James M. Millis

  • Chicago, IL
  • General surgeon
NPI1447315270PAC ID6800939638
Medicare services, 2024
88
Medicare patients, 2024
116
Publications
44
Hospital affiliations
2
Industry payments
$17,338
Practice address
5841 S Maryland Ave, Chicago, IL 60637
Practice phone
Call (773) 702-1530
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

The University of Chicago Medical Center

Chicago, Illinois

See all 6 affiliations

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James M. Millis is a general surgeon in Chicago, Illinois

James Millis practices at The University of Chicago Medical Center in Chicago, Illinois.

James Millis' NPI, 1447315270, was assigned on December 22, 2006. James Millis graduated from University of Tennessee, Hsc, College of Medicine in 1985. James Millis holds Illinois license 036088825.

NPI and contact details
Medicare PAC ID
6800939638
NPI enumeration date
December 22, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(773) 702-1530
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
67
Medical school graduation
1985

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

James M. Millis practices at The University of Chicago Medical Center in Chicago, Illinois

James Millis' primary practice is The University of Chicago Medical Center, at 5841 S Maryland Ave, Chicago, IL 60637 in Cook County. The practice phone is (773) 702-1530.

  • The University of Chicago Medical Center
    5841 S Maryland Ave, Chicago, IL 60637 · Cook CountyPhone(773) 702-1530

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

James M. Millis is affiliated with 3 sites of care and 3 medical groups

James Millis' primary practice is The University of Chicago Medical Center in Chicago, Illinois. James Millis is also affiliated with University of Chicago Medical Center. The medical group on file is UChicago Medicine Physicians. Dmand AI also links James Millis to 1 more hospital and 2 medical groups, each named with a free account.

See all 6 affiliations for James Millis

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

Dmand AI tracks the EHR system at James M. Millis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where James Millis practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The University of Chicago Medical CenterAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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James M. Millis is one of 1,217 general surgeons in Illinois

Surgery is James Millis' primary specialty in the NPI Registry, under taxonomy code 208600000X. James Millis is licensed in Illinois.

Specialties and state licenses

  • Surgery, IllinoisPrimaryLicense 036088825 · taxonomy 208600000X

General surgeons near James Millis

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

James M. Millis billed Medicare for 88 services in 2024

CMS data shows 88 Medicare services from James Millis across 5 procedure codes in 2024, for 116 Medicare patients. Medicare paid $40,001 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202488
Medicare patients116
Paid by Medicare$40,001
Procedure codes5

James Millis' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 762024: 6712%
Surgery
2023: 332024: 2136%

James Millis compared with the Illinois median for general surgeons, 2024

  • James Millis
  • Illinois median
Medicare services
88vs 19455% below
Medicare patients
116vs 14419% below

Medians across 1,031 general surgeons in Illinois with Dmand AI profiles that report each measure.

James Millis' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by James Millis

Need commercial claims for James Millis?

Medicare shows one payer. Book a meeting to get commercial claims data for James Millis and other general surgeons in Illinois.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

James M. Millis treated 116 Medicare patients in 2024, average age 71

CMS counts 116 Medicare patients who saw James Millis in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have high blood pressure, and 64% have high cholesterol. 32% are also on Medicaid. Their average risk score is 2.27, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts James Millis' median patient age at 69, with 46% women.

Medicare patients, 2024116
Average age71
Average risk score2.27
Also on Medicaid32%

James Millis' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

James Millis' Medicare patients by sex, 2024

  • Women6153%
  • Men5547%

Chronic conditions among James Millis' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol64%
  3. Arthritis53%
  4. Diabetes37%
  5. Chronic kidney disease35%
  6. Heart failure34%
  7. Ischemic heart disease31%
  8. COPD28%

Share of Medicare patients with each condition. A patient can have several.

