Dr. Tirsa M. Ferrer Marrero, MD
- Medicare services, 2024
- 46
- Medicare patients, 2024
- 36
- MIPS score, 2024
- 93
- Hospital affiliations
- 2
- Industry payments
- $80
- Practice address
- 1740 West Taylor St Suite 1400, Chicago, IL 60612
- Practice phone
- Call (312) 996-3900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ferrer Marrero's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Tirsa M. Ferrer Marrero is a pulmonologist in Chicago, Illinois
Dr. Ferrer Marrero practices at University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System.
Dr. Ferrer Marrero's NPI, 1093909210, was assigned on August 30, 2007. Dr. Ferrer Marrero holds Wisconsin license 66180.
- NPI
- 1093909210NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234443904
- NPI enumeration date
- August 30, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 996-3900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tirsa M. Ferrer Marrero practices at University of Illinois Hospital in Chicago, Illinois
Dr. Ferrer Marrero'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.
- University of Illinois Hospital1740 West Taylor St Suite 1400, Chicago, IL 60612 · Cook CountyPhone(312) 996-3900
Source: Dmand AI Affiliation Data
Dr. Tirsa M. Ferrer Marrero is affiliated with 2 sites of care and 2 medical groups
Dr. Ferrer Marrero's primary practice is University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System. Dr. Ferrer Marrero is also affiliated with Froedtert Hospital. The medical group on file is Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI also links Dr. Ferrer Marrero to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tirsa M. Ferrer Marrero's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ferrer Marrero practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Illinois Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tirsa M. Ferrer Marrero is one of 517 pulmonologists in Illinois
Pulmonary disease is Dr. Ferrer Marrero's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dmand AI has Dr. Ferrer Marrero's licenses on file in 3 states: Wisconsin, Illinois and Puerto Rico.
Specialties and state licenses
- Pulmonary disease, WisconsinPrimary
- Internal medicine, Illinois
- Puerto Rico license
Pulmonologists near Dr. Ferrer Marrero
Counts of pulmonologists 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. Tirsa M. Ferrer Marrero billed Medicare for 46 services in 2024
CMS data shows 46 Medicare services from Dr. Ferrer Marrero across 1 procedure code in 2024, for 36 Medicare patients. Medicare paid $4,451 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ferrer Marrero's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 722024: 4636%
Dr. Ferrer Marrero compared with the Illinois median for pulmonologists, 2024
- Dr. Ferrer Marrero
- Illinois median
- Medicare services
- 46vs 76994% below
- Medicare patients
- 36vs 34189% below
Medians across 522 pulmonologists in Illinois with Dmand AI profiles that report each measure.
Dr. Ferrer Marrero'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. Tirsa M. Ferrer Marrero treated 36 Medicare patients in 2024, average age 65
CMS counts 36 Medicare patients who saw Dr. Ferrer Marrero in 2024. The largest group is 65 to 74, with 17 patients. 75% of them have high blood pressure, and 67% have chronic kidney disease. 64% are also on Medicaid. Their average risk score is 4.61, 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. Ferrer Marrero's median patient age at 68, with 58% women.
Dr. Ferrer Marrero's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ferrer Marrero's Medicare patients by sex, 2024
- Women2056%
- Men1644%
Chronic conditions among Dr. Ferrer Marrero's Medicare patients, 2024
- High blood pressure75%
- Chronic kidney disease67%
- High cholesterol67%
- Ischemic heart disease64%
- Diabetes56%
- Arthritis53%
- Heart failure53%
- COPD47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ferrer Marrero's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tirsa M. Ferrer Marrero scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Ferrer Marrero for performance year 2024, reported as part of a group. Dr. Ferrer Marrero accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ferrer Marrero's MIPS scores, performance year 2024
- 93of 100Final score
- 73.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Tirsa M. Ferrer Marrero received $80 in industry payments from 2016 to 2022
CMS Open Payments shows 2 general payments to Dr. Ferrer Marrero from 2 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. LeMaitre Vascular, Inc. paid the most, $67.
General payments to Dr. Ferrer Marrero by program year, 2016 to 2022
Companies that paid Dr. Ferrer Marrero the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Tirsa M. Ferrer Marrero'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Tirsa M. Ferrer Marrero
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. Tirsa M. Ferrer Marrero's NPI number?
Dr. Tirsa M. Ferrer Marrero's NPI number is 1093909210. It was assigned on August 30, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Tirsa M. Ferrer Marrero?
Dr. Tirsa M. Ferrer Marrero is a pulmonologist in Chicago, Illinois. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Tirsa M. Ferrer Marrero practice?
Dr. Ferrer Marrero practices at 1740 West Taylor St Suite 1400, Chicago, IL 60612. Dr. Ferrer Marrero's primary practice is University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System. Dmand AI also links Dr. Ferrer Marrero to 1 medical group.
What is Dr. Tirsa M. Ferrer Marrero's office phone number?
The practice phone on file for Dr. Ferrer Marrero is (312) 996-3900.
What is Dr. Tirsa M. Ferrer Marrero's medical license number?
Dr. Ferrer Marrero holds Wisconsin license 66180, one of the licenses on file in 3 states.
Which states has Dr. Tirsa M. Ferrer Marrero been licensed in?
Dmand AI has state licenses on file for Dr. Ferrer Marrero in Wisconsin, Illinois and Puerto Rico.
Which hospitals is Dr. Tirsa M. Ferrer Marrero affiliated with?
Dr. Ferrer Marrero practices at University of Illinois Hospital in Chicago, Illinois. Dr. Ferrer Marrero is also affiliated with Froedtert Hospital.
What medical group is Dr. Tirsa M. Ferrer Marrero part of?
Dr. Ferrer Marrero is linked to Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI links Dr. Ferrer Marrero to 1 more medical group.
Does Dr. Tirsa M. Ferrer Marrero accept Medicare?
Yes. CMS data shows Dr. Ferrer Marrero billed Medicare for 46 services in 2024, and Dr. Ferrer Marrero accepts Medicare assignment.
What is Dr. Tirsa M. Ferrer Marrero's MIPS score?
Dr. Ferrer Marrero's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Tirsa M. Ferrer Marrero see?
CMS counts 36 Medicare patients who saw Dr. Ferrer Marrero in 2024, with an average age of 65.
What services does Dr. Tirsa M. Ferrer Marrero bill to Medicare?
In 2024, Dr. Ferrer Marrero's most billed Medicare services were hospital inpatient care (99233).
Has Dr. Tirsa M. Ferrer Marrero received payments from drug or device companies?
CMS Open Payments shows $80 in general payments to Dr. Ferrer Marrero from 2 companies from 2016 to 2022. The largest total came from LeMaitre Vascular, Inc.
How long has Dr. Tirsa M. Ferrer Marrero been practicing?
Dr. Ferrer Marrero graduated from medical school in 2007, 19 years ago.
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