ALEXANDER RUIZ MD
NPI 1144916479
Family Medicine in Chicago, IL
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, is affiliated with Presence Saints Mary And Elizabeth Medical Center, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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).
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Presence Saints Mary And Elizabeth Medical Center
Acute Care Hospitals · Chicago, ILPhysician 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.
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.
CHICAGO, IL 60608
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.
Is Alexander Ruiz affiliated with any hospitals?
According to CMS data, Alexander Ruiz is affiliated with Presence Saints Mary And Elizabeth Medical Center.
When was this NPI record last updated?
The NPPES record for Alexander Ruiz was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.
# Alexander Ruiz, MD · NPI 1144916479
Family Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since April 11, 2023.
## Identity
- **NPI:** 1144916479 (Entity type: Individual)
- **Enumerated:** April 11, 2023
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 036.181255 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2355 S WESTERN AVE, Chicago, IL 60608-3837
- **Phone:** (773) 254-1400
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** October 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1144916479) · Data from the CMS NPPES public registry.