William E. Gillanders, MD
Surgical Oncology Physician · Saint Louis, MO
William E. Gillanders, MD is a surgical oncology physician with a practice address in Saint Louis, Missouri, and NPI 1720006364, issued on Jul 18, 2006. Check the license (Missouri 2005001571, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- William E. Gillanders
- Credential
- MD
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License number
- 2005001571 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4500 Forest Park Ave, Saint Louis, MO 63108
- Phone
- (314) 362-2280
- Enumerated
- Jul 18, 2006
- Record last updated
- Apr 17, 2025
- Fax
- (888) 352-8360
- Medicaid ID
- 208343301 MO
- Medicare enrollment
- Enrolled (PECOS I20050504000012); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest surgical oncology physician records → All 29 in Missouri → Look up another NPI →
Also registered at 4500 Forest Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Camille Abboud, MDMedical Oncology Physician1316965320
- Douglas Adkins, MDMedical Oncology Physician1164440616
- Rebecca Aft, MDSurgical Oncology Physician1164440897
- Amber Afzal, MDHematology (Internal Medicine) Physician1831539808
- Caleb Bannister, PHARM. D.Pharmacist1124718283
- Stephanie Bauer, FNPFamily Nurse Practitioner1639285968
Verify William E. Gillanders in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2005001571Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average surgical oncology physician in 2024
54 Medicare Part D claims for 24 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Levothyroxine Sodium22 claims
- Calcitriol15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $17.82
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 1,132 providers of this specialty with any payment received $4,224.74 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William E. Gillanders among 29 surgical oncology physician records in Missouri
William E. Gillanders, MD is one of 29 surgical oncology physician records with a practice address in Missouri. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1991 · median 2006 among the 22 with a school on file
- Record last updated2025 · 24% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Oncology Physician providers in Missouri
There are 29 surgical oncology physician records in Missouri.
All 29 in Missouri → Every provider in Saint Louis → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- Rebecca Aft, MDSaint Louis, MO 631081164440897
- Taylor Brown, MDSaint Louis, MO 631081770875478
- Ryan Fields, MDSaint Louis, MO 631081912900440
- Julie Margenthaler, MDSaint Louis, MO 631081750307054
- Fatema Almushawah, M.D.Saint Louis, MO 631101922318989
- Ashton Brooks, MDSaint Louis, MO 631101720473655
- Timothy Eberlein, MDSaint Louis, MO 631101225054455
- Bruce Hall, MDSaint Louis, MO 631101376560839
Common questions
What is William E. Gillanders, MD's NPI number?
William E. Gillanders, MD's National Provider Identifier (NPI) is 1720006364, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William E. Gillanders, MD located?
The NPPES record lists a practice address at 4500 Forest Park Ave, Saint Louis, MO, 63108. Phone: (314) 362-2280. Providers update this record themselves, so call before visiting.
How can I verify William E. Gillanders, MD's license?
NPPES lists Missouri license number 2005001571, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William E. Gillanders, MD prescribe under Medicare Part D?
In 2024, William E. Gillanders, MD had 54 Medicare Part D claims for 24 beneficiaries; the average among surgical oncology physician prescribers was 87. Part D covers Medicare prescriptions only.
What is William E. Gillanders, MD's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.