MR. JUAN FRANCISCO ORTIZ MAIRENA M.D.
NPI 1992694384
Internal Medicine in Chicago, IL

Q: What is Juan Ortiz Mairena's NPI number?

The NPI number for Juan Ortiz Mairena is 1992694384. It was assigned to this individual provider in the NPPES registry on June 30, 2025.

Q: What is Juan Ortiz Mairena's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since June 30, 2025

3134 N CLARK ST, CHICAGO, IL 60657(312) 766-4949(312) 766-4925 Get Directions Write a Review

NPPES record last updated: June 30, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Mr. Juan Francisco Ortiz Mairena M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. JUAN FRANCISCO ORTIZ MAIRENA M.D. (NPI 1992694384) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125.085277) and active in the NPI registry since June 2025.

NPPES Registry Identity

NPI1992694384

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameMR. JUAN FRANCISCO ORTIZ MAIRENACredential: M.D.

Location Address3134 N CLARK STChicago, IL 60657-4414

Mailing Address3134 N Clark StChicago, IL 60657-4414 · (312) 766-4949 · Fax (312) 766-4925

Phone(312) 766-4949

Fax(312) 766-4925

Sole ProprietorNo

Enumeration DateJune 30, 2025

NPPES CertifiedJune 30, 2025

✔ NPI 1992694384 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IL · 125.085277

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

3134 N CLARK ST, Chicago, IL 60657

Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SORIN C DANCIU M.D.

Internal Medicine (Cardiovascular Disease)