Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Tirsa M Ferrer Marrero, MD

Individual provider Internal Medicine Physician · NPI 1093909210

Dr. Tirsa M Ferrer Marrero, MD is a Critical Care (Intensivists) in Milwaukee, Wisconsin. Qualified in 2007, 19 years ago. Practices with The Board of Trustees of the University of Illinois, a 1,142-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois, Puerto Rico and Wisconsin.

Years since qualifying
19
Licensed in
IL, PR, WI
In the registry since
2007
Specialties on file
5
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

9200 W Wisconsin Ave Division Of Pulmonary Disease
Milwaukee, WI 53226-3522
Phone: (414) 955-7040
Fax: (414) 955-6211
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1801 W Taylor St, Chicago, IL 60612-4795 — (313) 355-4497

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 66180 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036.129715 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 17956 (PR)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 66180 (WI)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 036.129715 (IL)

Record details

NPI number1093909210
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2007
Last updated in NPPESFebruary 21, 2025
Certification dateFebruary 21, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesINTERNAL MEDICINE, PULMONARY DISEASE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice The Board Of Trustees Of The University Of Illinois — 1142 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Milwaukee