SERAFIN CHUA M.D.
NPI 1407872351
Internal Medicine - Rheumatology in Chicago, IL
About Serafin Chua M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SERAFIN CHUA M.D. (NPI 1407872351) is an individual rheumatology provider in Chicago, Illinois, licensed in Illinois (036091861) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Mt Sinai Hospital Medical Center, and is a graduate of Other (1987).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
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
Serafin Chua M.d. 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 Reassignment
Medicare enrollment records show Serafin Chua reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60608
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Mount Sinai Community Foundation
- 646 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 3
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mt Sinai Hospital Medical Center
Acute Care Hospitals · Chicago, ILHoly Cross Hospital
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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
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 Serafin Chua's NPI number?
The NPI number for Serafin Chua is 1407872351. It was assigned to this individual provider in the NPPES registry on July 14, 2006.
Where is Serafin Chua located?
Serafin Chua practices at 2653 W Ogden Ave 3rd Floor, Chicago, IL 60608. The listed phone number is (773) 257-6730.
What is Serafin Chua's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Serafin Chua enrolled in Medicare?
Yes. Serafin Chua 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 organization bills Medicare for Serafin Chua's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Serafin Chua reassigns Medicare benefits to Mount Sinai Community Foundation Dba Sinai Medical Group (Chicago, IL). 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 Serafin Chua's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Serafin Chua affiliated with any hospitals?
According to CMS data, Serafin Chua is affiliated with Mt Sinai Hospital Medical Center and Holy Cross Hospital.
When was this NPI record last updated?
The NPPES record for Serafin Chua was last updated on February 10, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.