Dr. Keith William Millikan, MD

  • Chicago, IL
  • General surgeon
NPI1083789853PAC ID6305880303
Medicare services, 2024
167
Medicare patients, 2024
135
Part D claims, 2024
14
Publications
51
Clinical trials
1
Practice address
1653 West Congress Parkway, Chicago, IL 60612
Practice phone
Call (312) 942-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rush University Medical Center

Hospital · Chicago, Illinois

See all 4 affiliations

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Dr. Keith William Millikan is a general surgeon in Chicago, Illinois

Dr. Millikan practices at Rush University Medical Center in Chicago, Illinois, part of Rush System for Health.

Dr. Millikan's NPI, 1083789853, was assigned on November 21, 2006. Dr. Millikan graduated from Rush Medical College in 1984. Dr. Millikan holds Illinois license 36071433.

NPI and contact details
Medicare PAC ID
6305880303
NPI enumeration date
November 21, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(312) 942-5000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
68
Medical school graduation
1984

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

Dr. Keith William Millikan practices at Rush University Medical Center in Chicago, Illinois

Dr. Millikan's primary practice is Rush University Medical Center, at 1653 West Congress Parkway, Chicago, IL 60612 in Cook County. The practice phone is (312) 942-5000.

Source: Dmand AI Affiliation Data

Dr. Keith William Millikan is affiliated with 2 sites of care and 2 medical groups

Dr. Millikan's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. The medical group on file is Rush University Internists. Dmand AI also links Dr. Millikan to 1 more ambulatory surgery center and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Millikan

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Keith William Millikan's practice

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

EHR by site
SiteEHR vendor and product
Rush University Medical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Keith William Millikan is one of 1,217 general surgeons in Illinois

Surgery is Dr. Millikan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Millikan is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Millikan's licenses on file in 2 states: Illinois and Iowa.

Specialties and state licenses

  • Surgery, IllinoisPrimaryLicense 36071433 · 1985 to 2026 · taxonomy 208600000X
  • Iowa license2004 to 2006

Clinical focus

Dmand AI lists abdominal adhesion surgery, abdominal hernia repair surgery, gallbladder removal and groin hernia surgery among the conditions Dr. Millikan treats.

General surgeons near Dr. Millikan

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. Keith William Millikan billed Medicare for 167 services in 2024

CMS data shows 167 Medicare services from Dr. Millikan across 7 procedure codes in 2024, for 135 Medicare patients. Medicare paid $18,977 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024167
Medicare patients135
Paid by Medicare$18,977
Procedure codes7

Dr. Millikan's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1832024: 15416%
Surgery
2023: 142024: 137%

Dr. Millikan compared with the Illinois median for general surgeons, 2024

  • Dr. Millikan
  • Illinois median
Medicare services
167vs 19414% below
Medicare patients
135vs 1446% below
Part D claims
46vs 2864% above

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

Dr. Millikan's 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 Dr. Millikan

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

Dr. Keith William Millikan treated 135 Medicare patients in 2024, average age 71

CMS counts 135 Medicare patients who saw Dr. Millikan in 2024. The largest group is 65 to 74, with 64 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Millikan's median patient age at 64, with 44% women.

Medicare patients, 2024135
Average age71
Average risk score1.65
Also on Medicaid28%

Dr. Millikan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Millikan's Medicare patients by sex, 2024

  • Women5440%
  • Men8160%

Chronic conditions among Dr. Millikan's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis44%
  4. Ischemic heart disease33%
  5. Mood disorders29%
  6. Diabetes28%
  7. Anxiety27%
  8. Atrial fibrillation27%

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

Dr. Millikan's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women44%
  • Men55%

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

Dr. Keith William Millikan wrote 14 Medicare Part D claims in 2024

In 2024, Dr. Millikan wrote 14 Medicare Part D claims for 13 patients. 100% of them were for generic drugs. They cover 3 drugs, with $162 in total drug cost. In 2018, CMS named 14 claims across 1 drug.

Part D claims, 202414
Drugs named by CMS3
Total drug cost$162
Part D patients13

Dr. Millikan's most prescribed drugs by claims, 2019

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 142019: 46229%

Drugs named by CMS: 3 in 2019, 1 in 2018.

See all prescribing by Dr. Millikan

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Keith William Millikan ranks in the 89th percentile for hernia repair - groin (open) in Medicare

Dr. Millikan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of hernia repair - groin (open) by Dr. Millikan, more than 89% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Millikan ranks in Medicare procedure volume

Hernia repair - groin (open)
89th percentile11 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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

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Dr. Keith William Millikan has 51 publications on record

Dmand AI links 51 papers to Dr. Millikan, published from 2012 to 2023. 2013 was the busiest year, with 6. The most frequent topics are Postoperative Complications, Herniorrhaphy and Laparoscopy. Dr. Millikan has published most often in Am Surg. Dr. Millikan's most frequent co-authors are Jonathan Jay Myers, DO, Jonathan A. Myers, MD and Shaun C. Daly, MD.

