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GMC HEALTHCARE PLLC
NPI 1659153195
Clinic/Center in Scottsdale, AZ

Active since October 19, 2023CLIA 03D2299517 · Waiver
10250 N 124TH ST, SCOTTSDALE, AZ 85259(602) 603-4660(602) 860-6050 Get Directions Write a Review

NPPES record last updated: April 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 3, 2025, Mar 29, 2025, Oct 19, 2023 (3 updates tracked since 2023).

About Gmc Healthcare Pllc NPPES

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

GMC HEALTHCARE PLLC (NPI 1659153195), doing business as Gmc Healthcare, is a healthcare organization registered as a clinic/center in Scottsdale, Arizona and active in the NPI registry since October 2023. The organization holds a CLIA Waiver certificate valid through February 21, 2028, maintains 3 additional practice locations, and lists Randy V. Mallari, Administrator/ Provider, as its authorized official.

NPPES Registry Identity

NPI1659153195
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameGMC HEALTHCARE PLLC
Location Address10250 N 124TH STScottsdale, AZ 85259-5201
Mailing Address10250 N 124th StScottsdale, AZ 85259-5201 · (602) 603-4660 · Fax (602) 860-6050
Phone(602) 603-4660
Fax(602) 860-6050
Organization SubpartNo
Authorized OfficialRandy V. MallariAdministrator/ Provider · (602) 908-8580
Enumeration DateOctober 19, 2023
Last NPPES UpdateApril 3, 20253 updates tracked since enumeration
NPPES CertifiedApril 3, 2025
✔ NPI 1659153195 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X
Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X
10250 N 124TH ST, Scottsdale, AZ 85259
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Other Names 1

Doing Business AsGmc Healthcare

Secondary Practice Locations 3

Location 1525 3rd StLake Oswego, OR 97034-3081 · Phone (480) 400-0850 · Fax (480) 591-8885
Location 24801 Lang Ave NEAlbuquerque, NM 87109-4474 · Phone (505) 657-8881
Location 31050 Queen St Ste 100Honolulu, HI 96814-4130 · Phone (480) 400-0850

Other Identifiers 2

Other03D2299517Clia
Medicaid205177AZ

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gmc Healthcare Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Gmc Healthcare PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Colleen Lemmer, PMHNP
Nurse Practitioner
NPI 1407489701
10250 N 124TH ST
Scottsdale, AZ 85259
(480) 400-0850
✔ PECOSSame address
Randy Mallari, PMHNP-BC/C, FNP-BC/C
Nurse Practitioner
NPI 1306198429
10901 E MCDOWELL RD
Scottsdale, AZ 85256
(480) 278-7742
✔ PECOS✔ Accepts Medicare8.1 mi
Jesse Jimenez, MSN, FNP-BC
Nurse Practitioner
NPI 1124745260
1289 S BRIDGEGATE DR
Gilbert, AZ 85296
(575) 574-7338
✔ PECOS18 mi
David Snipper, MD
General Practice
NPI 1417925249
7470 DEAN MARTIN DR STE 101
Las Vegas, NV 89139
(702) 595-6462
✔ PECOS256 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 03D2299517

Gmc Healthcare PLLC · Scottsdale, AZ
Active · expires Feb 21, 2028
CLIA Number03D2299517
Laboratory TypePhysician Office
Certificate Effective DateFebruary 22, 2026
Certificate Expiration DateFebruary 21, 2028
Laboratory DirectorRandy Mallari
Laboratory Phone(480) 400-0850
Laboratory LocationGmc Healthcare PLLC10250 N 124th St, Scottsdale, AZ 85259
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Gmc Healthcare PLLC's NPI number?

The NPI number for Gmc Healthcare PLLC is 1659153195. It was assigned to this organization in the NPPES registry on October 19, 2023. The provider is doing business as GMC Healthcare.

Where is Gmc Healthcare PLLC located?

Gmc Healthcare PLLC is located at 10250 N 124th St, Scottsdale, AZ 85259. The listed phone number is (602) 603-4660.

What is Gmc Healthcare PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Is Gmc Healthcare PLLC enrolled in Medicare?

Yes. Gmc Healthcare PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gmc Healthcare PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Gmc Healthcare PLLC. A 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 the clinician's services. The largest specialties are Nurse Practitioner (3) and General Practice (1). Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Gmc Healthcare PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 03D2299517) is associated with this NPI, valid through February 21, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Gmc Healthcare PLLC was last updated on April 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.