LORENA MONARREZ M.D.
NPI 1104156355
Emergency Medicine in Salinas, CA
About Lorena Monarrez M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LORENA MONARREZ M.D. (NPI 1104156355) is an individual emergency medicine provider in Salinas, California, licensed in California (A109938) and active in the NPI registry since January 2010. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Lorena Monarrez 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 Reassignments
2Medicare enrollment records show Lorena Monarrez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Salinas, CA 93906
- Reassigned Medicare billing, California enrollment
- 2,323 clinicians in this Medicare group
Gilroy, CA 95020
- Reassigned Medicare billing, California enrollment
- 2,460 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 4
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 93906 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.
SALINAS, CA 93906
SALINAS, CA 93906
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 Lorena Monarrez's NPI number?
The NPI number for Lorena Monarrez is 1104156355. It was assigned to this individual provider in the NPPES registry on January 11, 2010. The provider is also known as Lorena Monarrez Guidi.
Where is Lorena Monarrez located?
Lorena Monarrez practices at 1441 Constitution Blvd, Salinas, CA 93906. The listed phone number is (831) 755-6268.
What is Lorena Monarrez's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Lorena Monarrez enrolled in Medicare?
Yes. Lorena Monarrez 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 Lorena Monarrez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lorena Monarrez reassigns Medicare benefits to 2 organizations: Cep America - California (Salinas, CA) and County Of Santa Clara (Gilroy, CA). 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 Lorena Monarrez'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 Lorena Monarrez was last updated on October 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Lorena Monarrez, M.D. · NPI 1104156355
Emergency Medicine physician in Salinas, California. Individual provider, active in the CMS NPPES registry since January 11, 2010.
## Identity
- **NPI:** 1104156355 (Entity type: Individual)
- **Enumerated:** January 11, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A109938 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1441 CONSTITUTION BLVD, Salinas, CA 93906-3100
- **Phone:** (831) 755-6268
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Cep America - California (NPI 1649226077, Salinas, CA); County Of Santa Clara (NPI 1922093533, Gilroy, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 2007
## Record status
- **NPPES last updated:** October 26, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1104156355) · Data from the CMS NPPES public registry.