Dr. Marc Altimari, MD

  • Chicago, IL
  • General surgeon
NPI1285319350
Part D claims, 2024
30
Publications
2
Hospital affiliations
1
Industry payments
$102
State license
1
Practice address
1901 W Harrison St, Chicago, IL 60612
Practice phone
Call (312) 864-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

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Dr. Marc Altimari is a general surgeon in Chicago, Illinois

Dr. Altimari practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government.

Dr. Altimari's NPI, 1285319350, was assigned on June 16, 2023. Dr. Altimari holds Illinois license 125.082642.

NPI and contact details
NPI enumeration date
June 16, 2023
NPI status
Active
Practice phone
(312) 864-6000
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Marc Altimari practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois

Dr. Altimari's primary practice is John H. Stroger, Jr. Hospital of Cook County, at 1901 W Harrison St, Chicago, IL 60612 in Cook County. The practice phone is (312) 864-6000.

Source: Dmand AI Affiliation Data

Dr. Marc Altimari is affiliated with 1 site of care

Dr. Altimari's primary practice is John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government.

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

Dmand AI tracks the EHR system at Dr. Marc Altimari's practice

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

EHR by site
SiteEHR vendor and product
John H. Stroger, Jr. Hospital of Cook CountyAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Marc Altimari is one of 1,217 general surgeons in Illinois

Surgery is Dr. Altimari's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Altimari is licensed in Illinois.

Specialties and state licenses

  • Surgery, IllinoisPrimaryLicense 125.082642 · taxonomy 208600000X

General surgeons near Dr. Altimari

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. Marc Altimari's patients have a median age of 57

Across all payers, Dmand AI patient panel data puts Dr. Altimari's median patient age at 57, with 80% women.

Dr. Altimari's patients across all payers

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

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women80%
  • Men20%

Source: Dmand AI Patient Panel Data

Dr. Marc Altimari wrote 30 Medicare Part D claims in 2024

In 2024, Dr. Altimari wrote 30 Medicare Part D claims for 23 patients. 93% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $15 in total drug cost.

Part D claims, 202430
Drugs named by CMS1
Total drug cost$15
Part D patients23

Dr. Altimari's Part D claims by kind of drug, 2024

  • Generic28 claims93%
  • Brand-name and other2 claims7%

Dr. Altimari'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 Dr. Altimari's Part D claims, 2024

  • Opioids53%16 of 30 claims

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

See all prescribing by Dr. Altimari

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

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Dr. Marc Altimari has 2 publications on record

Dmand AI links 2 papers to Dr. Altimari, published from 2021 to 2022. Dr. Altimari's most frequent co-authors are John Daniel Abad, MD and Akhil Chawla, MD.

Papers2
Years published2021 to 2022

Dr. Altimari's most frequent co-authors

Recent publications by Dr. Altimari

See all 2 publications and co-authors

See who Dr. Altimari researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Altimari 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. Marc Altimari received $102 in industry payments in 2024

CMS Open Payments shows 1 general payment to Dr. Altimari from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Kerecis Limited paid the most, $102.

Companies that paid Dr. Altimari the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Altimari

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

Sources for Dr. Marc Altimari'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 Data
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)
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)
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. Marc Altimari

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. Marc Altimari's NPI number?

Dr. Marc Altimari's NPI number is 1285319350. It was assigned on June 16, 2023, and it is active in the NPI Registry.

What kind of doctor is Dr. Marc Altimari?

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

Where does Dr. Marc Altimari practice?

Dr. Altimari practices at 1901 W Harrison St, Chicago, IL 60612. Dr. Altimari's primary practice is John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government.

What is Dr. Marc Altimari's office phone number?

The practice phone on file for Dr. Altimari is (312) 864-6000.

What is Dr. Marc Altimari's medical license number?

Dr. Altimari holds Illinois license 125.082642.

Which hospitals is Dr. Marc Altimari affiliated with?

Dr. Altimari practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois.

What drugs does Dr. Marc Altimari prescribe most?

In 2024 Medicare Part D data, Dr. Altimari's most prescribed drugs by claims were Tramadol HCl.

Has Dr. Marc Altimari received payments from drug or device companies?

CMS Open Payments shows $102 in general payments to Dr. Altimari from 1 company from 2024 to 2024. The largest total came from Kerecis Limited.

How long has Dr. Marc Altimari been practicing?

Dr. Altimari's NPI was assigned in 2023.

Does Dr. Marc Altimari do research?

Dmand AI links 2 publications to Dr. Altimari, published from 2021 to 2022.

Who does Dr. Marc Altimari publish with?

Dr. Altimari's most frequent co-authors are John Daniel Abad, MD (2 shared papers) and Akhil Chawla, MD (2 shared papers).

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