G CALEB ALEXANDER MD
NPI 1356402184
Internal Medicine in Burr Ridge, IL
About G Caleb Alexander Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
G CALEB ALEXANDER MD (NPI 1356402184) is an individual internal medicine provider in Burr Ridge, Illinois, licensed in Illinois (036104441) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
G Caleb Alexander Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show G Alexander reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bethesda, MD 20814
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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 4
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.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60527 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.
BURR RIDGE, IL 60527
BURR RIDGE, IL 60527
BURR RIDGE, IL 60527
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 G Alexander's NPI number?
The NPI number for G Alexander is 1356402184. It was assigned to this individual provider in the NPPES registry on December 13, 2006.
Where is G Alexander located?
G Alexander practices at 180 Harvester Dr Ste 110, Burr Ridge, IL 60527. The listed phone number is (773) 834-4064.
What is G Alexander's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is G Alexander enrolled in Medicare?
Yes. G Alexander is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for G Alexander's services?
According to the CMS Revalidation Reassignment List (October 2026 release), G Alexander reassigns Medicare benefits to Johns Hopkins University (Bethesda, MD). The 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 G Alexander's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is G Alexander affiliated with any hospitals?
According to CMS data, G Alexander is affiliated with Johns Hopkins Hospital, The.
When was this NPI record last updated?
The NPPES record for G Alexander was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.
# G Caleb Alexander, MD · NPI 1356402184
Internal Medicine physician in Burr Ridge, Illinois. Individual provider, active in the CMS NPPES registry since December 13, 2006.
## Identity
- **NPI:** 1356402184 (Entity type: Individual)
- **Enumerated:** December 13, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 036104441 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 180 HARVESTER DR STE 110, Burr Ridge, IL 60527-6686
- **Phone:** (773) 834-4064
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Johns Hopkins University (NPI 1578569240, Bethesda, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 1998
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified L99976; Medicaid 036104441 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1356402184) · Data from the CMS NPPES public registry.