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GRETA LIZ LOPEZ DNP, AGPCNP-BC,PMHNP
NPI 1619365954
Nurse Practitioner - Psychiatric/Mental Health in Nogales, AZ

Active since January 08, 2015PECOS EnrolledAccepts Medicare Assignment
1835 N MASTICK WAY, NOGALES, AZ 85621(520) 375-5000(520) 281-4487 Get Directions Write a Review

NPPES record last updated: April 1, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 1, 2025, Mar 27, 2025, Mar 10, 2025 and 6 more (9 updates tracked since 2017).

About Greta Liz Lopez Dnp, Agpcnp-bc,pmhnp NPPES

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

GRETA LIZ LOPEZ DNP, AGPCNP-BC,PMHNP (NPI 1619365954) is an individual psychiatric/mental health provider in Nogales, Arizona, licensed in Arizona (AP7606) and active in the NPI registry since January 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1619365954
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameGRETA LIZ LOPEZCredential: DNP, AGPCNP-BC,PMHNP
Location Address1835 N MASTICK WAYNogales, AZ 85621-1064
Mailing Address825 N Grand Ave Ste 100Nogales, AZ 85621-2385 · (520) 761-2133 · Fax (520) 281-1112
Phone(520) 375-5000
Fax(520) 281-4487
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateJanuary 8, 2015
Last NPPES UpdateApril 1, 20259 updates tracked since enumeration
NPPES CertifiedApril 1, 2025
✔ NPI 1619365954 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 AZ · AP7606
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License AP7606 (AZ)
1835 N MASTICK WAY, Nogales, AZ 85621
Open in Google Maps ↗

Other Identifiers 1

Medicaid983514AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc. and more.Insurance ›

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

Greta Liz Lopez Dnp, Agpcnp-bc,pmhnp 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 ID4587980594
PECOS Enrollment IDI20150311000583
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 Reassignments

5

Medicare enrollment records show Greta Lopez reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mariposa Community Health Center, Inc
Same address
Federally Qualified Health Center (FQHC)
1835 N MASTICK WAY
Nogales, AZ 85621
  • Reassigned Medicare billing, Arizona enrollment
  • 60 clinicians in this Medicare group
NPI 1104122563 (520) 281-1550
Intermountain Centers For Human Development Inc.
0.1 mi
Community/Behavioral Health
276 WEST VIEW POINT DRIVE
Nogales, AZ 85621
  • Reassigned Medicare billing, Arizona enrollment
  • 20 clinicians in this Medicare group
NPI 1336696657 (520) 281-0678
Pinal Hispanic Council
2.0 mi
Community/Behavioral Health
275 N GRAND COURT PLZ
Nogales, AZ 85621
  • Reassigned Medicare billing, Arizona enrollment
  • 30 clinicians in this Medicare group
NPI 1841592078 (520) 466-7765
Intermountain Health Center, Inc.
2.0 mi
Community/Behavioral Health
272 & 276 WEST VIEWPOINT DRIVE
Nogales, AZ 85621
  • Reassigned Medicare billing, Arizona enrollment
  • 25 clinicians in this Medicare group
NPI 1548771033 (520) 281-0678
Community Partners Integrated Healthcare, Inc.
41 mi
Community/Behavioral Health
2039 E WILCOX DR, SUITE A & B
Sierra Vista, AZ 85635
  • Reassigned Medicare billing, Arizona enrollment
  • 49 clinicians in this Medicare group
NPI 1659674984 (520) 226-9002

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 85621 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

MARIPOSA COMMUNITY HEALTH CENTER, INC
Clinic/Center (Federally Qualified Health Center (FQHC))
1835 N MASTICK WAY
NOGALES, AZ 85621
Santa Cruz County (520) 281-1550
RON WRIGHT MD, PHD
Psychiatry & Neurology (Psychiatry)
1835 N MASTICK WAY
NOGALES, AZ 85621
Santa Cruz County (520) 281-1550

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 Greta Lopez's NPI number?

The NPI number for Greta Lopez is 1619365954. It was assigned to this individual provider in the NPPES registry on January 8, 2015.

Where is Greta Lopez located?

Greta Lopez practices at 1835 N Mastick Way, Nogales, AZ 85621. The listed phone number is (520) 375-5000.

What is Greta Lopez's specialty?

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

Is Greta Lopez enrolled in Medicare?

Yes. Greta Lopez 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 Greta Lopez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Greta Lopez reassigns Medicare benefits to 5 organizations: Mariposa Community Health Center, Inc (Nogales, AZ), Intermountain Centers For Human Development Inc. (Nogales, AZ), Pinal Hispanic Council (Nogales, AZ), Intermountain Health Center, Inc. (Nogales, AZ) and Community Partners Integrated Healthcare, Inc. (Sierra Vista, AZ). 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 Greta Lopez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Greta Lopez accept?

Health plans from Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc., Oscar Health Plan, Inc. and UnitedHealthcare list Greta Lopez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Greta Lopez was last updated on April 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.