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

Portia M Harris, MD

Individual provider Rheumatology Physician · NPI 1669662292

Portia M Harris, MD is a Rheumatology in Hattiesburg, Mississippi. Graduated from Tulane University School of Medicine in 2003, 23 years ago. Practices with Hattiesburg Clinic PA, a 530-clinician group and accepts Medicare assignment. Licensed in Mississippi.

Years since qualifying
23
Trained at
Tulane University School of Medicine
Licensed in
MS
In the registry since
2007
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

104 Millsaps Dr
Hattiesburg, MS 39402-1328
Phone: (601) 288-7500
Fax: (601) 268-5179
Show map & directions

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

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 20212 (MS)

Record details

NPI number1669662292
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 30, 2007
Last updated in NPPESJuly 22, 2020
Certification dateJuly 22, 2020

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Hattiesburg Clinic Pa — 530 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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