MELISSA AROMIN M.D.
NPI 1477810497
Pediatrics - Pediatric Emergency Medicine in Orange, CA
About Melissa Aromin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA AROMIN M.D. (NPI 1477810497) is an individual pediatric emergency medicine provider in Orange, California, licensed in California (A131380) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Melissa Aromin M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Melissa Aromin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 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.
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.
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
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 Melissa Aromin's NPI number?
The NPI number for Melissa Aromin is 1477810497. It was assigned to this individual provider in the NPPES registry on April 15, 2012.
Where is Melissa Aromin located?
Melissa Aromin practices at 505 S Main St Suite 525, Orange, CA 92868. The listed phone number is (714) 456-5631.
What is Melissa Aromin's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Melissa Aromin enrolled in Medicare?
Yes. Melissa Aromin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Melissa Aromin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Aromin reassigns Medicare benefits to Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA). 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 Melissa Aromin'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 Melissa Aromin was last updated on January 18, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.