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Dr. Michael John Montesano, DO
NPI1477116507PAC ID0143556027
- Medicare services, 2024
- 274
- Medicare patients, 2024
- 255
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $36
- Practice address
- 2800 W 95th St, Evergreen Park, IL 60805
- Practice phone
- Call (708) 422-6200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Montesano's professional email, personal email and mobile number
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Dr. Michael John Montesano is an internist in Evergreen Park, Illinois
Dr. Montesano practices at OSF Little Company of Mary Medical Center in Evergreen Park, Illinois, part of OSF HealthCare System.
Dr. Montesano's NPI, 1477116507, was assigned on April 15, 2019. Dr. Montesano graduated from Midwestern University, Chicago College of Osteopathic Med in 2019. Dr. Montesano holds Illinois license 036.162054.
NPI and contact details
- NPI
- 1477116507NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143556027
- NPI enumeration date
- April 15, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 422-6200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael John Montesano practices at OSF Little Company of Mary Medical Center in Evergreen Park, Illinois
Dr. Montesano's primary practice is OSF Little Company of Mary Medical Center, at 2800 W 95th St, Evergreen Park, IL 60805 in Cook County. The practice phone is (708) 422-6200.
- OSF Little Company of Mary Medical Center2800 W 95th St, Evergreen Park, IL 60805 · Cook CountyPhone(708) 422-6200
Source: Dmand AI Affiliation Data
Dr. Michael John Montesano is affiliated with 3 sites of care and 1 medical group
Dr. Montesano's primary practice is OSF Little Company of Mary Medical Center in Evergreen Park, Illinois, part of OSF HealthCare System. The medical group on file is Inpatient Consultants of Illinois. Dmand AI also links Dr. Montesano to 1 more breast imaging center and 1 hospital outpatient department, each named with a free account.
Inpatient Consultants of Illinois1 breast imaging centerName with a free account1 hospital outpatient departmentName with a free account
See all 4 affiliations for Dr. MontesanoSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael John Montesano's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Montesano practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSF Little Company of Mary Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael John Montesano is one of 5,652 internists in Illinois
Internal medicine is Dr. Montesano's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Montesano is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Montesano
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
5,652internists in Illinois34internists in Evergreen Park24internists at OSF Little Company of Mary Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael John Montesano billed Medicare for 274 services in 2024
CMS data shows 274 Medicare services from Dr. Montesano across 2 procedure codes in 2024, for 255 Medicare patients. Medicare paid $37,679 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024274
Medicare patients255
Paid by Medicare$37,679
Procedure codes2
Dr. Montesano's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3772024: 27427%
Dr. Montesano compared with the Illinois median for internists, 2024
- Dr. Montesano
- Illinois median
- Medicare services
- 274vs 56652% below
- Medicare patients
- 255vs 20823% above
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Montesano'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.
Need commercial claims for Dr. Montesano?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Montesano and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael John Montesano treated 255 Medicare patients in 2024, average age 74
CMS counts 255 Medicare patients who saw Dr. Montesano in 2024. The largest group is 65 to 74, with 72 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 51% are also on Medicaid. Their average risk score is 3.26, 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. Montesano's median patient age at 65, with 54% women.
Medicare patients, 2024255
Average age74
Average risk score3.26
Also on Medicaid51%
Dr. Montesano's Medicare patients by age, 2024
Dr. Montesano's Medicare patients by sex, 2024
- Women16163%
- Men9437%
Chronic conditions among Dr. Montesano's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Chronic kidney disease60%
- Heart failure58%
- Diabetes55%
- Ischemic heart disease48%
- COPD41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Montesano's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Michael John Montesano takes part in Medicare
Dr. Montesano 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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Dr. Michael John Montesano has 1 publication on record
Dmand AI links 1 paper to Dr. Montesano in 2016. Dr. Montesano's most frequent co-author is Saivenkat H. Vagvala, DO.
Papers1
Dr. Montesano's most frequent co-authors
Recent publications by Dr. Montesano
See who Dr. Montesano researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Montesano works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael John Montesano received $36 in industry payments from 2019 to 2022
CMS Open Payments shows 2 general payments to Dr. Montesano from 2 drug and device companies from 2019 to 2022. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $20.
General payments to Dr. Montesano by program year, 2019 to 2022
Companies that paid Dr. Montesano the most, 2019 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael John Montesano graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. Montesano graduated from Midwestern University, Chicago College of Osteopathic Med in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael John Montesano's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael John Montesano
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. Michael John Montesano's NPI number?
Dr. Michael John Montesano's NPI number is 1477116507. It was assigned on April 15, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael John Montesano?
Dr. Michael John Montesano is an internist in Evergreen Park, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael John Montesano practice?
Dr. Montesano practices at 2800 W 95th St, Evergreen Park, IL 60805. Dr. Montesano's primary practice is OSF Little Company of Mary Medical Center in Evergreen Park, Illinois, part of OSF HealthCare System. Dmand AI also links Dr. Montesano to 1 breast imaging center and 1 hospital outpatient department.
What is Dr. Michael John Montesano's office phone number?
The practice phone on file for Dr. Montesano is (708) 422-6200.
What is Dr. Michael John Montesano's medical license number?
Dr. Montesano holds Illinois license 036.162054.
Which hospitals is Dr. Michael John Montesano affiliated with?
Dr. Montesano practices at OSF Little Company of Mary Medical Center in Evergreen Park, Illinois.
What medical group is Dr. Michael John Montesano part of?
Dr. Montesano is linked to Inpatient Consultants of Illinois.
Does Dr. Michael John Montesano accept Medicare?
Yes. CMS data shows Dr. Montesano billed Medicare for 274 services in 2024, and Dr. Montesano accepts Medicare assignment.
How many Medicare patients does Dr. Michael John Montesano see?
CMS counts 255 Medicare patients who saw Dr. Montesano in 2024, with an average age of 74.
What services does Dr. Michael John Montesano bill to Medicare?
In 2024, Dr. Montesano's most billed Medicare services were hospital inpatient care (99223) and hospital inpatient care (99236).
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Where did Dr. Michael John Montesano go to medical school?
Dr. Montesano graduated from Midwestern University, Chicago College of Osteopathic Med in 2019.
Has Dr. Michael John Montesano received payments from drug or device companies?
CMS Open Payments shows $36 in general payments to Dr. Montesano from 2 companies from 2019 to 2022. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Michael John Montesano been practicing?
Dr. Montesano graduated from medical school in 2019, 7 years ago.
Does Dr. Michael John Montesano do research?
Dmand AI links 1 publication to Dr. Montesano.
Who does Dr. Michael John Montesano publish with?
Dr. Montesano's most frequent co-authors are Saivenkat H. Vagvala, DO (1 shared paper).
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