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PREVENTATIVE HEALTH ALLIANCE
NPI 1215702535
Internal Medicine in Phoenix, AZ

Active since November 16, 2023CLIA 03D1063262 · Microscopy
4150 N 108TH AVE STE 142, PHOENIX, AZ 85037(623) 242-9259(623) 466-9552 Get Directions Write a Review

NPPES record last updated: August 20, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 20, 2024, Apr 25, 2024, Nov 16, 2023 (3 updates tracked since 2023).

About Preventative Health Alliance NPPES

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

PREVENTATIVE HEALTH ALLIANCE (NPI 1215702535) is a healthcare organization registered as an internal medicine in Phoenix, Arizona and active in the NPI registry since November 2023. The organization holds a CLIA Microscopy certificate valid through September 25, 2027, maintains 2 additional practice locations, and lists Gladymar Vrkic, Coo, as its authorized official.

NPPES Registry Identity

NPI1215702535
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameHEALTHFIRST MEDICAL GROUP PC
Location Address4150 N 108TH AVE STE 142Phoenix, AZ 85037-5467
Mailing Address4150 N 108th Ave Ste 142Phoenix, AZ 85037-5467 · (623) 242-9259 · Fax (623) 466-9552
Phone(623) 242-9259
Fax(623) 466-9552
Organization SubpartYes
Authorized OfficialGladymar VrkicCoo · (813) 610-9031
Enumeration DateNovember 16, 2023
Last NPPES UpdateAugust 20, 20243 updates tracked since enumeration
NPPES CertifiedAugust 20, 2024
✔ NPI 1215702535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4150 N 108TH AVE STE 142, Phoenix, AZ 85037
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Other Names 1

Doing Business AsPreventative Health Alliance

Secondary Practice Locations 2

Location 114300 W Granite Valley Dr Ste B7Sun City West, AZ 85375-5797 · Phone (623) 776-3047
Location 23201 W Peoria Ave Ste 604Phoenix, AZ 85029-4608 · Phone (602) 993-1773

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Preventative Health Alliance 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 Preventative Health Alliance, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Silvia Sanchez Cardenas, MD
Internal Medicine
NPI 1295299402
6544 W THOMAS RD STE 1
Phoenix, AZ 85033
(602) 834-5515
✔ PECOS✔ Accepts Medicare5.3 mi
Stefany Irizarry
Nurse Practitioner
NPI 1679174262
750 N ESTRELLA PKWY STE 40
Goodyear, AZ 85338
(623) 223-7093
✔ PECOS✔ Accepts Medicare6.4 mi
Katherine Gross, M.D.
Pulmonary Disease
NPI 1336584184
14300 W GRANITE VALLEY DR STE E23
Sun City West, AZ 85375
(623) 975-0500
✔ PECOS✔ Accepts Medicare12 mi
Antonio Uvas, MD
Family Practice
NPI 1730109745
14300 W GRANITE VALLEY DR SUITE B-7
Sun City West, AZ 85375
(623) 776-3047
✔ PECOS✔ Accepts Medicare12 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 for Provider-Performed Microscopy Procedures (PPMP) 03D1063262

Preventative Health Alliance · Phoenix, AZ
Active · expires Sep 25, 2027
CLIA Number03D1063262
Laboratory TypePhysician Office
Certificate Effective DateSeptember 26, 2025
Certificate Expiration DateSeptember 25, 2027
Laboratory DirectorPaul M. Pulcini
Laboratory Phone(623) 242-9259
Laboratory LocationPreventative Health Alliance4150 N 108th Ave Ste 142, Phoenix, AZ 85037
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform 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 Healthfirst Medical Group PC's NPI number?

The NPI number for Healthfirst Medical Group PC is 1215702535. It was assigned to this organization in the NPPES registry on November 16, 2023. The provider is doing business as Preventative Health Alliance.

Where is Healthfirst Medical Group PC located?

Healthfirst Medical Group PC is located at 4150 N 108th Ave Ste 142, Phoenix, AZ 85037. The listed phone number is (623) 242-9259.

What is Healthfirst Medical Group PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Healthfirst Medical Group PC enrolled in Medicare?

Yes. Healthfirst Medical Group PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Healthfirst Medical Group PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Healthfirst Medical Group PC, in Family Practice, Internal Medicine, Nurse Practitioner and Pulmonary Disease. 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. Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Healthfirst Medical Group PC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 03D1063262) is associated with this NPI, valid through September 25, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Healthfirst Medical Group PC was last updated on August 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.