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

Nizar P Hallak, MD

Individual provider Internal Medicine Physician · NPI 1861627697

Nizar P Hallak, MD is a Gastroenterology in Columbia, South Carolina. Qualified in 2005, 21 years ago. Practices with Mainehealth, a 2,615-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Florida, Maine, South Carolina and Wisconsin.

Years since qualifying
21
Licensed in
FL, ME, SC, WI
In the registry since
2009
Specialties on file
5
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

3 Richland Medical Park Dr Ste 120
Columbia, SC 29203-6850
Phone: (803) 434-8866
Fax: (803) 256-0397
Show map & directions

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

Additional practice locations (2)

  • 360 Broadway Ste 100, Bangor, ME 04401-3985 — (207) 907-3550
  • 123 Medical Center Dr, Brunswick, ME 04011-2652 — (207) 406-7300

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 51592 (SC)
Internal Medicine Physician Taxonomy 207R00000X · Licence 53079-020 (WI)
Gastroenterology Physician Taxonomy 207RG0100X · Licence ME163699 (FL)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 53079 (WI)
Gastroenterology Physician Taxonomy 207RG0100X · Licence MD22357 (ME)

Record details

NPI number1861627697
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 22, 2009
Last updated in NPPESApril 2, 2024
Certification dateApril 2, 2024

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Mainehealth — 2615 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Columbia