Papers51
Years published2012 to 2023

Dr. Millikan's papers by year, 2012 to 2023

Topics Dr. Millikan writes about most

  • Postoperative Complications
  • Herniorrhaphy
  • Laparoscopy
  • Hernia, Ventral
  • Cholecystectomy, Laparoscopic
  • Length of Stay
  • Operative Time
  • Quality Improvement

Dr. Millikan's most frequent co-authors

Recent publications by Dr. Millikan

See all 51 publications and co-authors

See who Dr. Millikan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Millikan 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

Dr. Keith William Millikan has worked on 1 clinical trial

Dmand AI links Dr. Millikan to 1 clinical trial. Conditions studied include Incisional Hernia and Hernia, Inguinal.

Conditions in Dr. Millikan's trials

  • Incisional Hernia
  • Hernia, Inguinal

Investigators on the most trials with Dr. Millikan

Recent clinical trials with Dr. Millikan

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Keith William Millikan received $65,202 in industry payments from 2016 to 2025

CMS Open Payments shows 120 general payments to Dr. Millikan from 4 drug and device companies from 2016 to 2025. Honoraria make up the largest share, 58% of the total. Davol Inc. paid the most, $38,362.

General payments to Dr. Millikan by program year, 2016 to 2025

General payments to Dr. Millikan by kind, 2016 to 2025

$65.2Kin total
  • Honoraria$38,00058%
  • Travel and lodging$9,09214%
  • Education$8,08112%
  • Food and beverage$4,4807%
  • Other$5,5509%

Companies that paid Dr. Millikan the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Millikan

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

Dr. Keith William Millikan has 5 awards and honors on record

Dmand AI lists 5 awards for Dr. Millikan, most recently Regional Top Doctor in 2014.

Awards and honors for Dr. Millikan

  1. 2014
    • Regional Top Doctor
  2. 2013
    • CMS Stage 1 EHR
  3. Undated
    • ACS Fellow
    • Checkbook Top Doc
    • Super Doc

Source: Dmand AI Professional Profile Data

Dr. Keith William Millikan graduated from Rush Medical College

Dr. Millikan graduated from Rush Medical College in 1984. Dr. Millikan is a member of ACS.

  1. Medical schoolRush Medical College
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Keith William Millikan accepts plans from 17 insurance carriers

Dr. Millikan is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

Plan types Dr. Millikan accepts, by number of carriers

  1. PPO12
  2. Medicare10
  3. HMO9
  4. POS7
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Keith William Millikan'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 Dr. Keith William Millikan

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. Keith William Millikan's NPI number?

Dr. Keith William Millikan's NPI number is 1083789853. It was assigned on November 21, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Keith William Millikan?

Dr. Keith William Millikan is a general surgeon in Chicago, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Keith William Millikan practice?

Dr. Millikan practices at 1653 West Congress Parkway, Chicago, IL 60612. Dr. Millikan's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. Dmand AI also links Dr. Millikan to 1 ambulatory surgery center and 1 medical group.

What is Dr. Keith William Millikan's office phone number?

The practice phone on file for Dr. Millikan is (312) 942-5000.

What is Dr. Keith William Millikan's medical license number?

Dr. Millikan holds Illinois license 36071433, one of the licenses on file in 2 states.

Which states has Dr. Keith William Millikan been licensed in?

Dmand AI has state licenses on file for Dr. Millikan in Illinois (1985 to 2026) and Iowa (2004 to 2006).

Which hospitals is Dr. Keith William Millikan affiliated with?

Dr. Millikan practices at Rush University Medical Center in Chicago, Illinois.

What medical group is Dr. Keith William Millikan part of?

Dr. Millikan is linked to Rush University Internists. Dmand AI links Dr. Millikan to 1 more medical group.

Does Dr. Keith William Millikan accept Medicare?

Yes. CMS data shows Dr. Millikan billed Medicare for 167 services in 2024, and Dr. Millikan accepts Medicare assignment.

How many Medicare patients does Dr. Keith William Millikan see?

CMS counts 135 Medicare patients who saw Dr. Millikan in 2024, with an average age of 71.

Show 9 more questionsShow fewer questions

Is Dr. Keith William Millikan board certified?

Yes. Dr. Millikan is board certified in surgery by the American Board of Surgery.

What services does Dr. Keith William Millikan bill to Medicare?

In 2024, Dr. Millikan's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and office visit, new patient (99203).

Where did Dr. Keith William Millikan go to medical school?

Dr. Millikan graduated from Rush Medical College in 1984.

What drugs does Dr. Keith William Millikan prescribe most?

In 2019 Medicare Part D data, Dr. Millikan's most prescribed drugs by claims were Metronidazole, Neomycin Sulfate and Metoclopramide HCl.

Has Dr. Keith William Millikan received payments from drug or device companies?

CMS Open Payments shows $65,202 in general payments to Dr. Millikan from 4 companies from 2016 to 2025. The largest total came from Davol Inc.

How long has Dr. Keith William Millikan been practicing?

Dr. Millikan graduated from medical school in 1984, 42 years ago.

Does Dr. Keith William Millikan do research?

Dmand AI links 51 publications to Dr. Millikan, published from 2012 to 2023. Dr. Millikan has worked on 1 clinical trial.

Who does Dr. Keith William Millikan publish with?

Dr. Millikan's most frequent co-authors are Jonathan Jay Myers, DO (12 shared papers), Jonathan A. Myers, MD (11 shared papers) and Shaun C. Daly, MD (10 shared papers).

What insurance does Dr. Keith William Millikan accept?

Dr. Millikan is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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