Dr. Stephen J. Marquis, MD

  • Appleton, WI
  • Pediatrician
NPI1831183490
Industry payments
$11
Medical group
1
State license
1
Year NPI issued
2005
Practice address
N496 Milky Way, Appleton, WI 54915
Practice phone
Call (920) 738-2681
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ascension NE Wisconsin, Inc

Appleton, Wisconsin

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Dr. Stephen J. Marquis is a pediatrician in Appleton, Wisconsin

Dr. Marquis practices at Ascension NE Wisconsin, Inc in Appleton, Wisconsin.

Dr. Marquis' NPI, 1831183490, was assigned on September 9, 2005. Dr. Marquis holds Wisconsin license 33746.

NPI and contact details
NPI enumeration date
September 9, 2005
NPI status
Active
Practice phone
(920) 738-2681
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Stephen J. Marquis practices at Ascension NE Wisconsin, Inc in Appleton, Wisconsin

Dr. Marquis' primary practice is Ascension NE Wisconsin, Inc, at N496 Milky Way, Appleton, WI 54915 in Outagamie County. The practice phone is (920) 738-2681.

  • Ascension NE Wisconsin, Inc
    N496 Milky Way, Appleton, WI 54915 · Outagamie CountyPhone(920) 738-2681

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Stephen J. Marquis is affiliated with 1 site of care and 1 medical group

Dr. Marquis' primary practice is Ascension NE Wisconsin, Inc in Appleton, Wisconsin. The medical group on file is Ascension Medical Group WI - Main Street - Family Medicine.

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Stephen J. Marquis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marquis practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ascension NE Wisconsin, IncAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Stephen J. Marquis is one of 948 pediatricians in Wisconsin

Pediatrics is Dr. Marquis' primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Marquis is licensed in Wisconsin.

Specialties and state licenses

  • Pediatrics, WisconsinPrimaryLicense 33746 · taxonomy 208000000X

Pediatricians near Dr. Marquis

Counts of pediatricians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Stephen J. Marquis' patients have a median age of 13

Across all payers, Dmand AI patient panel data puts Dr. Marquis' median patient age at 13, with 38% women.

Dr. Marquis' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 13

Patient panel by sex, all payers

  • Women38%
  • Men61%

Source: Dmand AI Patient Panel Data

Dr. Stephen J. Marquis received $11 in industry payments in 2021

CMS Open Payments shows 1 general payment to Dr. Marquis from 1 drug or device company in 2021. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $11.

Companies that paid Dr. Marquis the most, 2021 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Marquis

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Stephen J. Marquis's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Stephen J. Marquis

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Stephen J. Marquis' NPI number?

Dr. Stephen J. Marquis' NPI number is 1831183490. It was assigned on September 9, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Stephen J. Marquis?

Dr. Stephen J. Marquis is a pediatrician in Appleton, Wisconsin. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).

Where does Dr. Stephen J. Marquis practice?

Dr. Marquis practices at N496 Milky Way, Appleton, WI 54915. Dr. Marquis' primary practice is Ascension NE Wisconsin, Inc in Appleton, Wisconsin.

What is Dr. Stephen J. Marquis' office phone number?

The practice phone on file for Dr. Marquis is (920) 738-2681.

What is Dr. Stephen J. Marquis' medical license number?

Dr. Marquis holds Wisconsin license 33746.

What medical group is Dr. Stephen J. Marquis part of?

Dr. Marquis is linked to Ascension Medical Group WI - Main Street - Family Medicine.

Has Dr. Stephen J. Marquis received payments from drug or device companies?

CMS Open Payments shows $11 in general payments to Dr. Marquis from 1 company from 2021 to 2021. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.

How long has Dr. Stephen J. Marquis been practicing?

Dr. Marquis' NPI was assigned in 2005.

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