FRANK JOSEPH MERCARDANTE JR. DO
NPI 1841617875
Pediatrics in Wildomar, CA
About Frank Joseph Mercardante Jr. Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FRANK JOSEPH MERCARDANTE JR. DO (NPI 1841617875) is an individual pediatrics provider in Wildomar, California, licensed in California (20A15179) and active in the NPI registry since March 2014. He 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)
Frank Joseph Mercardante Jr. Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Frank Mercardante reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hemet, CA 92545
- Reassigned Medicare billing, California enrollment
- 5,228 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 92595 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.
WILDOMAR, CA 92595
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 Frank Mercardante's NPI number?
The NPI number for Frank Mercardante is 1841617875. It was assigned to this individual provider in the NPPES registry on March 27, 2014.
Where is Frank Mercardante located?
Frank Mercardante practices at 36450 Inland Valley Dr, Wildomar, CA 92595. The listed phone number is (951) 600-3415.
What is Frank Mercardante's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Frank Mercardante enrolled in Medicare?
Yes. Frank Mercardante is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Frank Mercardante's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frank Mercardante reassigns Medicare benefits to Southern California Permanente Medical Group (Hemet, 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 Frank Mercardante'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 Frank Mercardante was last updated on December 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Frank Joseph Mercardante Jr., DO · NPI 1841617875
Pediatrics physician in Wildomar, California. Individual provider, active in the CMS NPPES registry since March 27, 2014.
## Identity
- **NPI:** 1841617875 (Entity type: Individual)
- **Enumerated:** March 27, 2014
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 20A15179 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 36450 INLAND VALLEY DR, Wildomar, CA 92595-9583
- **Phone:** (951) 600-3415
## 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:** Southern California Permanente Medical Group (NPI 1013433465, Hemet, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 3, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1841617875) · Data from the CMS NPPES public registry.