NIZAR P HALLAK M.D.
NPI 1861627697
Internal Medicine - Gastroenterology in Columbia, SC

Q: What is Nizar Hallak's NPI number?

The NPI number for Nizar Hallak is 1861627697. It was assigned to this individual provider in the NPPES registry on May 22, 2009.

Q: What is Nizar Hallak's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Nizar Hallak was last updated on April 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.

Active since May 22, 2009PECOS EnrolledAccepts Medicare Assignment

99.32/100

CMS Quality Rating

3 RICHLAND MEDICAL PARK DR STE 120, COLUMBIA, SC 29203(803) 434-8866(803) 256-0397 Get Directions Write a Review

NPPES record last updated: April 2, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 2, 2024, Aug 28, 2023, Oct 6, 2020 and 1 more (4 updates tracked since 2018).

On this page

About Nizar P Hallak M.d. NPPES

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

NIZAR P HALLAK M.D. (NPI 1861627697) is an individual gastroenterology provider in Columbia, South Carolina, licensed in South Carolina (51592) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS, is affiliated with Mid Coast Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1861627697

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameNIZAR P HALLAKCredential: M.D.

Location Address3 RICHLAND MEDICAL PARK DR STE 120Columbia, SC 29203-6850

Mailing AddressPo Box 743904Atlanta, GA 30374-3904 · (803) 296-7320 · Fax (803) 296-7330

Phone(803) 434-8866

Fax(803) 256-0397

Sole ProprietorNo

Medical School CMSOtherGraduated 2005

Enumeration DateMay 22, 2009

Last NPPES UpdateApril 2, 20244 updates tracked since enumeration

NPPES CertifiedApril 2, 2024

✔ NPI 1861627697 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in SC · 51592✔ Licensed in FL · ME163699✔ Licensed in WI · 53079✔ Licensed in ME · MD22357

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 53079-020 (WI)

3 RICHLAND MEDICAL PARK DR STE 120, Columbia, SC 29203

Open in Google Maps ↗

Secondary Practice Locations 2

Location 1360 Broadway Ste 100Bangor, ME 04401-3985 · Phone (207) 907-3550 · Fax (207) 907-3562

Location 2123 Medical Center DrBrunswick, ME 04011-2652 · Phone (207) 406-7300 · Fax (207) 835-4736

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina, Anthem Blue Cross and Blue Shield and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nizar P Hallak M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749331247

PECOS Enrollment IDI20170907003316, I20180501000163

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Nizar Hallak reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Coastal Carolina Multispecialty Associates, LLC

89 mi

Specialist

295A MIDLAND PKWY STE 120
Summerville, SC 29485

Reassigned Medicare billing, South Carolina enrollment
51 clinicians in this Medicare group

NPI 1518079102 (843) 875-8994

Gastro Health, LLC

382 mi

Gastroenterology

6735 CONROY RD STE 214
Orlando, FL 32835

Reassigned Medicare billing, Florida enrollment
325 clinicians in this Medicare group

NPI 1568194306 (407) 395-7040

Ascension Medical Group-Southeast Wisconsin Inc

725 mi

Anesthesiology

2301 N LAKE DR
Milwaukee, WI 53211

Reassigned Medicare billing, Wisconsin enrollment
1,343 clinicians in this Medicare group

NPI 1194473066 (414) 585-1000

Mainehealth

864 mi

Multi-Specialty

1 MEDICAL CENTER DR
Biddeford, ME 04005

Reassigned Medicare billing, Maine enrollment
3,140 clinicians in this Medicare group

NPI 1215417019 (207) 283-7000

St. Joseph Hospital

990 mi

General Acute Care Hospital

360 BROADWAY
Bangor, ME 04401

Reassigned Medicare billing, Maine enrollment
259 clinicians in this Medicare group

NPI 1154321545 (207) 907-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

168 services164 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

67 services67 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

47 services45 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

38 services38 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

33 services33 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

31 services31 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

29 services28 patients

Insertion of stomach tube using a flexible endoscope 43246

This procedure involves the use of a flexible endoscope, a thin tube with a light and camera, to insert a stomach tube. It helps doctors view and access your stomach without surgery. It's typically performed under sedation to ensure comfort.

28 services28 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

23 services23 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

18 services18 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

16 services16 patients

Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43255

This procedure involves using a flexible tube with a light, called an endoscope, to examine and treat bleeding in the esophagus, stomach, or upper small bowel. It's a safe, effective way to control bleeding and ensure your digestive health.

15 services15 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mid Coast Hospital

Acute Care Hospitals · Brunswick, ME

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number200021

Location123 Medical Center DriveBrunswick, ME 04011 · Cumberland County

Emergency services Birthing friendly

Trident Medical Center

Acute Care Hospitals · Charleston, SC

3/5 CMS rating

OwnershipProprietary

CMS Certification Number420079

Location9330 Medical Plaza DrCharleston, SC 29406 · Charleston County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29203 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$124.04 typical visit price

range $53.57 – $163.84

Typical copayment $31.01 (range $13.39 – $40.96)

Most-billed visit code 99204

Established Patient

$95.12 typical visit price

range $16.96 – $133.52

Typical copayment $23.78 (range $4.24 – $33.38)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.32/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

90.59

Promoting Interoperability

100

Improvement Activities

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.

MR. BALBIR SINGH MINHAS MD

Internal Medicine (Gastroenterology)