Zachary Willis, D.O.
Surgery Physician · Saint Louis, MO
Zachary Willis, D.O. is a surgery physician with a practice address in Saint Louis, Missouri, and NPI 1265847016, issued on Jun 30, 2014. Check the license (Missouri 2014017955, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Zachary Willis
- Credential
- D.O.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 2014017955 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2345 Dougherty Ferry RD, Saint Louis, MO 63122
- Phone
- (314) 966-9100
- Enumerated
- Jun 30, 2014
- Record last updated
- Jun 30, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 714 in Missouri → Look up another NPI →
Also registered at 2345 Dougherty Ferry RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Amerson, D.O.Anesthesiology Physician1043469570
- Peter Angelin, MDInternal Medicine Physician1225133440
- Leslie Artinger, CRNACertified Registered Nurse Anesthetist1508435066
- Joe Baldwin, DOEmergency Medical Services (Emergency Medicine) Physician1659307437
- Molly Bates, CRNACertified Registered Nurse Anesthetist1326711235
- Sidney Bennett, MDAnesthesiology Physician1568578466
Verify Zachary Willis 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 2014017955Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average surgery physician in 2024
15 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Industry payments in 2024: $87.24
5 payments; by number, the most common kind was food and beverage; the largest payer was Galderma Laboratories, L.P. The 17,103 providers of this specialty with any payment received $3,513.80 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.
Zachary Willis among 714 surgery physician records in Missouri
Zachary Willis, D.O. is one of 714 surgery physician records with a practice address in Missouri. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 61% of them.
- NPI issued2014 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2014 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Missouri
There are 714 surgery physician records in Missouri.
All 714 in Missouri → Every provider in Saint Louis → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Darin Minkin, D.O.Saint Louis, MO 631221043296494
- Matthew Ricks, DOSaint Louis, MO 631221902055296
- James Scott, M.D.Saint Louis, MO 631221134115637
- Jay Snow, MDSaint Louis, MO 631221003956418
- Ronald Gaskin, MDSaint Louis, MO 631181982690004
- Bruce Brown, MDSaint Louis, MO 631171699712323
- Francis Dysarz, M. D.Saint Louis, MO 631171245219484
- Kareem Husain, MDSaint Louis, MO 631171912025974
Common questions
What is Zachary Willis, D.O.'s NPI number?
Zachary Willis, D.O.'s National Provider Identifier (NPI) is 1265847016, issued on Jun 30, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Willis, D.O. located?
The NPPES record lists a practice address at 2345 Dougherty Ferry RD, Saint Louis, MO, 63122. Phone: (314) 966-9100. Providers update this record themselves, so call before visiting.
How can I verify Zachary Willis, D.O.'s license?
NPPES lists Missouri license number 2014017955, 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 Zachary Willis, D.O. prescribe under Medicare Part D?
In 2024, Zachary Willis, D.O. had 15 Medicare Part D claims; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
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.