Iris Lillian Vance, MD
Gastroenterology Physician · Durham, NC
Iris Lillian Vance, MD is a gastroenterology physician with a practice address in Durham, North Carolina, and NPI 1891061131, issued on Mar 30, 2012. Check the license (North Carolina 2017-00995, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Iris Lillian Vance
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 2017-00995 NC
Self-reported in NPPES; status is on the state search - Practice location
- Duke Health 40 Duke Medicine Circle, Durham, NC 27710
- Phone
- (919) 684-6437
- Enumerated
- Mar 30, 2012
- Record last updated
- Jan 7, 2025
- Fax
- (919) 681-8147
- Medicare enrollment
- Enrolled (PECOS I20170811001439); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 681 in North Carolina → Look up another NPI →
Verify Iris Lillian Vance in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2017-00995Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average gastroenterology physician in 2024
350 Medicare Part D claims for 175 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Gavilyte-G80 claims
- Esomeprazole Magnesium30 claims
- Omeprazole24 claims
- Octreotide Acetate17 claims
- Linzess16 claims
- Trulance15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Duke Health Integrated Practice IncRaleigh, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Iris Lillian Vance among 681 gastroenterology physician records in North Carolina
Iris Lillian Vance, MD is one of 681 gastroenterology physician records with a practice address in North Carolina. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2012 · median 2002 among the 498 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in North Carolina
There are 681 gastroenterology physician records in North Carolina.
All 681 in North Carolina → Every provider in Durham → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Amy Barto, M.D.Durham, NC 277101710934443
- Carla Brady, M.D.Durham, NC 277101811070055
- Malcolm Branch, MDDurham, NC 277101639252877
- Audrey BroomeDurham, NC 277101992888135
- Rebecca Burbridge, M.D.Durham, NC 277101184630972
- John Geneczko, M.D.Durham, NC 277101902875727
- Judith GentileDurham, NC 277101497838650
- Elizabeth GoacherDurham, NC 277101841373008
Common questions
What is Iris Lillian Vance, MD's NPI number?
Iris Lillian Vance, MD's National Provider Identifier (NPI) is 1891061131, issued on Mar 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Iris Lillian Vance, MD located?
The NPPES record lists a practice address at Duke Health 40 Duke Medicine Circle, Durham, NC, 27710. Phone: (919) 684-6437. Providers update this record themselves, so call before visiting.
How can I verify Iris Lillian Vance, MD's license?
NPPES lists North Carolina license number 2017-00995, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Iris Lillian Vance, MD prescribe under Medicare Part D?
In 2024, Iris Lillian Vance, MD had 350 Medicare Part D claims for 175 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.