DR. IRIS LILLIAN VANCE MD
NPI 1891061131
Internal Medicine - Gastroenterology in Durham, NC

Q: What is Iris Vance's NPI number?

The NPI number for Iris Vance is 1891061131. It was assigned to this individual provider in the NPPES registry on March 30, 2012.

Q: What is Iris Vance'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 Iris Vance was last updated on January 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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 March 30, 2012PECOS EnrolledAccepts Medicare Assignment

DUKE HEALTH 40 DUKE MEDICINE CIRCLE, DURHAM, NC 27710(919) 684-6437(919) 681-8147 Get Directions Write a Review

NPPES record last updated: January 7, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 7, 2025, Sep 8, 2021 (2 updates tracked since 2021).

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About Dr. Iris Lillian Vance Md NPPES

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

DR. IRIS LILLIAN VANCE MD (NPI 1891061131) is an individual gastroenterology provider in Durham, North Carolina, licensed in North Carolina (2017-00995) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and maintains a secondary practice location in Raleigh.

NPPES Registry Identity

NPI1891061131

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameDR. IRIS LILLIAN VANCECredential: MD

Location AddressDUKE HEALTH 40 DUKE MEDICINE CIRCLEDurham, NC 27710-0001

Mailing AddressDuke Health 40 Duke Medicine CircleDurham, NC 27710-0001 · (919) 684-6437 · Fax (919) 681-8147

Phone(919) 684-6437

Fax(919) 681-8147

Sole ProprietorNo

Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2012

Enumeration DateMarch 30, 2012

Last NPPES UpdateJanuary 7, 20252 updates tracked since enumeration

NPPES CertifiedJanuary 7, 2025

✔ NPI 1891061131 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 · 2017-00995

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.

DUKE HEALTH 40 DUKE MEDICINE CIRCLE, Durham, NC 27710

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Secondary Practice Location 1

Location 110207 Cerny St Ste 200Raleigh, NC 27617-4880 · Phone (919) 684-6437 · Fax (919) 681-8147

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina 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

Dr. Iris Lillian Vance Md 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 ID2860763679

PECOS Enrollment IDI20170811001439

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 Iris Vance reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Duke Health Integrated Practice, Inc.

Same address

General Practice

40 DUKE MEDICINE CIR
Durham, NC 27710

Reassigned Medicare billing, North Carolina enrollment
3,671 clinicians in this Medicare group

NPI 1205553369 (919) 620-4855

Duke University Health System, Inc.

0.4 mi

Social Worker

2213 ELBA ST
Durham, NC 27705

Reassigned Medicare billing, North Carolina enrollment
Also billed through NPI 1376574798 (North Carolina)
1,503 clinicians in this Medicare group

NPI 1497912232 (919) 684-0100

Dlp Maria Parham Physician Practices LLC

30 mi

Medical Oncology

1209 SE INDUSTRY DR
Oxford, NC 27565

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

NPI 1629447396 (919) 603-3275

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 12

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.

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.

102 services102 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.

43 services43 patients

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.

33 services33 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.

29 services27 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.

28 services28 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

24 services21 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.

20 services20 patients

Control of bleeding of small bowel using an endoscope 44378

This procedure involves using an endoscope, a thin tube with a light and camera, to view the small bowel and identify any bleeding areas. Special tools within the endoscope can then stop the bleeding by applying heat, clips, or medication.

19 services17 patients

Imaging of digestive tract done from the inside of the digestive tract 91110

This procedure, known as an endoscopy, involves a small camera being passed into the digestive tract. It helps doctors to see the inside of your digestive system in detail. This can aid in diagnosing conditions or planning treatments. It's generally safe and can provide valuable information.

18 services18 patients

Removal of large bowel tissue using a flexible endoscope 45390

This procedure, known as a colonoscopy, involves using a flexible endoscope to examine and potentially remove tissue from the large intestine. The endoscope allows the doctor to view the bowel lining directly and remove any abnormal tissue for further analysis.

14 services14 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.

13 services12 patients

Imaging of digestive tract done from the inside of the digestive tract 91110

12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Duke University Hospital

Acute Care Hospitals · Durham, NC

5/5 CMS rating

OwnershipProprietary

CMS Certification Number340030

Location2100 Erwin RdDurham, NC 27705 · Durham County

Emergency services Birthing friendly

Duke Regional Hospital

Acute Care Hospitals · Durham, NC

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number340155

Location3643 N Roxboro StreetDurham, NC 27704 · Durham County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27710 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.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Iris Vance's NPI number?

The NPI number for Iris Vance is 1891061131. It was assigned to this individual provider in the NPPES registry on March 30, 2012.

Where is Iris Vance located?

Iris Vance practices at Duke Health 40 Duke Medicine Circle, Durham, NC 27710. The listed phone number is (919) 684-6437.

What is Iris Vance's specialty?

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

Is Iris Vance enrolled in Medicare?

Yes. Iris Vance is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Iris Vance's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Iris Vance reassigns Medicare benefits to 3 organizations: Duke Health Integrated Practice, Inc. (Durham, NC), Duke University Health System, Inc. (Durham, NC) and Dlp Maria Parham Physician Practices LLC (Oxford, NC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Iris Vance's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Iris Vance accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Blue Cross and Blue Shield of NC and 1 other insurer list Iris Vance as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Iris Vance affiliated with any hospitals?

According to CMS data, Iris Vance is affiliated with Duke University Hospital and Duke Regional Hospital.

When was this NPI record last updated?

The NPPES record for Iris Vance was last updated on January 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.