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OLIVER STEWART MD
NPI 1932764396
Internal Medicine - Gastroenterology in Cary, NC

Active since May 01, 2019PECOS Enrolled
100 DUKE HEALTH CARY PL STE 410, CARY, NC 27519(919) 684-6437 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 3, 2026, May 1, 2019 (2 updates tracked since 2019).

About Oliver Stewart Md NPPES

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

OLIVER STEWART MD (NPI 1932764396) is an individual gastroenterology provider in Cary, North Carolina, licensed in North Carolina (315217) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932764396
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameOLIVER STEWARTCredential: MD
Location Address100 DUKE HEALTH CARY PL STE 410Cary, NC 27519-6760
Mailing Address40 Duke Medicine CirDurham, NC 27710-4000 · (919) 684-1817 · Fax (919) 479-2664
Phone(919) 684-6437
Sole ProprietorNo
Enumeration DateMay 1, 2019
Last NPPES UpdateAugust 3, 20262 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1932764396 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 · 315217
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.
100 DUKE HEALTH CARY PL STE 410, Cary, NC 27519
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oliver Stewart Md 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 Reassignments

2

Medicare enrollment records show Oliver Stewart reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Duke University Health System, Inc.
15 mi
Nurse Anesthetist, Certified Registered
ERWIN RD
Durham, NC 27710
  • Reassigned Medicare billing, North Carolina enrollment
  • 1,482 clinicians in this Medicare group
NPI 1558392977 (919) 684-8111
Duke Health Integrated Practice, Inc.
15 mi
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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27519 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 Oliver Stewart's NPI number?

The NPI number for Oliver Stewart is 1932764396. It was assigned to this individual provider in the NPPES registry on May 1, 2019.

Where is Oliver Stewart located?

Oliver Stewart practices at 100 Duke Health Cary Pl Ste 410, Cary, NC 27519. The listed phone number is (919) 684-6437.

What is Oliver Stewart's specialty?

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

Is Oliver Stewart enrolled in Medicare?

Yes. Oliver Stewart is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Oliver Stewart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Oliver Stewart reassigns Medicare benefits to 2 organizations: Duke University Health System, Inc. (Durham, NC) and Duke Health Integrated Practice, Inc. (Durham, 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 Oliver Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Oliver Stewart was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.