DR. ALEXA ROSE OBERSTER DO
NPI 1992630412
Internal Medicine in Chicago, IL

Active since June 16, 2026
5140 N CALIFORNIA AVE, CHICAGO, IL 60625(773) 878-8200 Get Directions Write a Review

NPPES record last updated: June 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Alexa Rose Oberster Do NPPES

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

DR. ALEXA ROSE OBERSTER DO (NPI 1992630412) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125088470) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1992630412
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ALEXA ROSE OBERSTERCredential: DO
Location Address5140 N CALIFORNIA AVEChicago, IL 60625-3645
Mailing Address360 W Hubbard St Apt 808Chicago, IL 60654-5783
Sole ProprietorNo
Enumeration DateJune 16, 2026
NPPES CertifiedJune 16, 2026
NPI 1992630412 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 · 125088470
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.
5140 N CALIFORNIA AVE, Chicago, IL 60625

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.

Emergency Medicine
5140 N CALIFORNIA AVE
CHICAGO, IL 60625
Internal Medicine
5140 N CALIFORNIA AVE
CHICAGO, IL 60625
Internal Medicine (Nephrology)
5140 N CALIFORNIA AVE, SUITE 700
CHICAGO, IL 60625
Family Medicine
5140 N CALIFORNIA AVE, STE 700
CHICAGO, IL 60625
Podiatrist (Foot & Ankle Surgery)
5140 N CALIFORNIA AVE, STE 515
CHICAGO, IL 60625
Hospitalist
5140 N CALIFORNIA AVE
CHICAGO, IL 60625
Podiatrist (Foot & Ankle Surgery)
5140 N CALIFORNIA AVE
CHICAGO, IL 60625
Nurse Practitioner (Adult Health)
5140 N CALIFORNIA AVE
CHICAGO, IL 60625

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexa Oberster's NPI number?

The NPI number for Alexa Oberster is 1992630412. It was assigned to this individual provider in the NPPES registry on June 16, 2026.

Where is Alexa Oberster located?

Alexa Oberster practices at 5140 N California Ave, Chicago, IL 60625. The listed phone number is (773) 878-8200.

What is Alexa Oberster's specialty?

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

When was this NPI record last updated?

The NPPES record for Alexa Oberster was last updated on June 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.