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

Michael E Portner, MD

Individual provider Nephrology Physician · NPI 1659439867

Michael E Portner, MD is a Nephrology in Cleveland, Mississippi. Graduated from University of Mississippi School of Medicine in 1980, 46 years ago. Practices with Delta Hills Nephrology Associates, a 3-clinician group and accepts Medicare assignment. Licensed in Mississippi.

Years since qualifying
46
Trained at
University of Mississippi School of Medicine
Licensed in
MS
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

803 First St
Cleveland, MS 38732
Phone: (662) 843-2721
Show map & directions

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

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 09174 (MS)

Record details

NPI number1659439867
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 4, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressPo Box 306, Delta Hills Nephrology Associates, Greenwood, MS 38935-0306

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Medical schoolUNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
Graduated 1980 (46 years in practice)
Group practice Delta Hills Nephrology Associates — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare