Dr. Richard Robert Dilorenzo, DO

  • Decatur, IL
  • Gastroenterologist
NPI1528090164PAC ID4789633900
Medicare services, 2024
84
Medicare patients, 2024
76
Part D claims, 2022
31
Hospital affiliations
1
Industry payments
$5,192
Practice address
1800 E Lake Shore Dr, Decatur, IL 62521
Practice phone
Call (217) 464-2966
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

HSHS St. Mary's Hospital

Hospital · Decatur, Illinois

See all 6 affiliations

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Dr. Richard Robert Dilorenzo is a gastroenterologist in Decatur, Illinois

Dr. Dilorenzo practices at HSHS St. Mary's Hospital in Decatur, Illinois, part of Hospital Sisters of St. Francis.

Dr. Dilorenzo's NPI, 1528090164, was assigned on July 6, 2006. Dr. Dilorenzo holds Tennessee license 5633.

NPI and contact details
Medicare PAC ID
4789633900
NPI enumeration date
July 6, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(217) 464-2966
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
59
Medical school graduation
1993

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

Dr. Richard Robert Dilorenzo practices at HSHS St. Mary's Hospital in Decatur, Illinois

Dr. Dilorenzo's primary practice is HSHS St. Mary's Hospital, at 1800 E Lake Shore Dr, Decatur, IL 62521 in Macon County. The practice phone is (217) 464-2966.

Source: Dmand AI Affiliation Data

Dr. Richard Robert Dilorenzo is affiliated with 3 sites of care and 3 medical groups

Dr. Dilorenzo's primary practice is HSHS St. Mary's Hospital in Decatur, Illinois, part of Hospital Sisters of St. Francis. The medical group on file is HSHS Medical Group. Dmand AI also links Dr. Dilorenzo to 2 more group practices and clinics and 2 medical groups, each named with a free account.

See all 6 affiliations for Dr. Dilorenzo

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

Dmand AI tracks the EHR system at Dr. Richard Robert Dilorenzo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dilorenzo practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
HSHS St. Mary's HospitalAvailable 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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Dr. Richard Robert Dilorenzo is one of 771 gastroenterologists in Illinois

Gastroenterology is Dr. Dilorenzo's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Dilorenzo's licenses on file in 3 states: Tennessee, Illinois and Indiana.

Specialties and state licenses

  • Gastroenterology, TennesseePrimaryLicense 5633 · taxonomy 207RG0100X
  • Internal medicine, IllinoisLicense 036085835 · taxonomy 207R00000X
  • Indiana licenseLicense 02007506A

Gastroenterologists near Dr. Dilorenzo

Counts of gastroenterologists 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. Richard Robert Dilorenzo billed Medicare for 84 services in 2024

CMS data shows 84 Medicare services from Dr. Dilorenzo across 5 procedure codes in 2024, for 76 Medicare patients. Medicare paid $5,653 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202484
Medicare patients76
Paid by Medicare$5,653
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 302024: 62107%
Surgery
2023: 232024: 224%
Tests and treatments
2023: 342024: 0100%

Dr. Dilorenzo compared with the Illinois median for gastroenterologists, 2024

  • Dr. Dilorenzo
  • Illinois median
Medicare services
84vs 49883% below
Medicare patients
76vs 30775% below
Part D claims
31vs 37092% below

Medians across 757 gastroenterologists in Illinois with Dmand AI profiles that report each measure.

Dr. Dilorenzo'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.

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

Dr. Richard Robert Dilorenzo treated 76 Medicare patients in 2024, average age 73

CMS counts 76 Medicare patients who saw Dr. Dilorenzo in 2024. The largest group is 65 to 74, with 25 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 2.70, 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. Dilorenzo's median patient age at 70, with 55% women.

Medicare patients, 202476
Average age73
Average risk score2.70
Also on Medicaid32%

Dr. Dilorenzo's Medicare patients by age, 2024

Dr. Dilorenzo's Medicare patients by sex, 2024

  • Women3546%
  • Men4154%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease59%
  4. Diabetes59%
  5. Ischemic heart disease58%
  6. Arthritis57%
  7. Heart failure57%
  8. Anxiety53%

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

Dr. Dilorenzo's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women55%
  • Men45%

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

Dr. Richard Robert Dilorenzo wrote 31 Medicare Part D claims in 2022

In 2022, Dr. Dilorenzo wrote 31 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $374 in total drug cost. In 2021, CMS named 547 claims across 15 drugs.

