1. Home
  2. Directory
  3. Missouri
  4. Joplin
  5. Physician Assistant
  6. NPI Profile
Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

WILLIAM JEFFRIES
NPI 1417856741
Physician Assistant in Joplin, MO

Active since November 03, 2026
100 MERCY WAY, JOPLIN, MO 64804(417) 781-2727 Get Directions Write a Review

NPPES record added: November 3, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About William Jeffries NPPES

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

WILLIAM JEFFRIES (NPI 1417856741) is an individual physician assistant in Joplin, Missouri and active in the NPI registry since November 2026.

NPPES Registry Identity

NPI1417856741
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameWILLIAM JEFFRIES
Location Address100 MERCY WAYJoplin, MO 64804-4524
Mailing Address712 Meadow LnNevada, MO 64772-3977 · (573) 310-1743
Phone(417) 781-2727
Sole ProprietorYes
Enumeration DateNovember 3, 2026
NPPES CertifiedNovember 3, 2026
✔ NPI 1417856741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
100 MERCY WAY, Joplin, MO 64804
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

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

LAWRENCE ANTHONY HOYT MD
Internal Medicine
100 MERCY WAY
JOPLIN, MO 64804
Newton County (417) 556-3754
THAD L TAYLOR FNP
Nurse Practitioner (Family)
100 MERCY WAY
JOPLIN, MO 64804
Newton County (417) 556-2300
MOLLY MAY MARRIOTT RDN
Dietitian, Registered
100 MERCY WAY
JOPLIN, MO 64804
Newton County (417) 781-2727
MR. CASEY LANE TRUITT RN, BSN, CCRN
Registered Nurse
100 MERCY WAY
JOPLIN, MO 64804
Newton County (417) 556-3729
CLINTON R LOY DO
Emergency Medicine
100 MERCY WAY
JOPLIN, MO 64804
Newton County (417) 556-2300
DR. OLAKANMI JOSEPH DELEAWE MD
Hospitalist
100 MERCY WAY
JOPLIN, MO 64804
Newton County (417) 556-2727
DIAN ZHANG PA-C
Physician Assistant (Surgical)
100 MERCY WAY
JOPLIN, MO 64804
Newton County (417) 781-2727
JONATHAN MICHAEL FURING SURGICAL ASSISTANT
Specialist/Technologist, Other (Surgical Assistant)
100 MERCY WAY
JOPLIN, MO 64804
Newton County (417) 556-3560

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 Jeffries's NPI number?

The NPI number for William Jeffries is 1417856741. It was assigned to this individual provider in the NPPES registry on November 3, 2026.

Where is William Jeffries located?

William Jeffries practices at 100 Mercy Way, Joplin, MO 64804. The listed phone number is (417) 781-2727.

What is William Jeffries's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for William Jeffries was last updated on November 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.