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MARYSE GUEVARA FLORES NURSE PRACTITIONER
NPI 1497452957
Nurse Practitioner in West Covina, CA

Active since February 14, 2023PECOS EnrolledAccepts Medicare Assignment
1433 W MERCED AVE STE 114, WEST COVINA, CA 91790(626) 960-4989(626) 960-5520 Get Directions Write a Review

NPPES record last updated: February 21, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 21, 2023, Feb 14, 2023 (2 updates tracked since 2023).

About Maryse Guevara Flores Nurse Practitioner NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARYSE GUEVARA FLORES NURSE PRACTITIONER (NPI 1497452957) is an individual nurse practitioner in West Covina, California, licensed in California (814402) and active in the NPI registry since February 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1497452957
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARYSE GUEVARA FLORESCredential: NURSE PRACTITIONER
Location Address1433 W MERCED AVE STE 114West Covina, CA 91790-3402
Mailing Address1433 W Merced Ave Ste 114West Covina, CA 91790-3402 · (626) 960-4989 · Fax (626) 960-5520
Phone(626) 960-4989
Fax(626) 960-5520
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateFebruary 14, 2023
Last NPPES UpdateFebruary 21, 20232 updates tracked since enumeration
NPPES CertifiedFebruary 21, 2023
✔ NPI 1497452957 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 814402
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
1433 W MERCED AVE STE 114, West Covina, CA 91790
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Other Identifiers 1

Medicaid814402CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maryse Guevara Flores Nurse Practitioner 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.

PECOS PAC ID7416322854
PECOS Enrollment IDI20230417001632
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
109 services52 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91790 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CUA, GAN AND BIEN MEDICAL CORPORATION
Internal Medicine
1433 W MERCED AVE STE 114
WEST COVINA, CA 91790
Los Angeles County (626) 960-4989
CUA & GAN MEDICAL GROUP
Specialist
1433 W MERCED AVE STE 114
WEST COVINA, CA 91790
Los Angeles County (626) 960-4989

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 Maryse Flores's NPI number?

The NPI number for Maryse Flores is 1497452957. It was assigned to this individual provider in the NPPES registry on February 14, 2023.

Where is Maryse Flores located?

Maryse Flores practices at 1433 W Merced Ave Ste 114, West Covina, CA 91790. The listed phone number is (626) 960-4989.

What is Maryse Flores's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Maryse Flores enrolled in Medicare?

Yes. Maryse Flores 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.

When was this NPI record last updated?

The NPPES record for Maryse Flores was last updated on February 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.