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Dr. John S. Marshall, MD
NPI1366471997
- Medicare services, 2020
- 117
- Part D claims, 2022
- 17
- Publications
- 5
- Hospital affiliations
- 1
- Industry payments
- $2,248
- Practice address
- 600 South 13th Street, Pekin, IL 61554
- Practice phone
- Call (309) 347-1151
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. John S. Marshall is a general surgeon in Pekin, Illinois
Dr. Marshall practices at Carle Health Pekin Hospital in Pekin, Illinois, part of The Carle Foundation.
Dr. Marshall's NPI, 1366471997, was assigned on July 3, 2006. Dr. Marshall holds Illinois license 036070170.
NPI and contact details
- NPI
- 1366471997NPI Registry (opens in a new tab)
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Practice phone
- (309) 347-1151
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John S. Marshall practices at Carle Health Pekin Hospital in Pekin, Illinois
Dr. Marshall's primary practice is Carle Health Pekin Hospital, at 600 South 13th Street, Pekin, IL 61554 in Tazewell County. The practice phone is (309) 347-1151.
- Carle Health Pekin Hospital600 South 13th Street, Pekin, IL 61554 · Tazewell CountyPhone(309) 347-1151
Source: Dmand AI Affiliation Data
Dr. John S. Marshall is affiliated with 3 sites of care and 2 medical groups
Dr. Marshall's primary practice is Carle Health Pekin Hospital in Pekin, Illinois, part of The Carle Foundation. The medical group on file is Associated Anesthesiologists. Dmand AI also links Dr. Marshall to 1 more group practice or clinic, 1 hospital outpatient department and 1 medical group, each named with a free account.
Associated Anesthesiologists1 group practice or clinicName with a free account1 hospital outpatient departmentName with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. MarshallSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John S. Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Carle Health Pekin Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John S. Marshall is one of 1,217 general surgeons in Illinois
Surgery is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Marshall is licensed in Illinois.
Specialties and state licenses
- Surgery, IllinoisPrimary
General surgeons near Dr. Marshall
Counts of general surgeons 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. John S. Marshall billed Medicare for 117 services in 2020
CMS data shows 117 Medicare services from Dr. Marshall across 2 procedure codes in 2020. Medicare paid $8,988 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2020117
Paid by Medicare$8,988
Procedure codes2
Dr. Marshall's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 6612020: 11782%
Dr. Marshall compared with the Illinois median for general surgeons, 2020
- Dr. Marshall
- Illinois median
- Medicare services
- 117vs 19440% below
- Part D claims
- 17vs 2839% below
Medians across 1,031 general surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Marshall's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marshall and other general surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John S. Marshall's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Marshall's median patient age at 53, with 100% women.
Dr. Marshall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. John S. Marshall wrote 17 Medicare Part D claims in 2022
In 2022, Dr. Marshall wrote 17 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $111 in total drug cost.
Part D claims, 202217
Drugs named by CMS1
Total drug cost$111
Dr. Marshall's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John S. Marshall has 5 publications on record
Dmand AI links 5 papers to Dr. Marshall, published from 2012 to 2023. The most frequent topics are Obesity, Morbid. Dr. Marshall's most frequent co-authors are James R. Debord, MD, Thomas R. Rossi, MD and Matthew T. Bramlet, MD.
Papers5
Years published2012 to 2023
Dr. Marshall's papers by year, 2012 to 2023
Topics Dr. Marshall writes about most
- Obesity, Morbid
Dr. Marshall's most frequent co-authors
- James R. Debord, MD2 shared papers
- Thomas R. Rossi, MD2 shared papers
- Matthew T. Bramlet, MD1 shared paper
Recent publications by Dr. Marshall
Ablation TechniquesColectomyColorectal Neoplasms
AbdominoplastyObesity, AbdominalObesity, Morbid
Bariatric SurgeryBody CompositionObesity, Morbid
See who Dr. Marshall researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marshall works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John S. Marshall received $2,248 in industry payments from 2016 to 2020
CMS Open Payments shows 47 general payments to Dr. Marshall from 15 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 58% of the total. Intuitive Surgical, Inc. paid the most, $1,572.
General payments to Dr. Marshall by program year, 2016 to 2020
General payments to Dr. Marshall by kind, 2016 to 2020
$2.2Kin total
- Food and beverage$1,30158%
- Travel and lodging$94842%
Companies that paid Dr. Marshall the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John S. Marshall's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John S. Marshall
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. John S. Marshall's NPI number?
Dr. John S. Marshall's NPI number is 1366471997. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John S. Marshall?
Dr. John S. Marshall is a general surgeon in Pekin, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John S. Marshall practice?
Dr. Marshall practices at 600 South 13th Street, Pekin, IL 61554. Dr. Marshall's primary practice is Carle Health Pekin Hospital in Pekin, Illinois, part of The Carle Foundation. Dmand AI also links Dr. Marshall to 1 group practice or clinic, 1 hospital outpatient department and 1 medical group.
What is Dr. John S. Marshall's office phone number?
The practice phone on file for Dr. Marshall is (309) 347-1151.
What is Dr. John S. Marshall's medical license number?
Dr. Marshall holds Illinois license 036070170.
Which hospitals is Dr. John S. Marshall affiliated with?
Dr. Marshall practices at Carle Health Pekin Hospital in Pekin, Illinois.
What medical group is Dr. John S. Marshall part of?
Dr. Marshall is linked to Associated Anesthesiologists. Dmand AI links Dr. Marshall to 1 more medical group.
Does Dr. John S. Marshall accept Medicare?
Yes. CMS data shows Dr. Marshall billed Medicare for 117 services in 2020.
What services does Dr. John S. Marshall bill to Medicare?
In 2020, Dr. Marshall's most billed Medicare services were hospital inpatient care (99231) and critical care (99291).
What drugs does Dr. John S. Marshall prescribe most?
In 2022 Medicare Part D data, Dr. Marshall's most prescribed drugs by claims were Warfarin Sodium.
Show 4 more questionsShow fewer questions
Has Dr. John S. Marshall received payments from drug or device companies?
CMS Open Payments shows $2,248 in general payments to Dr. Marshall from 15 companies from 2016 to 2020. The largest total came from Intuitive Surgical, Inc.
How long has Dr. John S. Marshall been practicing?
Dr. Marshall's NPI was assigned in 2006.
Does Dr. John S. Marshall do research?
Dmand AI links 5 publications to Dr. Marshall, published from 2012 to 2023.
Who does Dr. John S. Marshall publish with?
Dr. Marshall's most frequent co-authors are James R. Debord, MD (2 shared papers), Thomas R. Rossi, MD (2 shared papers) and Matthew T. Bramlet, MD (1 shared paper).
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