James Millis' patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women46%
  • Men54%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How James M. Millis takes part in Medicare

James Millis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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James M. Millis has 44 publications on record

Dmand AI links 44 papers to James Millis, published from 2010 to 2024. 2024 was the busiest year, with 4. The most frequent topics are Islets of Langerhans Transplantation, Liver Transplantation and T-Lymphocytes, Regulatory. James Millis has published most often in Ann Surg. James Millis' most frequent co-authors are Piotr P. Witkowski, John J. Fung and Ryosuke Misawa, MD.

Papers44
Years published2010 to 2024

James Millis' papers by year, 2014 to 2024

Topics James Millis writes about most

  • Islets of Langerhans Transplantation
  • Liver Transplantation
  • T-Lymphocytes, Regulatory
  • Immunosuppression Therapy
  • Immunosuppressive Agents
  • Islets of Langerhans
  • Liver Neoplasms
  • Living Donors

James Millis' most frequent co-authors

Recent publications by James Millis

See all 44 publications and co-authors

See who James Millis researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who James Millis works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

James M. Millis received $17,338 in industry payments from 2016 to 2025

CMS Open Payments shows 42 general payments to James Millis from 9 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 43% of the total. Ethicon Inc. paid the most, $5,149. It also lists 11 research payments totaling $27,850 from 2019 to 2025.

General payments to James Millis by program year, 2016 to 2025

General payments to James Millis by kind, 2016 to 2025

$17.3Kin total
  • Consulting fees$7,39543%
  • Travel and lodging$4,62327%
  • Honoraria$3,70021%
  • Food and beverage$1,0746%
  • Speaker and faculty fees$5453%

Companies that paid James Millis the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to James Millis

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

James M. Millis graduated from University of Tennessee, Hsc, College of Medicine

James Millis graduated from University of Tennessee, Hsc, College of Medicine in 1985.

  1. Medical schoolUniversity of Tennessee, Hsc, College of Medicine

Source: Dmand AI Professional Profile Data

Sources for James M. Millis'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 DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 James M. Millis

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

What is James M. Millis' NPI number?

James M. Millis' NPI number is 1447315270. It was assigned on December 22, 2006, and it is active in the NPI Registry.

What does James M. Millis specialize in?

James M. Millis is a general surgeon in Chicago, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does James M. Millis practice?

James Millis practices at 5841 S Maryland Ave, Chicago, IL 60637. James Millis' primary practice is The University of Chicago Medical Center in Chicago, Illinois. Dmand AI also links James Millis to 1 hospital and 2 medical groups.

What is James M. Millis' office phone number?

The practice phone on file for James Millis is (773) 702-1530.

What is James M. Millis' medical license number?

James Millis holds Illinois license 036088825.

Which hospitals is James M. Millis affiliated with?

James Millis is affiliated with University of Chicago Medical Center. Dmand AI links James Millis to 1 more hospital.

What medical group is James M. Millis part of?

James Millis is linked to UChicago Medicine Physicians. Dmand AI links James Millis to 2 more medical groups.

Does James M. Millis accept Medicare?

Yes. CMS data shows James Millis billed Medicare for 88 services in 2024, and James Millis accepts Medicare assignment.

How many Medicare patients does James M. Millis see?

CMS counts 116 Medicare patients who saw James Millis in 2024, with an average age of 71.

What services does James M. Millis bill to Medicare?

In 2024, James Millis' most billed Medicare services were surgery: digestive system (47120), hospital inpatient care (99233) and hospital inpatient care (99222).

Show 5 more questionsShow fewer questions

Where did James M. Millis go to medical school?

James Millis graduated from University of Tennessee, Hsc, College of Medicine in 1985.

Has James M. Millis received payments from drug or device companies?

CMS Open Payments shows $17,338 in general payments to James Millis from 9 companies from 2016 to 2025. The largest total came from Ethicon Inc.

How long has James M. Millis been practicing?

James Millis graduated from medical school in 1985, 41 years ago.

Does James M. Millis do research?

Dmand AI links 44 publications to James Millis, published from 2010 to 2024.

Who does James M. Millis publish with?

James Millis' most frequent co-authors are Piotr P. Witkowski (19 shared papers), John J. Fung (6 shared papers) and Ryosuke Misawa, MD (6 shared papers).

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