KAREN JEAN CARUSO MSN, RN, FNP-BC
NPI 1679816680
Nurse Practitioner - Family in San Juan Capistrano, CA
About Karen Jean Caruso Msn, Rn, Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN JEAN CARUSO MSN, RN, FNP-BC (NPI 1679816680) is an individual family provider in San Juan Capistrano, California, licensed in California (23053) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2012).
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 and accepts Medicare assignment
Karen Jean Caruso Msn, Rn, Fnp-bc 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 Reassignments
3Medicare enrollment records show Karen Caruso reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mission Viejo, CA 92691
- Reassigned Medicare billing, California enrollment
- 1,699 clinicians in this Medicare group
Anaheim, CA 92804
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Chicago, IL 60601
- Reassigned Medicare billing, California enrollment
- 31 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 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92675 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN JUAN CAPISTRANO, CA 92675
SAN JUAN CAPISTRANO, CA 92675
SAN JUAN CAPISTRANO, CA 92675
SAN JUAN CAPISTRANO, CA 92675
SAN JUAN CAPISTRANO, CA 92675
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 Karen Caruso's NPI number?
The NPI number for Karen Caruso is 1679816680. It was assigned to this individual provider in the NPPES registry on March 28, 2013.
Where is Karen Caruso located?
Karen Caruso practices at 30230 Rancho Viejo Rd Suite 200, San Juan Capistrano, CA 92675. The listed phone number is (949) 443-4303.
What is Karen Caruso's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Karen Caruso enrolled in Medicare?
Yes. Karen Caruso 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 organizations bill Medicare for Karen Caruso's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Caruso reassigns Medicare benefits to 3 organizations: Providence Medical Foundation (Mission Viejo, CA), Fariborz Shams, Do Inc. (Anaheim, CA) and Mpac Smh Of California PC (Chicago, IL). Each 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 Karen Caruso'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 Karen Caruso was last updated on January 11, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Karen Jean Caruso, MSN, RN, FNP-BC · NPI 1679816680
Family physician in San Juan Capistrano, California. Individual provider, active in the CMS NPPES registry since March 28, 2013.
## Identity
- **NPI:** 1679816680 (Entity type: Individual)
- **Enumerated:** March 28, 2013
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 23053 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 30230 RANCHO VIEJO RD, SUITE 200, San Juan Capistrano, CA 92675-1557
- **Phone:** (949) 443-4303 · **Fax:** (949) 443-4033
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Providence Medical Foundation (NPI 1427305960, Mission Viejo, CA); Fariborz Shams, Do Inc. (NPI 1215107495, Anaheim, CA); Mpac Smh Of California PC (NPI 1821660960, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** January 11, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1679816680) · Data from the CMS NPPES public registry.