GUILLERMO REYES MARTINEZ MD
NPI 1033912787
Internal Medicine in Chicago, IL

Q: What is Guillermo Reyes Martinez's NPI number?

The NPI number for Guillermo Reyes Martinez is 1033912787. It was assigned to this individual provider in the NPPES registry on March 28, 2025.

Q: What is Guillermo Reyes Martinez's specialty?

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

Active since March 28, 2025

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

NPPES record last updated: June 28, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 28, 2025, May 18, 2025, Mar 28, 2025 (3 updates tracked since 2025).

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About Guillermo Reyes Martinez Md NPPES

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

GUILLERMO REYES MARTINEZ MD (NPI 1033912787) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125087023) and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1033912787

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameGUILLERMO REYES MARTINEZCredential: MD

Location Address3134 N CLARK STChicago, IL 60657-4414

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

Phone(312) 766-4949

Sole ProprietorNo

Enumeration DateMarch 28, 2025

Last NPPES UpdateJune 28, 20253 updates tracked since enumeration

NPPES CertifiedJune 28, 2025

✔ NPI 1033912787 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IL · 125087023

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

3134 N CLARK ST, Chicago, IL 60657

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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)