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VO HENNON MEDICAL PLLC
NPI 1124823349
Internal Medicine in Glendale, AZ

Active since February 13, 2025CLIA 03D2095247 · Waiver
19420 N 59TH AVE STE H800, GLENDALE, AZ 85308(602) 889-7365(844) 772-0886 Get Directions Write a Review

NPPES record last updated: October 6, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 6, 2025, Feb 13, 2025 (2 updates tracked since 2025).

About Vo Hennon Medical Pllc NPPES

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

VO HENNON MEDICAL PLLC (NPI 1124823349) is a healthcare organization registered as an internal medicine in Glendale, Arizona and active in the NPI registry since February 2025. The organization holds a CLIA Waiver certificate valid through May 3, 2027 and lists William P Hennon, Physician / Owner, as its authorized official.

NPPES Registry Identity

NPI1124823349
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameVO HENNON MEDICAL PLLC
Location Address19420 N 59TH AVE STE H800Glendale, AZ 85308-6977
Mailing Address19420 N 59th Ave Ste H800Glendale, AZ 85308-6977 · (602) 889-7365 · Fax (844) 772-0886
Phone(602) 889-7365
Fax(844) 772-0886
Organization SubpartNo
Authorized OfficialWilliam P HennonPhysician / Owner · (602) 889-7365
Enumeration DateFebruary 13, 2025
Last NPPES UpdateOctober 6, 20252 updates tracked since enumeration
NPPES CertifiedOctober 6, 2025
✔ NPI 1124823349 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.
19420 N 59TH AVE STE H800, Glendale, AZ 85308
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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)

Vo Hennon Medical Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Vo Hennon Medical PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

William Hennon, MD
Internal Medicine
NPI 1295149896
19420 N 59TH AVE STE H800
Glendale, AZ 85308
(602) 889-7365
✔ PECOS✔ Accepts MedicareSame address

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 03D2095247

Vo Hennon Medical PLLC · Glendale, AZ
Active · expires May 3, 2027
CLIA Number03D2095247
Laboratory TypePhysician Office
Certificate Effective DateMay 4, 2025
Certificate Expiration DateMay 3, 2027
Laboratory DirectorWilliam P. Hennon
Laboratory Phone(602) 889-7365
Laboratory LocationVo Hennon Medical PLLC19420 N 59th Ave, Ste H800, Glendale, AZ 85308
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 Vo Hennon Medical PLLC's NPI number?

The NPI number for Vo Hennon Medical PLLC is 1124823349. It was assigned to this organization in the NPPES registry on February 13, 2025.

Where is Vo Hennon Medical PLLC located?

Vo Hennon Medical PLLC is located at 19420 N 59th Ave Ste H800, Glendale, AZ 85308. The listed phone number is (602) 889-7365.

What is Vo Hennon Medical PLLC's specialty?

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

Is Vo Hennon Medical PLLC enrolled in Medicare?

Yes. Vo Hennon Medical PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Vo Hennon Medical PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Vo Hennon Medical 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Vo Hennon Medical PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 03D2095247) is associated with this NPI, valid through May 3, 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 Vo Hennon Medical PLLC was last updated on October 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.