William Allard Estep, DO
Internal Medicine Physician · Joplin, MO
William Allard Estep, DO is an internal medicine physician with a practice address in Joplin, Missouri, and NPI 1346818143, issued on Jun 16, 2021. Check the license (Missouri 20250276340, 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 Allard Estep
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20250276340 MO
Self-reported in NPPES; status is on the state search - Practice location
- 3202 Mcintosh Cir Ste 201, Joplin, MO 64804
- Phone
- (417) 347-8733
- Enumerated
- Jun 16, 2021
- Record last updated
- Jul 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20250714002103); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 3202 Mcintosh Cir Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Allard Estep 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 20250276340Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average internal medicine physician in 2024
487 Medicare Part D claims for 59 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate31 claims
- Atorvastatin Calcium27 claims
- Omeprazole23 claims
- Levothyroxine Sodium22 claims
- Metformin Hcl21 claims
- Albuterol Sulfate Hfa20 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.
Bills Medicare through one group practice
- Freeman-Oak Hill Health SystemJoplin, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Allard Estep among 2,604 internal medicine physician records in Missouri
William Allard Estep, DO is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 79% of them.
- NPI issued2021 · 79% of these records are older, 17% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2022 · median 2006 among the 1,443 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 internal medicine physician records list a practice address in Joplin
They are 54 of the 2,443 NPPES records with a practice address in Joplin, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Joplin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Iftikhar Ali, MDJoplin, MO 648041700813607
- Bernard Bettasso, M.D.Joplin, MO 648041841238342
- Randy Bowles, M.D.Joplin, MO 648041851332860
- Ronald Browning, MDJoplin, MO 648041780611681
- Samuel Carter, MDJoplin, MO 648041760428973
- Edgar Conrad, D.O.Joplin, MO 648041124055074
- Saba Habis, MDJoplin, MO 648041497788905
- Amy Hertweck-Warner, D.O.Joplin, MO 648041013959006
Common questions
What is William Allard Estep, DO's NPI number?
William Allard Estep, DO's National Provider Identifier (NPI) is 1346818143, issued on Jun 16, 2021. An NPI identifies a provider in billing; it is not a license.
Where is William Allard Estep, DO located?
The NPPES record lists a practice address at 3202 Mcintosh Cir Ste 201, Joplin, MO, 64804. Phone: (417) 347-8733. Providers update this record themselves, so call before visiting.
How can I verify William Allard Estep, DO's license?
NPPES lists Missouri license number 20250276340, 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 Allard Estep, DO prescribe under Medicare Part D?
In 2024, William Allard Estep, DO had 487 Medicare Part D claims for 59 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.