Dr. William E. Gillanders, MD

  • Saint Louis, MO
  • Surgical oncologist
NPI1720006364PAC ID9032159603
Medicare services, 2024
204
Medicare patients, 2024
150
Part D claims, 2024
54
Publications
91
Clinical trials
10
Practice address
One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110
Practice phone
Call (314) 747-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Barnes-Jewish Hospital

Hospital · Saint Louis, Missouri

See all 7 affiliations

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Dr. William E. Gillanders is a surgical oncologist in Saint Louis, Missouri

Dr. Gillanders practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.

Dr. Gillanders' NPI, 1720006364, was assigned on July 18, 2006. Dr. Gillanders graduated from Duke University School of Medicine in 1991. Dr. Gillanders holds Missouri license 2005001571.

NPI and contact details
Medicare PAC ID
9032159603
NPI enumeration date
July 18, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(314) 747-3000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
61
Medical school graduation
1991

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. William E. Gillanders practices at 2 locations in Saint Louis, Missouri

Dr. Gillanders' primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. Dr. Gillanders also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.

  • Barnes-Jewish HospitalPrimary
    One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 · St. Louis CityPhone(314) 747-3000
  • Barnes-Jewish Hospital
    1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-3000

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

Dr. William E. Gillanders is affiliated with 6 sites of care and 1 medical group

Dr. Gillanders' primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dr. Gillanders is also affiliated with Missouri Baptist Medical Center. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Gillanders to 3 more hospitals and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Gillanders

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

Dmand AI tracks the EHR system at Dr. William E. Gillanders' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gillanders practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Barnes-Jewish HospitalAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William E. Gillanders is one of 22 surgical oncologists in Missouri

Surgical oncology is Dr. Gillanders' primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dr. Gillanders is licensed in Missouri.

Specialties and state licenses

  • Surgical oncology, MissouriPrimaryLicense 2005001571 · taxonomy 2086X0206X

Surgical oncologists near Dr. Gillanders

Counts of surgical oncologists 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 E. Gillanders billed Medicare for 204 services in 2024

CMS data shows 204 Medicare services from Dr. Gillanders across 5 procedure codes in 2024, for 150 Medicare patients. Medicare paid $54,300 for them.

Medicare services, 2024204
Medicare patients150
Paid by Medicare$54,300
Procedure codes5

Dr. Gillanders' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1312024: 14410%
Surgery
2023: 262024: 60131%

Where Dr. Gillanders' Medicare services took place, 2024

  • In an office14471%
  • In a facility6029%

Dr. Gillanders compared with the Missouri median for surgical oncologists, 2024

  • Dr. Gillanders
  • Missouri median
Medicare services
204vs 14442% above
Medicare patients
150vs 10938% above
Part D claims
37vs 356% above

Medians across 22 surgical oncologists in Missouri with Dmand AI profiles that report each measure.

Dr. Gillanders' most billed Medicare procedure codes, 2024

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

See all procedures by Dr. Gillanders

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

Dr. William E. Gillanders treated 150 Medicare patients in 2024, average age 71

CMS counts 150 Medicare patients who saw Dr. Gillanders in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Gillanders' median patient age at 68, with 86% women.

Medicare patients, 2024150
Average age71
Average risk score1.46
Also on Medicaid10%

Dr. Gillanders' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Gillanders' Medicare patients by sex, 2024

  • Women12281%
  • Men2819%

Chronic conditions among Dr. Gillanders' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis47%
  4. Osteoporosis38%
  5. Cancer34%
  6. Anxiety31%
  7. Diabetes31%
  8. Mood disorders31%

Share of Medicare patients with each condition. A patient can have several.

Dr. Gillanders' patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women86%
  • Men13%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. William E. Gillanders wrote 54 Medicare Part D claims in 2024

In 2024, Dr. Gillanders wrote 54 Medicare Part D claims for 24 patients. 69% of them were for generic drugs. CMS names the drug for 37 of them, across 2 drugs with 11 or more claims each, at $430 in total drug cost. In 2023, CMS named 18 claims across 1 drug.

Part D claims, 202454
Drugs named by CMS2
Total drug cost$430
Part D patients24

Dr. Gillanders' Part D claims by kind of drug, 2024

  • Generic37 claims69%
  • Brand-name17 claims31%

Dr. Gillanders' 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: 182024: 37106%

Drugs named by CMS: 2 in 2024, 1 in 2023.

See all prescribing by Dr. Gillanders

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

Dr. William E. Gillanders scored 84 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Gillanders for performance year 2024, reported as part of a group. Dr. Gillanders accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Gillanders' MIPS scores, performance year 2024

  • 84of 100Final score
  • 71.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. William E. Gillanders has 91 publications on record

Dmand AI links 91 papers to Dr. Gillanders, published from 2010 to 2025. 2021 was the busiest year, with 9. The most frequent topics are Breast Neoplasms, Antigens, Neoplasm and Cancer Vaccines. Dr. Gillanders has published most often in Breast Cancer Res Treat. Dr. Gillanders' most frequent co-authors are Rebecca L. Aft, MD, Julie A. Margenthaler, MD and Amy Elizabeth Cyr, MD.

