Maritess Montoya Zareno, NP

Primary Care Nurse Practitioner

Nurse Practitioner

Maritess Montoya Zareno is a Primary Care Nurse Practitioner based in Valencia, CA with over 21 years of clinical experience. Offers virtual telehealth visits.

(661) 222-2605Valencia, CA
Telehealth Available
NPI Active per CMS — Q2 2026

Maritess Montoya Zareno, NP has been part of the Valencia medical community since 2006 in group practice. Trained at University of California, Geffen School of Medicine (class of 2005), she has been practicing for over 21 years. Among her Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).

1 of 99 Nurse Practitioner providers in CASee all Nurse Practitioner in Valencia21+ years experienceNPI since 2006

Older · 4969dNPPES updated 2012-10-15 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

26357 Mcbean Pkwy, Valencia, CA 91355-4488

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.

Hypertension
64%

High blood pressure — a leading risk factor for heart disease and stroke

High Cholesterol
64%

Elevated cholesterol or triglycerides that increase heart disease risk

Arthritis
41%

Joint inflammation causing pain, swelling, and stiffness

Diabetes
25%

A condition where the body cannot properly regulate blood sugar levels

Mood Disorders
23%

Conditions affecting emotional state, including depression and bipolar disorder

Depression
21%

A mood disorder causing persistent sadness and loss of interest in activities

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2005

    University of California, Geffen School of Medicine

  2. 21 years in practice

    Experienced

Nurse PractitionerPrimary Care in ValenciaPhysician Assistants & Advanced Practice Nursing Providers

Definition to come...

Taxonomy: 363LP2300X

Education & Training

University of California, Geffen School of Medicine (Class of 2005)

Practice Footprint

Mailing address

Po Box 9602, Mission Hills, CA 91346-9602

Differs from practice location

Virtual Primary Care Care With Maritess Montoya Zareno

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Maritess Montoya Zareno for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Valencia required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Maritess Montoya Zareno

NPI records show Dr. Zareno as active with telehealth listed in Valencia, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (661) 222-2605.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Physician Comparator. See Data Methodology.

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Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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