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

Dr. Stephen C Hammack, MD

Individual provider Family Medicine Physician · NPI 1639396393

Dr. Stephen C Hammack, MD is a Family Practice in Flowood, Mississippi. Graduated from University of Mississippi School of Medicine in 2004, 22 years ago. Practices with Hattiesburg Clinic PA, a 530-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Mississippi.

Years since qualifying
22
Trained at
University of Mississippi 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

294 E Layfair Dr
Flowood, MS 39232-9526
Phone: (601) 414-6520
Show map & directions

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

Additional practice locations (2)

  • 332 Highway 12 West, Kosciusko, MS 39090 — (662) 289-1800
  • 286 Calhoun Station Pkwy, Madison, MS 39110-5537 — (601) 200-4321

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 19226 (MS)

Record details

NPI number1639396393
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 20, 2007
Last updated in NPPESJune 12, 2023
Certification dateMay 28, 2021
Mailing addressPo Box 23996, Jackson, MS 39225

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Hattiesburg Clinic Pa — 530 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Flowood