Papers91
Years published2010 to 2025

Dr. Gillanders' papers by year, 2016 to 2025

Topics Dr. Gillanders writes about most

  • Breast Neoplasms
  • Antigens, Neoplasm
  • Cancer Vaccines
  • CD8-Positive T-Lymphocytes
  • Carcinoma, Ductal, Breast
  • Cell Line, Tumor
  • Immunotherapy
  • Vaccines, DNA

Dr. Gillanders' most frequent co-authors

Recent publications by Dr. Gillanders

See all 91 publications and co-authors

See who Dr. Gillanders researches with

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

How network discovery works

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

Dr. William E. Gillanders has worked on 10 clinical trials

Dmand AI links Dr. Gillanders to 10 clinical trials, 6 of them phase 1 studies. 6 are still active or recruiting. Conditions studied include Breast Neoplasms, Pancreatic Neoplasms and Triple Negative Breast Neoplasms. Washington University School of Medicine sponsors the most, 7.

Clinical trials with Dr. Gillanders by phase

  1. 6Phase 1: 6 trials
  2. 1Phase 1/2: 1 trial
  3. 3Phase 2: 3 trials
  4. NonePhase 3: no trials
  5. NonePhase 4: no trials

Conditions in Dr. Gillanders' trials

  • Breast Neoplasms
  • Pancreatic Neoplasms
  • Triple Negative Breast Neoplasms
  • Pancreatic Diseases
  • Breast Diseases

Investigators on the most trials with Dr. Gillanders

Recent clinical trials with Dr. Gillanders

See all 10 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. William E. Gillanders received $1,461 in industry payments from 2018 to 2024

CMS Open Payments shows 11 general payments to Dr. Gillanders from 2 drug and device companies from 2018 to 2024. Travel and lodging make up the largest share, 67% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,443.

General payments to Dr. Gillanders by program year, 2018 to 2024

General payments to Dr. Gillanders by kind, 2018 to 2024

$1.5Kin total
  • Travel and lodging$97767%
  • Food and beverage$48433%

Companies that paid Dr. Gillanders the most, 2018 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Gillanders

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

Dr. William E. Gillanders graduated from Duke University School of Medicine

Dr. Gillanders graduated from Duke University School of Medicine in 1991.

  1. Medical schoolDuke University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. William E. Gillanders'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 Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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)
Training, board certification and membershipsDmand AI Professional Profile Data
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 E. Gillanders

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 E. Gillanders' NPI number?

Dr. William E. Gillanders' NPI number is 1720006364. It was assigned on July 18, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. William E. Gillanders?

Dr. William E. Gillanders is a surgical oncologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Surgical Oncology Physician (taxonomy code 2086X0206X).

Where does Dr. William E. Gillanders practice?

Dr. Gillanders practices at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110. Dr. Gillanders also practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Dr. Gillanders' primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Gillanders to 3 hospitals and 1 group practice or clinic.

What is Dr. William E. Gillanders' office phone number?

The practice phone on file for Dr. Gillanders is (314) 747-3000.

What is Dr. William E. Gillanders' medical license number?

Dr. Gillanders holds Missouri license 2005001571.

Which hospitals is Dr. William E. Gillanders affiliated with?

Dr. Gillanders practices at Barnes-Jewish Hospital in Saint Louis, Missouri. Dr. Gillanders is also affiliated with Missouri Baptist Medical Center. Dmand AI links Dr. Gillanders to 3 more hospitals.

What medical group is Dr. William E. Gillanders part of?

Dr. Gillanders is linked to WashU Medicine Psychiatry.

Does Dr. William E. Gillanders accept Medicare?

Yes. CMS data shows Dr. Gillanders billed Medicare for 204 services in 2024, and Dr. Gillanders accepts Medicare assignment.

What is Dr. William E. Gillanders' MIPS score?

Dr. Gillanders' MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.

How many Medicare patients does Dr. William E. Gillanders see?

CMS counts 150 Medicare patients who saw Dr. Gillanders in 2024, with an average age of 71.

Show 7 more questionsShow fewer questions

What services does Dr. William E. Gillanders bill to Medicare?

In 2024, Dr. Gillanders' most billed Medicare services were office visit, new patient (99204), office visit, established patient (99213) and surgery: endocrine glands (60500).

Where did Dr. William E. Gillanders go to medical school?

Dr. Gillanders graduated from Duke University School of Medicine in 1991.

What drugs does Dr. William E. Gillanders prescribe most?

In 2024 Medicare Part D data, Dr. Gillanders' most prescribed drugs by claims were Levothyroxine Sodium and Calcitriol.

Has Dr. William E. Gillanders received payments from drug or device companies?

CMS Open Payments shows $1,461 in general payments to Dr. Gillanders from 2 companies from 2018 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. William E. Gillanders been practicing?

Dr. Gillanders graduated from medical school in 1991, 35 years ago.

Does Dr. William E. Gillanders do research?

Dmand AI links 91 publications to Dr. Gillanders, published from 2010 to 2025. Dr. Gillanders has worked on 10 clinical trials.

Who does Dr. William E. Gillanders publish with?

Dr. Gillanders' most frequent co-authors are Rebecca L. Aft, MD (18 shared papers), Julie A. Margenthaler, MD (16 shared papers) and Amy Elizabeth Cyr, MD (11 shared papers).

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