. Open Payments lists research payments to Dr. Spierings that name 6 trials.

Clinical trials with Dr. Spierings by phase

  1. NonePhase 1: no trials
  2. NonePhase 2: no trials
  3. 1Phase 2/3: 1 trial
  4. 2Phase 3: 2 trials
  5. 1Phase 4: 1 trial

Conditions in Dr. Spierings' trials

  • Migraine Disorders
  • Headache Disorders, Primary
  • Headache
  • Osteoarthritis
  • Pain

Investigators on the most trials with Dr. Spierings

Recent clinical trials with Dr. Spierings

See all 14 clinical trials and co-investigators

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Egilius L. H. Spierings received $865,098 in industry payments from 2016 to 2025

CMS Open Payments shows 1,154 general payments to Dr. Spierings from 29 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 78% of the total. Abbvie Inc. paid the most, $203,800. It also lists 138 research payments totaling $108,187 from 2016 to 2023, naming 6 clinical trials.

General payments to Dr. Spierings by program year, 2016 to 2025

General payments to Dr. Spierings by kind, 2016 to 2025

$865.1Kin total
  • Speaker and faculty fees$672,60878%
  • Consulting fees$70,7728%
  • Honoraria$62,2857%
  • Travel and lodging$36,0894%
  • Other$23,3003%

Companies that paid Dr. Spierings the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Spierings

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

Sources for Dr. Egilius L. H. Spierings'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
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. Egilius L. H. Spierings

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. Egilius L. H. Spierings' NPI number?

Dr. Egilius L. H. Spierings' NPI number is 1487748703. It was assigned on October 3, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Egilius L. H. Spierings?

Dr. Egilius L. H. Spierings is a neurologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Egilius L. H. Spierings practice?

Dr. Spierings practices at 75 Francis Street, Boston, MA 02115. Dr. Spierings' primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Spierings to 1 hospital outpatient department and 1 medical group.

What is Dr. Egilius L. H. Spierings' office phone number?

The practice phone on file for Dr. Spierings is (617) 732-5500.

What is Dr. Egilius L. H. Spierings' medical license number?

Dr. Spierings holds Massachusetts license 57525.

Which hospitals is Dr. Egilius L. H. Spierings affiliated with?

Dr. Spierings practices at Brigham and Women's Hospital in Boston, Massachusetts.

What medical group is Dr. Egilius L. H. Spierings part of?

Dr. Spierings is linked to Pratt Neurology Associates. Dmand AI links Dr. Spierings to 1 more medical group.

What drugs does Dr. Egilius L. H. Spierings prescribe most?

In 2024 Medicare Part D data, Dr. Spierings' most prescribed drugs by claims were Botox.

Has Dr. Egilius L. H. Spierings received payments from drug or device companies?

CMS Open Payments shows $865,098 in general payments to Dr. Spierings from 29 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Egilius L. H. Spierings been practicing?

Dr. Spierings' NPI was assigned in 2006.

Does Dr. Egilius L. H. Spierings do research?

Dmand AI links 42 publications to Dr. Spierings, published from 2008 to 2023. Dr. Spierings has worked on 14 clinical trials.

Who does Dr. Egilius L. H. Spierings publish with?

Dr. Spierings' most frequent co-authors are Roger Kenneth Cady, MD (5 shared papers), David Borsook, MD, PhD (2 shared papers) and Randall P. Brewer, MD (2 shared papers).

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