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Zachary Holowell

  • Phoenix, AZ
  • Physician assistant
NPI1689484206PAC ID4688162886
Hospital affiliations
1
Medical group
1
State license
1
Year NPI issued
2025
Practice address
1919 East Thomas Road, Phoenix, AZ 85016
Practice phone
Call (602) 933-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Phoenix Children's Hospital

Hospital · Phoenix, Arizona

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Zachary Holowell is a physician assistant in Phoenix, Arizona

Zachary Holowell practices at Phoenix Children's Hospital in Phoenix, Arizona, part of Phoenix Children's Hospital.

Zachary Holowell's NPI, 1689484206, was assigned on January 8, 2025. Zachary Holowell graduated from Eastern Virginia Medical School in 2025. Zachary Holowell holds Arizona license 11181.

NPI and contact details
NPI
1689484206NPI Registry (opens in a new tab)
Medicare PAC ID
4688162886
NPI enumeration date
January 8, 2025
NPI status
Active
Practice phone
(602) 933-1000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
27
Medical school graduation
2025

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Zachary Holowell practices at Phoenix Children's Hospital in Phoenix, Arizona

Zachary Holowell's primary practice is Phoenix Children's Hospital, at 1919 East Thomas Road, Phoenix, AZ 85016 in Maricopa County. The practice phone is (602) 933-1000.

Source: Dmand AI Affiliation Data

Zachary Holowell is affiliated with 1 site of care and 1 medical group

Zachary Holowell's primary practice is Phoenix Children's Hospital in Phoenix, Arizona, part of Phoenix Children's Hospital. The medical group on file is Phoenix Children's Medical Group.

Phoenix Children's Medical GroupPediatrics group, Phoenix, AZ

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Zachary Holowell's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Zachary Holowell practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Phoenix Children's HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Zachary Holowell is one of 2,965 physician assistants in Arizona

Physician assistant is Zachary Holowell's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Zachary Holowell is licensed in Arizona.

Specialties and state licenses

  • Physician assistant, ArizonaPrimaryLicense 11181 · taxonomy 363A00000X

Physician assistants near Zachary Holowell

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

2,965physician assistants in Arizona866physician assistants in Phoenix60physician assistants at Phoenix Children's Hospital

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Zachary Holowell's patients have a median age of 15

Across all payers, Dmand AI patient panel data puts Zachary Holowell's median patient age at 15, with 45% women.

Zachary Holowell's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 15

Patient panel by sex, all payers

  • Women45%
  • Men53%

Source: Dmand AI Patient Panel Data

Zachary Holowell graduated from Eastern Virginia Medical School

Zachary Holowell graduated from Eastern Virginia Medical School in 2025.

  1. Medical schoolEastern Virginia Medical School

Source: Dmand AI Professional Profile Data

Sources for Zachary Holowell's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Zachary Holowell

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Zachary Holowell's NPI number?

Zachary Holowell's NPI number is 1689484206. It was assigned on January 8, 2025, and it is active in the NPI Registry.

What does Zachary Holowell specialize in?

Zachary Holowell is a physician assistant in Phoenix, Arizona. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Zachary Holowell practice?

Zachary Holowell practices at 1919 East Thomas Road, Phoenix, AZ 85016. Zachary Holowell's primary practice is Phoenix Children's Hospital in Phoenix, Arizona, part of Phoenix Children's Hospital.

What is Zachary Holowell's office phone number?

The practice phone on file for Zachary Holowell is (602) 933-1000.

What is Zachary Holowell's medical license number?

Zachary Holowell holds Arizona license 11181.

Which hospitals is Zachary Holowell affiliated with?

Zachary Holowell practices at Phoenix Children's Hospital in Phoenix, Arizona.

What medical group is Zachary Holowell part of?

Zachary Holowell is linked to Phoenix Children's Medical Group.

Where did Zachary Holowell go to medical school?

Zachary Holowell graduated from Eastern Virginia Medical School in 2025.

How long has Zachary Holowell been practicing?

Zachary Holowell graduated from medical school in 2025, 1 years ago.

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