Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Ivy L Rizzi , PA

Physician Assistant β€’ Phoenix, AZ

Active NPI 1154003358 Individual Practitioner Female Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

610 E Baseline Rd Ste 5
Phoenix, AZ 850426536

Call 6022307373 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

610 E Baseline Rd Ste 5

Phoenix, AZ 850426536

Telephone 6022307373
Fax 6024415836
Organization at the Same NPPES Address or Phone
Denova Collaborative Health, Llc Facility NPI 1710283593

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

NPPES lists 1 additional practice-address record in Hillsboro, OR. See the list

Source: CMS NPPES NPI Registry, practice location records; release date unavailable.

CMS Doctors and Clinicians lists 1 group name: Denova Collaborative Health, Llc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Graduation Year

2024

Open Payments general payments, program year 2025

All general payments: $60.75 across 3 records.

By nature of payment

  • Food and Beverage: $60.75 across 3 records.

Reporting-company totals

  • Janssen Pharmaceuticals, Inc: $26.56 across 1 record.
  • Neurocrine BioSciences, Inc.: $19.97 across 1 record.
  • Bristol Myers Squibb Company: $14.22 across 1 record.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

2 years (graduated 2024)

CMS Doctors and Clinicians data list 2024 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2023

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, β€œDoes your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

Telehealth (some services)

Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.

What this does not show: Telehealth (some services)

It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Ivy Rizzi has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Ivy Rizzi as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Phoenix and Arizona

926 active clinicians are listed under Physician Assistant with a practice address in Phoenix, AZ (3,673 in Arizona).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Phoenix

14.4% of these 926 clinicians have the CMS telehealth indicator.

56.2% of these 926 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo Β· Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments Β· Program Year 2025

Program year 2025 (payments made January 1 – December 31, 2025): fewer than 11 records totaling $60.75.

Manufacturer Payment Nature Product Type Amount ($)
Janssen Pharmaceuticals, Inc
Food and Beverage
In-kind items and services
INVEGA SUSTENNA General $26.56
Neurocrine BioSciences, Inc.
Food and Beverage
In-kind items and services
INGREZZA General $19.97
Bristol Myers Squibb Company
Food and Beverage
Cash or cash equivalent
COBENFY General $14.22

Source: CMS Open Payments, program year 2025, released June 30, 2026.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2024-10-22
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

License # reported to NPPES AZ 10687

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Clinical Nurse Specialist - Psychiatric/Mental Health

NUCC Taxonomy Code: 364SP0808X

License # reported to NPPES AZ 10687
Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Arizona Medical Board.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - PHYSICIAN ASSISTANT

Medicare Enrollment ID

I20241028003224

Enrollment State Jurisdiction

AZ

PECOS Control ID

2769915842

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

Denova Collaborative Health, Llc

610 E Baseline Rd, Phoenix, AZ 850426536

Phone: 6022307373

Denova Collaborative Health, Llc

3033 N Central Ave, Phoenix, AZ 850122806

Phone: 6022307373

Secondary Practice Locations

222 Se 8th Ave Ste 551

Hillsboro, OR 971234218

Phone: 5033527272

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

15 listed
Olivia Abuhl , PA-C

Clinical Nurse Specialist - Psychiatric/Mental Health

NPI 1003539842

Physician Assistant (Certified)

NPI 1356548226

Doctor of Medicine (M.D.)

Dr. Mark Callesen , MD

Psychiatry & Neurology - Psychiatry

NPI 1457461956

Doctor of Medicine (M.D.)

Dr. Michelle Cator , DNP, FNP-C

Nurse Practitioner - Family

NPI 1114401049

Doctor of Nursing Practice, Family Nurse Practitioner (Certified)

Jamie Crumley , PMHNP

Nurse Practitioner - Psychiatric/Mental Health

NPI 1629532387

Psychiatric-Mental Health Nurse Practitioner

Cathy Kaplicki , NP

Nurse Practitioner

NPI 1033142666

Nurse Practitioner

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

11 Historical Events
πŸ“
Updated Practice Location October 22, 2024

Registered at 610 E BASELINE RD STE 5, PHOENIX, AZ 850426536 (Tel: 6022307373)

πŸ‘€
Provider Name / Credentials Updated October 22, 2024

Recorded as IVY RIZZI, PA

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) October 22, 2024

Clinical Nurse Specialist (license number reported to NPPES: AZ 10687)

πŸ“
Updated Practice Location September 25, 2024

Registered at 3101 N CENTRAL AVE STE 550, PHOENIX, AZ 850122635 (Tel: 6022307373)

πŸ“
Updated Business Mailing Address September 25, 2024

Registered at 3101 N CENTRAL AVE STE 550, PHOENIX, AZ 850122635 (Tel: 6022307373)

βœ…
NPI Profile Active August 07, 2023

NPI status registered as active in NPPES database

πŸ“
Practice Location (Initial Record) August 07, 2023

Registered at 222 SE 8TH AVE STE 551, HILLSBORO, OR 971234218 (Tel: 5033527272)

πŸ“
Business Mailing Address (Initial Record) August 07, 2023

Registered at 222 SE 8TH AVE STE 551, HILLSBORO, OR 971234218 (Tel: 5033527272)

πŸ‘€
Provider Name / Credentials (Initial Record) August 07, 2023

Recorded as IVY RIZZI

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) August 07, 2023

Student in an Organized Health Care Education/Training Program

🟒
Initial NPI Registration & Enumeration August 07, 2023

First registered as active Individual Practitioner in NPPES Database.

No reviews have been published yet. Leave a review.

NPI Administrative Meta

NPI Number: 1154003358
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 07, 2023
Last Update: October 22, 2024
Sole Proprietor: No

Other Physician Assistants in Phoenix

All Physician Assistants in Phoenix

Mailing Address

3101 N Central Ave Ste 550

Phoenix, AZ 850122635

Phone: 6022307373

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.