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MG

Maria Guerrero

Rn

registered nurse Walnut Creek, CA John Muir Medical Center
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Reveal Contact Info
Overview
Level
Staff
Function
Healthcare
Tenure
18 years at John Muir Medical Center
Gender
Female
Connections
11
Position in HealthTal Database
  • 127,038 healthcare professionals in HealthTal hold the registered nurse specialty. Maria Guerrero is one of them.
  • 10,885 registered nurses are based in CA (out of 155,461 total healthcare contacts in that state).
  • 76 contacts at John Muir Medical Center are tracked in HealthTal.
  • Typical registered nurse compensation in CA: $83,000 – $153,000 (median $101,000). Source: BLS OEWS adjusted for state cost of labor.
  • Top employers of registered nurses in CA: Kaiser Permanente (1,172), Sutter Health (320), Sharp Healthcare (183).
  • 5% of registered nurses in CA hold a senior title (Director, Manager, Chief, VP, etc.).
  • 36% of registered nurses in CA have verified education credentials on file.
  • Data refreshed May 2026.

Public records & verifications
  • Verify against the NPPES Provider Registry (HHS / CMS). Search NPPES →
  • Professional LinkedIn profile on file (subscribers only).
  • Data aggregated from public licensure databases, LinkedIn, and verified employer records. Cross-check via the registry link above.
Education
Contra Costa College
Associate's degree
1995
De Anza High School
1987
Skills
Nursing Bls Inpatient Patient Safety Hospitals Healthcare Cpr Certified Patient Education Patient Advocacy Nursing Education
About John Muir Medical Center
Industry
Hospitals & Physicians Clinics
Employees
1000 to 4999
Revenue
$1B+
Office Location
Walnut Creek, CA
Professional Overview

Maria Guerrero is a Rn, currently affiliated with John Muir Medical Center, based in Walnut Creek, CA. As a registered nurse, Guerrero contributes to patient care, clinical workflows, and healthcare operations in Walnut Creek, CA. They have been with John Muir Medical Center for 18 years. Guerrero holds academic credentials, including Associate's degree, from Contra Costa College and De Anza High School. Core competencies include Nursing, Bls, Inpatient, Patient Safety, Hospitals. John Muir Medical Center operates in the Hospitals & Physicians Clinics sector with a workforce of 1000 to 4999 employees. Healthcare organizations seeking to recruit registered nurse professionals can use HealthTal to access verified direct email addresses and personal phone numbers sourced from NPI records and professional licensing databases. Direct outreach to registered nurse specialists consistently yields higher response rates than passive job board postings, particularly for roles requiring specific clinical credentials or state licensure. The Walnut Creek, CA healthcare market offers access to a concentrated pool of clinical professionals, making direct outreach particularly effective for organizations building local care teams or expanding service capacity in the region.

Recruiting registered nurse

Registered nurses are among the most in-demand healthcare professionals in the US. Recruiting RNs directly via personal contact data significantly reduces time-to-fill compared to job boards. When recruiting nurses, highlighting shift flexibility, signing bonuses, and professional development opportunities increases response rates.

Browse all registered nurses →

Frequently Asked Questions

Where is Maria Guerrero located?
Maria Guerrero is based in Walnut Creek, CA. They are currently affiliated with John Muir Medical Center.
What is Maria Guerrero's specialty?
Maria Guerrero specializes in registered nurse. Their current role is Rn.
Where does Maria Guerrero currently work?
Maria Guerrero currently works at John Muir Medical Center. They have been there for 18 years.
What is Maria Guerrero's educational background?
Maria Guerrero attended Contra Costa College and De Anza High School.
How do I contact Maria Guerrero for recruiting?
HealthTal provides verified direct email address and phone number for Maria Guerrero. Subscribe to access full contact details including personal email, direct dial, and LinkedIn profile.
How do I recruit a registered nurse?
Recruiting registered nurses typically involves reaching out via direct email or phone. HealthTal's database provides verified contact data for registered nurses across all 50 states, allowing you to contact candidates directly without going through job boards.
What is the average salary for a registered nurse in CA?
registered nurses in CA typically earn $83,000 to $153,000 annually, with a median of $101,000. Figures derive from BLS OEWS data, adjusted for state cost of labor. Senior-titled roles (Director, Manager, Chief) and high-acuity practice settings push the upper end.

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