ERIC AGUINALDO DO
NPI 1720374002
Internal Medicine in Blue Island, IL
About Eric Aguinaldo Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIC AGUINALDO DO (NPI 1720374002) is an individual internal medicine provider in Blue Island, Illinois, licensed in Illinois (036137705) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Advocate Christ Hospital & Medical Center, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Eric Aguinaldo Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Eric Aguinaldo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60617
- Reassigned Medicare billing, Illinois enrollment
- 343 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60406 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Eric Aguinaldo's NPI number?
The NPI number for Eric Aguinaldo is 1720374002. It was assigned to this individual provider in the NPPES registry on June 24, 2011.
Where is Eric Aguinaldo located?
Eric Aguinaldo practices at 3046 127th St, Blue Island, IL 60406. The listed phone number is (708) 377-7920.
What is Eric Aguinaldo's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Eric Aguinaldo enrolled in Medicare?
Yes. Eric Aguinaldo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Eric Aguinaldo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Aguinaldo reassigns Medicare benefits to 2 organizations: Oak Street Health Physicians Group, PC (Chicago, IL) and Endeavor Health Medical Group (Evanston, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Eric Aguinaldo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Eric Aguinaldo affiliated with any hospitals?
According to CMS data, Eric Aguinaldo is affiliated with Advocate Christ Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for Eric Aguinaldo was last updated on June 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Eric Aguinaldo, DO · NPI 1720374002
Internal Medicine physician in Blue Island, Illinois. Individual provider, active in the CMS NPPES registry since June 24, 2011.
## Identity
- **NPI:** 1720374002 (Entity type: Individual)
- **Enumerated:** June 24, 2011
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 036137705 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 3046 127TH ST, Blue Island, IL 60406-1827
- **Phone:** (708) 377-7920 · **Fax:** (708) 930-0414
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Oak Street Health Physicians Group, PC (NPI 1083051643, Chicago, IL); Endeavor Health Medical Group (NPI 1497701882, Evanston, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** June 5, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1720374002) · Data from the CMS NPPES public registry.