Rafael Madero Marroquin, MD
NPI 1245734391 · Hematology & Oncology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rafael Madero Marroquin, MD is a Hematology & Oncology Physician provider in Chicago, IL (NPI 1245734391).
Provider details
- NPI number
- 1245734391
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-22
- Last updated
- 2022-06-08
- Certified
- 2022-06-08
Frequently asked questions
- What is Rafael Madero Marroquin's NPI number?
- Rafael Madero Marroquin's National Provider Identifier (NPI) is 1245734391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rafael Madero Marroquin's specialty?
- Rafael Madero Marroquin is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Rafael Madero Marroquin located?
- Rafael Madero Marroquin's practice location on file with NPPES is 5841 S Maryland Ave # Mc2115, Chicago, IL 60637-1443.
- What is Rafael Madero Marroquin's phone number?
- The practice phone number listed in the NPPES registry for Rafael Madero Marroquin is (773) 702-2731.
- Does Rafael Madero Marroquin accept Medicare?
- Rafael Madero Marroquin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rafael Madero Marroquin's NPI active?
- Yes — Rafael Madero Marroquin's NPI (1245734391) is active in the NPPES registry as of the last update on 2022-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.