Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARY CECELIA PORTIS M.D.
NPI 1265415822
Internal Medicine - Gastroenterology in Memphis, TN

Active since November 28, 2005
6005 PARK AVE, SUITE 323B, MEMPHIS, TN 38119(901) 684-5500(901) 684-5518 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Mary Cecelia Portis M.d. NPPES

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

DR. MARY CECELIA PORTIS M.D. (NPI 1265415822) is an individual gastroenterology provider in Memphis, Tennessee, licensed in Tennessee (MD26819) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1265415822
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. MARY CECELIA PORTISCredential: M.D.
Location Address6005 PARK AVE, SUITE 323BMemphis, TN 38119-5202
Mailing Address6005 Park Ave, Suite 323bMemphis, TN 38119-5202 · (901) 684-5500 · Fax (901) 684-5518
Fax(901) 684-5518
Sole ProprietorNo
Enumeration DateNovember 28, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1265415822 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in TN · MD26819
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
6005 PARK AVE, Memphis, TN 38119

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.

In Home Supportive Care
6005 PARK AVE, SUITE 111
MEMPHIS, TN 38119
Surgery
6005 PARK AVE, SUITE 821-B
MEMPHIS, TN 38119
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
6005 PARK AVE, SUITE 400
MEMPHIS, TN 38119
Internal Medicine (Hematology & Oncology)
6005 PARK AVE, 1000-B
MEMPHIS, TN 38119
Technician/Technologist (Optician)
6005 PARK AVE, SUITE #100 ST FRANCIS OPTICAL DISP
MEMPHIS, TN 38119
Social Worker (Clinical)
6005 PARK AVE
MEMPHIS, TN 38119
Anesthesiology
6005 PARK AVE
MEMPHIS, TN 38119
Registered Nurse (Psychiatric/Mental Health)
6005 PARK AVE, SUITE 630B
MEMPHIS, TN 38119

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 Mary Portis's NPI number?

The NPI number for Mary Portis is 1265415822. It was assigned to this individual provider in the NPPES registry on November 28, 2005.

Where is Mary Portis located?

Mary Portis practices at 6005 Park Ave Suite 323B, Memphis, TN 38119. The listed phone number is (901) 684-5500.

What is Mary Portis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Mary Portis was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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.