MS. PATRICIA MARIE GRECO NP
NPI 1841321817
Nurse Practitioner - Pediatrics in Corona, CA
About Ms. Patricia Marie Greco Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. PATRICIA MARIE GRECO NP (NPI 1841321817) is an individual pediatrics provider in Corona, California, licensed in California (NP9693) and active in the NPI registry since March 2007. 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)
Ms. Patricia Marie Greco Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Patricia Greco reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Norco, CA 92860
- Reassigned Medicare billing, California enrollment
- 24 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 92882 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Patricia Greco's NPI number?
The NPI number for Patricia Greco is 1841321817. It was assigned to this individual provider in the NPPES registry on March 8, 2007.
Where is Patricia Greco located?
Patricia Greco practices at 2250 S Main St Ste 106, Corona, CA 92882. The listed phone number is (951) 371-2703.
What is Patricia Greco's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Patricia Greco enrolled in Medicare?
Yes. Patricia Greco is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Patricia Greco's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patricia Greco reassigns Medicare benefits to Citrus Valley Medical Associates, Inc. (Norco, 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 Patricia Greco'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 Patricia Greco was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Ms. Patricia Marie Greco, NP · NPI 1841321817
Pediatrics physician in Corona, California. Individual provider, active in the CMS NPPES registry since March 8, 2007.
## Identity
- **NPI:** 1841321817 (Entity type: Individual)
- **Enumerated:** March 8, 2007
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** NP9693 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2250 S MAIN ST STE 106, Corona, CA 92882-2501
- **Phone:** (951) 371-2703
## 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:** Citrus Valley Medical Associates, Inc. (NPI 1306033709, Norco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1841321817) · Data from the CMS NPPES public registry.