ROBERT DJ HENIHAN M.D.
NPI 1912950403
Internal Medicine - Gastroenterology in Wilmington, NC

Q: What is Robert Henihan's NPI number?

The NPI number for Robert Henihan is 1912950403. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Q: What is Robert Henihan'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 Robert Henihan 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 3 months 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 18, 2006PECOS Enrolled

100/100

CMS Quality Rating

5115 OLEANDER DR, WILMINGTON, NC 28403(910) 362-1011(910) 362-1012 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Robert Dj Henihan M.d. NPPES

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

ROBERT DJ HENIHAN M.D. (NPI 1912950403) is an individual gastroenterology provider in Wilmington, North Carolina, licensed in North Carolina (9800901) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912950403

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameROBERT DJ HENIHANCredential: M.D.

Location Address5115 OLEANDER DRWilmington, NC 28403-7018

Mailing Address5115 Oleander DrWilmington, NC 28403-7018 · (910) 362-1011 · Fax (910) 362-1012

Phone(910) 362-1011

Fax(910) 362-1012

Sole ProprietorNo

Enumeration DateMay 18, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1912950403 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 NC · 9800901

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.

5115 OLEANDER DR, Wilmington, NC 28403

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Other Identifiers 1

Medicaid891154LNC

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert Dj Henihan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Robert Henihan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wilmington Gastroenterology Associates,pa

Same address

Gastroenterology

5115 OLEANDER DR
Wilmington, NC 28403

Reassigned Medicare billing, North Carolina enrollment
19 clinicians in this Medicare group

NPI 1922040419 (910) 362-1011

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 17

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.

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.

211 services210 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.

196 services196 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.

134 services133 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

120 services21 patients

Infusion, normal saline solution, 250 cc J7050

An infusion of normal saline solution, 250 cc, involves administering a sterile saltwater solution into your body through a vein, usually in your arm. This helps to replenish fluids, maintain hydration, and balance electrolytes in your body.

116 services20 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

79 services71 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

52 services52 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

47 services47 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.

40 services40 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

40 services39 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

37 services36 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.

35 services31 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.

25 services25 patients

Dilation of esophagus 43450

Dilation of the esophagus is a procedure aimed to stretch or open up your esophagus (the tube connecting your mouth to your stomach) when it's narrow. It helps to improve swallowing and alleviate discomfort. It's typically performed using a flexible tube or balloon, under sedation.

21 services21 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

19 services19 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.

13 services13 patients

Biopsy of lower large bowel using a flexible endoscope 45331

A biopsy of the lower large bowel involves using a flexible tube with a camera (endoscope) to examine this part of your digestive tract. Small tissue samples may be taken for further examination to detect any abnormalities.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 28403 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

$125.01 typical visit price

range $54.12 – $165.09

Typical copayment $31.25 (range $13.53 – $41.27)

Most-billed visit code 99204

Established Patient

$95.94 typical visit price

range $17.21 – $134.61

Typical copayment $23.98 (range $4.30 – $33.65)

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.

100/100

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

Scored as part of a group practice

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.

CALLIE BRINKER PA-C

Physician Assistant