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

John William Allen Jr., MD

Individual provider Hospitalist Physician · NPI 1801868666

John William Allen Jr., MD is an Internal Medicine in Olive Branch, Mississippi. Graduated from University of Mississippi School of Medicine in 1998, 28 years ago. Practices with Methodist Inpatient Physicians LLC, a 123-clinician group, works from 4 locations, accepts Medicare assignment and offers telehealth. Licensed in Mississippi and Tennessee.

Years since qualifying
28
Trained at
University of Mississippi School of Medicine
Licensed in
MS, TN
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5480 Goodman Rd Ste 1
Olive Branch, MS 38654-7902
Phone: (662) 874-6507
Fax: (662) 932-8197
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 4250 Bethel Rd, Olive Branch, MS 38654-8737 — (901) 516-1290
  • 7163 Goodman Rd, Olive Branch, MS 38654-1904 — (662) 874-6507
  • 7691 Poplar Ave, Germantown, TN 38138-3904 — (901) 516-1290

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 17289 (MS)
Hospitalist Physician Taxonomy 208M00000X · Licence 17289 (MS)
Hospitalist Physician Taxonomy 208M00000X · Licence 50030 (TN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 50030 (TN)

Record details

NPI number1801868666
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 6, 2006
Last updated in NPPESFebruary 2, 2024
Certification dateFebruary 2, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolUNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Methodist Inpatient Physicians Llc — 123 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Olive Branch