Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. William D. Kessler Jr., MD

Individual provider Family Medicine Physician · NPI 1265421739

Dr. William D. Kessler Jr., MD is a Hospitalist in Joplin, Missouri. Graduated from Southern Illinois University School of Medicine in 1984, 42 years ago. Practices with Mercy Clinic Joplin LLC, a 295-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
42
Trained at
Southern Illinois University School of Medicine
Licensed in
MO
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

100 Mercy Way
Joplin, MO 64804-4524
Phone: (417) 781-2727
Fax: (417) 208-3625
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence R7G11 (MO)
Family Medicine Physician Taxonomy 207Q00000X · Licence R7G11 (MO)

Record details

NPI number1265421739
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 18, 2005
Last updated in NPPESApril 15, 2016
Mailing address100 Mercy Way, Joplin, MO 64804-4524

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Also practisesFAMILY PRACTICE
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Mercy Clinic Joplin Llc — 295 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Joplin