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WILLIAM ALLARD ESTEP DO
NPI 1346818143
Internal Medicine in Joplin, MO

Active since June 16, 2021PECOS EnrolledAccepts Medicare Assignment
3202 MCINTOSH CIR STE 201, JOPLIN, MO 64804(417) 347-8733 Get Directions Write a Review

NPPES record last updated: July 8, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 8, 2025, May 23, 2022, Jun 16, 2021 (3 updates tracked since 2021).

About William Allard Estep Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM ALLARD ESTEP DO (NPI 1346818143) is an individual internal medicine provider in Joplin, Missouri, licensed in Missouri (20250276340) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Joplin, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1346818143
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM ALLARD ESTEPCredential: DO
Location Address3202 MCINTOSH CIR STE 201Joplin, MO 64804-3686
Mailing AddressPo Box 3810Joplin, MO 64803-3810
Phone(417) 347-8733
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateJune 16, 2021
Last NPPES UpdateJuly 8, 20253 updates tracked since enumeration
NPPES CertifiedJuly 8, 2025
✔ NPI 1346818143 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · 20250276340
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3202 MCINTOSH CIR STE 201, Joplin, MO 64804
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William Allard Estep Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5597270132
PECOS Enrollment IDI20250714002103
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital Joplin

Acute Care Hospitals · Joplin, MO
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number260001
Location100 Mercy WayJoplin, MO 64804 · Jasper County
Emergency services Birthing friendly

Freeman Health System - Freeman West

Acute Care Hospitals · Joplin, MO
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260137
Location1102 West 32nd StreetJoplin, MO 64804 · Jasper County
Emergency services Birthing friendly

Freeman Neosho Hospital

Critical Access Hospitals · Neosho, MO
OwnershipVoluntary non-profit - Private
CMS Certification Number261331
Location113 West Hickory StreetNeosho, MO 64850 · Newton County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 64804 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$121.96 typical visit price
range $52.28 – $161.24
Typical copayment $30.49 (range $13.07 – $40.31)
Most-billed visit code 99204
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRITTANY NICOLE WINKFIELD
Internal Medicine
3202 MCINTOSH CIR STE 201
JOPLIN, MO 64804
Newton County (417) 347-8560
CASSIE M GARRETT APRN
Nurse Practitioner (Family)
3202 MCINTOSH CIR STE 201
JOPLIN, MO 64804
Newton County (417) 347-8755
CLINTON RYAN DUNKLE D.O.
Internal Medicine
3202 MCINTOSH CIR STE 201
JOPLIN, MO 64804
Newton County (417) 347-8318
ERIC S VONHOLTEN M.D.
Internal Medicine
3202 MCINTOSH CIR STE 201
JOPLIN, MO 64804
Newton County (417) 347-8560

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Estep's NPI number?

The NPI number for William Estep is 1346818143. It was assigned to this individual provider in the NPPES registry on June 16, 2021.

Where is William Estep located?

William Estep practices at 3202 Mcintosh Cir Ste 201, Joplin, MO 64804. The listed phone number is (417) 347-8733.

What is William Estep's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is William Estep enrolled in Medicare?

Yes. William Estep is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Estep accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 5 other insurers list William Estep as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Estep affiliated with any hospitals?

According to CMS data, William Estep is affiliated with Mercy Hospital Joplin, Freeman Health System - Freeman West and Freeman Neosho Hospital.

When was this NPI record last updated?

The NPPES record for William Estep was last updated on July 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.