Gerald A. Gantt Jr.

  • Chicago, IL
  • Colorectal surgeon
NPI1386962207PAC ID5890923411
Medicare services, 2024
32
Medicare patients, 2024
63
Part D claims, 2024
104
Publications
20
Hospital affiliations
1
Practice address
1740 West Taylor St Suite 1400, Chicago, IL 60612
Practice phone
Call (312) 996-3900
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University of Illinois Hospital

Hospital · Chicago, Illinois

See all 7 affiliations

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Gerald A. Gantt Jr. is a colorectal surgeon in Chicago, Illinois

Gerald Gantt practices at University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System.

Gerald Gantt's NPI, 1386962207, was assigned on May 17, 2010. Gerald Gantt graduated from University of Maryland School of Medicine in 2010. Gerald Gantt holds Illinois license 036143979.

NPI and contact details
Medicare PAC ID
5890923411
NPI enumeration date
May 17, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(312) 996-3900
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

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

Gerald A. Gantt Jr. practices at University of Illinois Hospital in Chicago, Illinois

Gerald Gantt's primary practice is University of Illinois Hospital, at 1740 West Taylor St Suite 1400, Chicago, IL 60612 in Cook County. The practice phone is (312) 996-3900.

Source: Dmand AI Affiliation Data

Gerald A. Gantt Jr. is affiliated with 4 sites of care and 3 medical groups

Gerald Gantt's primary practice is University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System. The medical group on file is University of Illinois Physicians Group (UIPG). Dmand AI also links Gerald Gantt to 3 more group practices and clinics and 2 medical groups, each named with a free account.

See all 7 affiliations for Gerald Gantt

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

Dmand AI tracks the EHR system at Gerald A. Gantt Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Gerald Gantt practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
University of Illinois HospitalAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Gerald A. Gantt Jr. is one of 78 colorectal surgeons in Illinois

Colon and rectal surgery is Gerald Gantt's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Gerald Gantt is licensed in Illinois.

Specialties and state licenses

  • Colon and rectal surgery, IllinoisPrimaryLicense 036143979 · taxonomy 208C00000X

Colorectal surgeons near Gerald Gantt

Counts of colorectal 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

Gerald A. Gantt Jr. billed Medicare for 32 services in 2024

CMS data shows 32 Medicare services from Gerald Gantt across 2 procedure codes in 2024, all of them office visits, for 63 Medicare patients. Medicare paid $1,313 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202432
Medicare patients63
Paid by Medicare$1,313
Procedure codes2

Gerald Gantt's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 182024: 3278%
Surgery
2023: 242024: 0100%

Gerald Gantt compared with the Illinois median for colorectal surgeons, 2024

  • Gerald Gantt
  • Illinois median
Medicare services
32vs 21885% below
Medicare patients
63vs 16061% below
Part D claims
47vs 10354% below

Medians across 71 colorectal surgeons in Illinois with Dmand AI profiles that report each measure.

Gerald Gantt'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 Gerald Gantt

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

Gerald A. Gantt Jr. treated 63 Medicare patients in 2024, average age 62

CMS counts 63 Medicare patients who saw Gerald Gantt in 2024. The largest group is 65 to 74, with 28 patients. 70% of them have high blood pressure, and 60% have high cholesterol. 60% are also on Medicaid. Their average risk score is 2.41, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Gerald Gantt's median patient age at 60, with 49% women.

Medicare patients, 202463
Average age62
Average risk score2.41
Also on Medicaid60%

Gerald Gantt's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Gerald Gantt's Medicare patients by sex, 2024

  • Women2946%
  • Men3454%

Chronic conditions among Gerald Gantt's Medicare patients, 2024

  1. High blood pressure70%
  2. High cholesterol60%
  3. Diabetes48%
  4. Arthritis41%
  5. Chronic kidney disease40%
  6. Cancer27%
  7. Anxiety25%
  8. Ischemic heart disease25%

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

Gerald Gantt's patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women49%
  • Men49%

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

Gerald A. Gantt Jr. wrote 104 Medicare Part D claims in 2024

In 2024, Gerald Gantt wrote 104 Medicare Part D claims for 47 patients. 89% of them were for generic drugs. CMS names the drug for 47 of them, across 3 drugs with 11 or more claims each, at $425 in total drug cost. In 2023, CMS named 14 claims across 1 drug.

Part D claims, 2024104
Drugs named by CMS3
Total drug cost$425
Part D patients47

Gerald Gantt's Part D claims by kind of drug, 2024

  • Generic93 claims89%
  • Brand-name11 claims11%

Gerald Gantt's most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in Gerald Gantt's Part D claims, 2024

  • Opioids18%19 of 104 claims
  • Antibiotics25%26 of 104 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 142024: 47236%

Drugs named by CMS: 3 in 2024, 1 in 2023.