Part D claims, 202231
Drugs named by CMS1
Total drug cost$374

Dr. Dilorenzo'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.

Part D claims for drugs CMS names, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 5472022: 3194%

Drugs named by CMS: 1 in 2022, 15 in 2021.

See all prescribing by Dr. Dilorenzo

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

Dr. Richard Robert Dilorenzo ranks in the 58th percentile for colonoscopy in Medicare

Dr. Dilorenzo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 39 procedures of colonoscopy by Dr. Dilorenzo, more than 58% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Dilorenzo ranks in Medicare procedure volume

Colonoscopy
58th percentile39 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
55th percentile28 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. Richard Robert Dilorenzo received $5,192 in industry payments from 2016 to 2025

CMS Open Payments shows 343 general payments to Dr. Dilorenzo from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Abbvie Inc. paid the most, $1,766.

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

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

$5.2Kin total
  • Food and beverage$4,90194%
  • Consulting fees$2004%
  • Education$912%

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

Share is of all general payments to this clinician.

See all payments to Dr. Dilorenzo

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

Sources for Dr. Richard Robert Dilorenzo'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)
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)
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. Richard Robert Dilorenzo

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. Richard Robert Dilorenzo's NPI number?

Dr. Richard Robert Dilorenzo's NPI number is 1528090164. It was assigned on July 6, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Richard Robert Dilorenzo?

Dr. Richard Robert Dilorenzo is a gastroenterologist in Decatur, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Richard Robert Dilorenzo practice?

Dr. Dilorenzo practices at 1800 E Lake Shore Dr, Decatur, IL 62521. Dr. Dilorenzo's primary practice is HSHS St. Mary's Hospital in Decatur, Illinois, part of Hospital Sisters of St. Francis. Dmand AI also links Dr. Dilorenzo to 2 group practices and clinics and 2 medical groups.

What is Dr. Richard Robert Dilorenzo's office phone number?

The practice phone on file for Dr. Dilorenzo is (217) 464-2966.

What is Dr. Richard Robert Dilorenzo's medical license number?

Dr. Dilorenzo holds Tennessee license 5633, one of the licenses on file in 3 states.

Which states has Dr. Richard Robert Dilorenzo been licensed in?

Dmand AI has state licenses on file for Dr. Dilorenzo in Tennessee, Illinois and Indiana.

Which hospitals is Dr. Richard Robert Dilorenzo affiliated with?

Dr. Dilorenzo practices at HSHS St. Mary's Hospital in Decatur, Illinois.

What medical group is Dr. Richard Robert Dilorenzo part of?

Dr. Dilorenzo is linked to HSHS Medical Group. Dmand AI links Dr. Dilorenzo to 2 more medical groups.

Does Dr. Richard Robert Dilorenzo accept Medicare?

Yes. CMS data shows Dr. Dilorenzo billed Medicare for 84 services in 2024, and Dr. Dilorenzo accepts Medicare assignment.

How many Medicare patients does Dr. Richard Robert Dilorenzo see?

CMS counts 76 Medicare patients who saw Dr. Dilorenzo in 2024, with an average age of 73.

Show 4 more questionsShow fewer questions

What services does Dr. Richard Robert Dilorenzo bill to Medicare?

In 2024, Dr. Dilorenzo's most billed Medicare services were hospital inpatient care (99222), hospital inpatient care (99221) and hospital inpatient care (99231).

What drugs does Dr. Richard Robert Dilorenzo prescribe most?

In 2022 Medicare Part D data, Dr. Dilorenzo's most prescribed drugs by claims were Omeprazole.

Has Dr. Richard Robert Dilorenzo received payments from drug or device companies?

CMS Open Payments shows $5,192 in general payments to Dr. Dilorenzo from 26 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Richard Robert Dilorenzo been practicing?

Dr. Dilorenzo graduated from medical school in 1993, 33 years ago.

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