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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALEXANDER RUIZ MD
NPI 1144916479
Family Medicine in Chicago, IL

Active since April 11, 2023PECOS Enrolled
2355 S WESTERN AVE, CHICAGO, IL 60608(773) 254-1400 Get Directions Write a Review

NPPES record last updated: August 27, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 27, 2026, Apr 11, 2023 (2 updates tracked since 2023).

About Alexander Ruiz Md NPPES

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

ALEXANDER RUIZ MD (NPI 1144916479) is an individual family medicine provider in Chicago, Illinois, licensed in Illinois (036.181255) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144916479
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameALEXANDER RUIZCredential: MD
Location Address2355 S WESTERN AVEChicago, IL 60608-3837
Mailing Address2355 S Western AveChicago, IL 60608-3837 · (773) 254-1400
Phone(773) 254-1400
Sole ProprietorYes
Enumeration DateApril 11, 2023
Last NPPES UpdateAugust 27, 20262 updates tracked since enumeration
NPPES CertifiedAugust 27, 2026
✔ NPI 1144916479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IL · 036.181255
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2355 S WESTERN AVE, Chicago, IL 60608
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexander Ruiz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60608 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MRS. MIREYA E RENTERIA RD, LDN
Dietitian, Registered
2355 S WESTERN AVE
CHICAGO, IL 60608
Cook County (773) 650-1220
DR. WEN-HO YANG M.D.
Family Medicine
2355 S WESTERN AVE
CHICAGO, IL 60608
Cook County (773) 254-1400
JOHANNA CAROLINA MONTOYA CASTILLO PA-C
Physician Assistant (Medical)
2355 S WESTERN AVE
CHICAGO, IL 60608
Cook County (773) 254-1400
ALLISON ASAKO TSAMBARLIS M.D.
Obstetrics & Gynecology
2355 S WESTERN AVE
CHICAGO, IL 60608
Cook County (773) 254-1400
BETZABE ADAME
Counselor (Mental Health)
2355 S WESTERN AVE
CHICAGO, IL 60608
Cook County (773) 254-1400
BRITTANY HAY CNM
Advanced Practice Midwife
2355 S WESTERN AVE
CHICAGO, IL 60608
Cook County (773) 254-1400
DONALD VINCENT WOZNICA MD
Family Medicine
2355 S WESTERN AVE
CHICAGO, IL 60608
Cook County (773) 254-1400
DAISY LAUREANO
Nurse Practitioner (Family)
2355 S WESTERN AVE
CHICAGO, IL 60608
Cook County (773) 254-1400

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 Alexander Ruiz's NPI number?

The NPI number for Alexander Ruiz is 1144916479. It was assigned to this individual provider in the NPPES registry on April 11, 2023.

Where is Alexander Ruiz located?

Alexander Ruiz practices at 2355 S Western Ave, Chicago, IL 60608. The listed phone number is (773) 254-1400.

What is Alexander Ruiz's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Alexander Ruiz enrolled in Medicare?

Yes. Alexander Ruiz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alexander Ruiz was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.