See all prescribing by Gerald Gantt

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

Gerald A. Gantt Jr. ranks in the 51st percentile for colonoscopy in Medicare

Gerald Gantt accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Gerald Gantt as offering telehealth. CMS counts 25 procedures of colonoscopy by Gerald Gantt, more than 51% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Gerald Gantt ranks in Medicare procedure volume

Colonoscopy
51st percentile25 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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Gerald A. Gantt Jr. has 20 publications on record

Dmand AI links 20 papers to Gerald Gantt, published from 2013 to 2025. 2022 was the busiest year, with 4. The most frequent topics are Rectal Neoplasms, Chemoradiotherapy and Adenocarcinoma. Gerald Gantt has published most often in Dis Colon Rectum. Gerald Gantt's most frequent co-authors are Matthew F. Kalady, MD, Anders Mellgren, MD and Johan Fredrik Nordenstam, MD.

Papers20
Years published2013 to 2025

Gerald Gantt's papers by year, 2013 to 2025

Topics Gerald Gantt writes about most

  • Rectal Neoplasms
  • Chemoradiotherapy
  • Adenocarcinoma
  • Neoadjuvant Therapy
  • Postoperative Complications
  • Antineoplastic Agents
  • Anus Neoplasms
  • Carcinoma, Squamous Cell

Gerald Gantt's most frequent co-authors

Recent publications by Gerald Gantt

See all 20 publications and co-authors

See who Gerald Gantt researches with

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

How network discovery works

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

Gerald A. Gantt Jr. received $19,273 in industry payments from 2017 to 2025

CMS Open Payments shows 92 general payments to Gerald Gantt from 21 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 52% of the total. Virtual Incision Corporation paid the most, $10,154.

General payments to Gerald Gantt by program year, 2017 to 2025

General payments to Gerald Gantt by kind, 2017 to 2025

$19.3Kin total
  • Consulting fees$10,00052%
  • Food and beverage$6,52734%
  • Travel and lodging$1,7459%
  • Education$1,0005%

Companies that paid Gerald Gantt the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Gerald Gantt

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

Gerald A. Gantt Jr. graduated from University of Maryland School of Medicine

Gerald Gantt graduated from University of Maryland School of Medicine in 2010.

  1. Medical schoolUniversity of Maryland School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Gerald A. Gantt Jr.'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
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 Gerald A. Gantt Jr.

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

What is Gerald A. Gantt Jr.'s NPI number?

Gerald A. Gantt Jr.'s NPI number is 1386962207. It was assigned on May 17, 2010, and it is active in the NPI Registry.

What does Gerald A. Gantt Jr. specialize in?

Gerald A. Gantt Jr. is a colorectal surgeon in Chicago, Illinois. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).

Where does Gerald A. Gantt Jr. practice?

Gerald Gantt practices at 1740 West Taylor St Suite 1400, Chicago, IL 60612. Gerald Gantt's primary practice is University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System. Dmand AI also links Gerald Gantt to 3 group practices and clinics and 2 medical groups.

What is Gerald A. Gantt Jr.'s office phone number?

The practice phone on file for Gerald Gantt is (312) 996-3900.

What is Gerald A. Gantt Jr.'s medical license number?

Gerald Gantt holds Illinois license 036143979.

Which hospitals is Gerald A. Gantt Jr. affiliated with?

Gerald Gantt practices at University of Illinois Hospital in Chicago, Illinois.

What medical group is Gerald A. Gantt Jr. part of?

Gerald Gantt is linked to University of Illinois Physicians Group (UIPG). Dmand AI links Gerald Gantt to 2 more medical groups.

Does Gerald A. Gantt Jr. accept Medicare?

Yes. CMS data shows Gerald Gantt billed Medicare for 32 services in 2024, and Gerald Gantt accepts Medicare assignment.

Does Gerald A. Gantt Jr. offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Gerald Gantt as offering telehealth services.

How many Medicare patients does Gerald A. Gantt Jr. see?

CMS counts 63 Medicare patients who saw Gerald Gantt in 2024, with an average age of 62.

Show 7 more questionsShow fewer questions

What services does Gerald A. Gantt Jr. bill to Medicare?

In 2024, Gerald Gantt's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99212).

Where did Gerald A. Gantt Jr. go to medical school?

Gerald Gantt graduated from University of Maryland School of Medicine in 2010.

What drugs does Gerald A. Gantt Jr. prescribe most?

In 2024 Medicare Part D data, Gerald Gantt's most prescribed drugs by claims were Gavilyte-G, Metronidazole and Oxycodone HCl.

Has Gerald A. Gantt Jr. received payments from drug or device companies?

CMS Open Payments shows $19,273 in general payments to Gerald Gantt from 21 companies from 2017 to 2025. The largest total came from Virtual Incision Corporation.

How long has Gerald A. Gantt Jr. been practicing?

Gerald Gantt graduated from medical school in 2010, 16 years ago.

Does Gerald A. Gantt Jr. do research?

Dmand AI links 20 publications to Gerald Gantt, published from 2013 to 2025.

Who does Gerald A. Gantt Jr. publish with?

Gerald Gantt's most frequent co-authors are Matthew F. Kalady, MD (6 shared papers), Anders Mellgren, MD (6 shared papers) and Johan Fredrik Nordenstam, MD (5 shared papers).

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