DR. GRETEL MARIE MENDOZA DNP
NPI 1245652387
Nurse Practitioner - Psychiatric/Mental Health in Temecula, CA

Active since January 08, 2014PECOS EnrolledAccepts Medicare Assignment
27349 JEFFERSON AVE STE 111, TEMECULA, CA 92590(949) 201-8260(951) 221-5689 Get Directions Write a Review

NPPES record last updated: April 26, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 21, 2022, Jul 25, 2022, Jan 5, 2022 and 3 more (6 updates tracked since 2015).

About Dr. Gretel Marie Mendoza Dnp NPPES

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

DR. GRETEL MARIE MENDOZA DNP (NPI 1245652387) is an individual psychiatric/mental health provider in Temecula, California, licensed in California (95002233) and active in the NPI registry since January 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Diego, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1245652387
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameDR. GRETEL MARIE MENDOZACredential: DNP
Location Address27349 JEFFERSON AVE STE 111Temecula, CA 92590-5610
Mailing Address27349 Jefferson Ave Ste 111Temecula, CA 92590-5610
Fax(951) 221-5689
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateJanuary 8, 2014
Last NPPES UpdateApril 26, 20236 updates tracked since enumeration
NPPES CertifiedApril 26, 2023
✔ NPI 1245652387 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95002233
Also ListedRegistered Nurse · Psychiatric/Mental HealthTaxonomy 163WP0808X · License 763562 (CA)
27349 JEFFERSON AVE STE 111, Temecula, CA 92590

Secondary Practice Location 1

Location 110737 Camino RuizSan Diego, CA 92126-2359 · Phone (844) 200-2426 · Fax (951) 221-5689

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

Dr. Gretel Marie Mendoza Dnp 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 ID6103135306
PECOS Enrollment IDI20151028001826
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.

Medicare Billing Reassignment

Medicare enrollment records show Gretel Marie Mendoza reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Same address
Mental Health
27349 JEFFERSON AVE STE 111
Temecula, CA 92590
  • Reassigned Medicare billing, California enrollment
  • 40 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 92590 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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 13

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

Counselor (Mental Health)
27349 JEFFERSON AVE STE 111
TEMECULA, CA 92590
Marriage & Family Therapist
27349 JEFFERSON AVE STE 111
TEMECULA, CA 92590
Counselor (Mental Health)
27349 JEFFERSON AVE STE 111
TEMECULA, CA 92590
Marriage & Family Therapist
27349 JEFFERSON AVE STE 111
TEMECULA, CA 92590
Registered Nurse
27349 JEFFERSON AVE STE 111
TEMECULA, CA 92590
Social Worker (Clinical)
27349 JEFFERSON AVE STE 111
TEMECULA, CA 92590
Counselor (Mental Health)
27349 JEFFERSON AVE STE 111
TEMECULA, CA 92590
Marriage & Family Therapist
27349 JEFFERSON AVE STE 111
TEMECULA, CA 92590

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 Gretel Marie Mendoza's NPI number?

The NPI number for Gretel Marie Mendoza is 1245652387. It was assigned to this individual provider in the NPPES registry on January 8, 2014.

Where is Gretel Marie Mendoza located?

Gretel Marie Mendoza practices at 27349 Jefferson Ave Ste 111, Temecula, CA 92590. The listed phone number is (949) 201-8260.

What is Gretel Marie Mendoza's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Gretel Marie Mendoza enrolled in Medicare?

Yes. Gretel Marie Mendoza 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 organization bills Medicare for Gretel Marie Mendoza's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gretel Marie Mendoza reassigns Medicare benefits to Psych Partners (Temecula, 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 Gretel Marie Mendoza'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 Gretel Marie Mendoza was last updated on April 26, 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.