DR. ROBERT MARK STEWART (M.D.) – Internal Medicine Physician, NPI 1124104609

DR. ROBERT MARK STEWART (M.D.) is a healthcare provider. based in Sioux city, Iowa. specializing in Internal Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 20182 (IA). The NPI Number for DR. ROBERT MARK STEWART (M.D.) is 1124104609

Main info

Male
Name
DR. ROBERT MARK STEWART (M.D.)
NPI
1124104609
Phone
(712) 255-8827
Address
2730 PIERCE ST
Enumeration Date
27 October 2006
Last Update Date
11 August 2009
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. ROBERT MARK STEWART (M.D.)

  • Siouxland Obstetrics and Gynecology Center, 2730, Pierce Street, Sioux City, Woodbury County, Iowa, 51104, United States

    SUITE 401

    SIOUX CITY, IA 511043796

    Phone: (712) 255-8827

    Fax: (712) 255-4862

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

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Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 51104)

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Reviews

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Frequently asked questions

Can I cross-check DR. ROBERT MARK STEWART (M.D.) using NPI 1124104609?
NPI 1124104609 belongs to DR. ROBERT MARK STEWART (M.D.); compare other details if you need extra assurance.
Is DR. ROBERT MARK STEWART (M.D.) still an active registrant?
DR. ROBERT MARK STEWART (M.D.) carries an active NPI according to the public dataset.
How would a patient describe DR. ROBERT MARK STEWART (M.D.)'s focus?
For DR. ROBERT MARK STEWART (M.D.), the primary taxonomy reads as Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Where in Iowa is DR. ROBERT MARK STEWART (M.D.) registered?
Use Sioux City, Iowa as the headline location for DR. ROBERT MARK STEWART (M.D.) here.
When was this NPI issued?
Enumeration for DR. ROBERT MARK STEWART (M.D.) is noted as October 27, 2006 where the registry provides it.

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