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

Dr. Jack Marvin McLendon Jr., MD

Individual provider Internal Medicine Physician · NPI 1588750566

Dr. Jack Marvin McLendon Jr., MD is an Internal Medicine in Sheffield, Alabama. Graduated from University of South Alabama College of Medicine in 1983, 43 years ago. Practices with Helen Keller Inpatient Physician Services, a 4-clinician group and accepts Medicare assignment. Licensed in Alabama.

Years since qualifying
43
Trained at
University of South Alabama College of Medicine
Licensed in
AL
In the registry since
2006
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

1120 S Jackson Hwy Ste 300
Sheffield, AL 35660-5777
Phone: (256) 383-4447
Fax: (256) 381-7999
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 11461 (AL)

Record details

NPI number1588750566
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 5, 2006
Last updated in NPPESFebruary 27, 2015

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF SOUTH ALABAMA COLLEGE OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Helen Keller Inpatient Physician Services — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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