Marcus A. Larrieu, APN

  • Harvey, IL
  • Nurse practitioner
NPI1497314397PAC ID7618207275
Medicare patients, 2024
90
Part D claims, 2024
165
Hospital affiliations
1
Medical groups
4
State license
1
Practice address
1 Ingalls Drive, Harvey, IL 60426
Practice phone
Call (708) 333-2300
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

See all 6 affiliations

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Marcus A. Larrieu is a nurse practitioner in Harvey, Illinois

Marcus Larrieu practices at UChicago Medicine Ingalls Memorial Hospital in Harvey, Illinois, part of The University of Chicago.

Marcus Larrieu's NPI, 1497314397, was assigned on June 13, 2019. Marcus Larrieu holds Illinois license 209.019399.

NPI and contact details
Medicare PAC ID
7618207275
NPI enumeration date
June 13, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(708) 333-2300
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
34
Medical school graduation
2018

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

Marcus A. Larrieu practices at UChicago Medicine Ingalls Memorial Hospital in Harvey, Illinois

Marcus Larrieu's primary practice is UChicago Medicine Ingalls Memorial Hospital, at 1 Ingalls Drive, Harvey, IL 60426 in Cook County. The practice phone is (708) 333-2300.

Source: Dmand AI Affiliation Data

Marcus A. Larrieu is affiliated with 2 sites of care and 4 medical groups

Marcus Larrieu's primary practice is UChicago Medicine Ingalls Memorial Hospital in Harvey, Illinois, part of The University of Chicago. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Marcus Larrieu to 3 more medical groups and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Marcus Larrieu

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

Dmand AI tracks the EHR system at Marcus A. Larrieu's practice

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

EHR by site
SiteEHR vendor and product
UChicago Medicine Ingalls Memorial HospitalAvailable with a free account
+1 more site and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Marcus A. Larrieu is one of 4,254 nurse practitioners in Illinois

Nurse practitioner is Marcus Larrieu's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Marcus Larrieu is licensed in Illinois.

Specialties and state licenses

  • Nurse practitioner, IllinoisPrimaryLicense 209.019399 · taxonomy 363L00000X

Nurse practitioners near Marcus Larrieu

Counts of nurse practitioners 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

Marcus A. Larrieu treated 90 Medicare patients in 2024, average age 71

CMS counts 90 Medicare patients who saw Marcus Larrieu in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Marcus Larrieu's median patient age at 38, with 57% women.

Medicare patients, 202490
Average age71
Average risk score1.25
Also on Medicaid39%

Marcus Larrieu's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Marcus Larrieu's Medicare patients by sex, 2024

  • Women6269%
  • Men2831%

Chronic conditions among Marcus Larrieu's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis42%
  4. Diabetes37%
  5. Anxiety28%
  6. Mood disorders23%
  7. Depression21%
  8. Chronic kidney disease20%

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

Marcus Larrieu's patients across all payers

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

Patient panel by age, all payers

Median age 38

Patient panel by sex, all payers

  • Women57%
  • Men42%

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

Marcus A. Larrieu wrote 165 Medicare Part D claims in 2024

In 2024, Marcus Larrieu wrote 165 Medicare Part D claims for 121 patients. 92% of them were for generic drugs.

Part D claims, 2024165
Part D patients121

Marcus Larrieu's Part D claims by kind of drug, 2024

  • Generic151 claims92%
  • Brand-name14 claims8%

Drug classes CMS tracks in Marcus Larrieu's Part D claims, 2024

  • Antibiotics44%73 of 165 claims

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

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Marcus A. Larrieu takes part in Medicare

Marcus Larrieu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sources for Marcus A. Larrieu'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 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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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 Marcus A. Larrieu

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

What is Marcus A. Larrieu's NPI number?

Marcus A. Larrieu's NPI number is 1497314397. It was assigned on June 13, 2019, and it is active in the NPI Registry.

What does Marcus A. Larrieu specialize in?

Marcus A. Larrieu is a nurse practitioner in Harvey, Illinois. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Marcus A. Larrieu practice?

Marcus Larrieu practices at 1 Ingalls Drive, Harvey, IL 60426. Marcus Larrieu's primary practice is UChicago Medicine Ingalls Memorial Hospital in Harvey, Illinois, part of The University of Chicago. Dmand AI also links Marcus Larrieu to 3 medical groups and 1 group practice or clinic.

What is Marcus A. Larrieu's office phone number?

The practice phone on file for Marcus Larrieu is (708) 333-2300.

What is Marcus A. Larrieu's medical license number?

Marcus Larrieu holds Illinois license 209.019399.

Which hospitals is Marcus A. Larrieu affiliated with?

Marcus Larrieu practices at UChicago Medicine Ingalls Memorial Hospital in Harvey, Illinois.

What medical group is Marcus A. Larrieu part of?

Marcus Larrieu is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Marcus Larrieu to 3 more medical groups.

Does Marcus A. Larrieu accept Medicare?

Yes. CMS lists Marcus Larrieu as accepting Medicare assignment.

How many Medicare patients does Marcus A. Larrieu see?

CMS counts 90 Medicare patients who saw Marcus Larrieu in 2024, with an average age of 71.

How long has Marcus A. Larrieu been practicing?

Marcus Larrieu graduated from medical school in 2018, 8 years ago.

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