ALEJANDRO JALLER CHAR MD
NPI 1396448528
Internal Medicine - Rheumatology in Jacksonville, FL
About Alejandro Jaller Char Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEJANDRO JALLER CHAR MD (NPI 1396448528) is an individual rheumatology provider in Jacksonville, Florida, licensed in Florida (ME178911) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS, maintains a secondary practice location in Baltimore, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Alejandro Jaller Char Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alejandro Jaller Char reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Jacksonville, FL 32224
- Reassigned Medicare billing, Florida enrollment
- 1,828 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32224 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.
JACKSONVILLE, FL 32224
JACKSONVILLE, FL 32224
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 Alejandro Jaller Char's NPI number?
The NPI number for Alejandro Jaller Char is 1396448528. It was assigned to this individual provider in the NPPES registry on March 27, 2023.
Where is Alejandro Jaller Char located?
Alejandro Jaller Char practices at 4500 San Pablo Rd S, Jacksonville, FL 32224. The listed phone number is (904) 953-2000.
What is Alejandro Jaller Char's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Alejandro Jaller Char enrolled in Medicare?
Yes. Alejandro Jaller Char is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alejandro Jaller Char's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alejandro Jaller Char reassigns Medicare benefits to Mayo Clinic Jacksonville (Jacksonville, FL). 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 Alejandro Jaller Char's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Alejandro Jaller Char was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Alejandro Jaller Char, MD · NPI 1396448528
Rheumatology physician in Jacksonville, Florida. Individual provider, active in the CMS NPPES registry since March 27, 2023.
## Identity
- **NPI:** 1396448528 (Entity type: Individual)
- **Enumerated:** March 27, 2023
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** ME178911 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 4500 SAN PABLO RD S, Jacksonville, FL 32224-1865
- **Phone:** (904) 953-2000
## 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:** Mayo Clinic Jacksonville (NPI 1174143986, Jacksonville, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** May 19, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1396448528) · Data from the CMS NPPES public registry.