Physician assistants in Fontana, CA

  • Medical physician assistant
  • Fontana, California
Physician assistants
31
Linked to a hospital or group
29
Hospitals with a physician assistant
8
Medical groups with a physician assistant
32
Practice at a hospital
17

There are 31 physician assistants in Fontana. Southern California Permanente Medical Group has the most, 19, and Fontana Medical Center has the most affiliated physician assistants, 10.

Find work emails and mobile numbers for all 31 Fontana physician assistants

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Fontana physician assistants, listed A to Z by last name

Each physician assistant on the list has medical physician assistant as their primary specialty and a Fontana practice address. The list shows the NPI, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.

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Fontana physician assistants, A to Z
Physician assistantHospitalsMedical groupsEmail and phone
Wendy Jessica Amezcua, PANPI 1982854865-1 groupContacts
Megan C. BuetiNPI 12355341081 hospital1 groupContacts
Charinda Charoen, PANPI 14374406251 hospital3 groupsContacts
Kyle S. Daniels, PANPI 15285661221 hospital1 groupContacts
Michael Gavin Deguzman, PA-CNPI 1235202144-2 groupsContacts
John J. Devere Jr., PA-CNPI 18119213801 hospital2 groupsContacts
Joann F. Enderica, PANPI 19921200421 hospital2 groupsContacts
Philomina Eyong, PANPI 1164560264--Contacts
Berthold Halter Jr., PA-CNPI 19526365241 hospital2 groupsContacts
Brett C. Heslop, PA-CNPI 19426010182 hospitals2 groupsContacts
Meaza Z. Kidane, PA-CNPI 11748539071 hospital4 groupsContacts
Esther Loya, PA-CNPI 1548557309-1 groupContacts
Lacey ManzanaresNPI 16691455531 hospital2 groupsContacts
Steven Montenegro, PA-CNPI 12751578021 hospital6 groupsContacts
Catherine Domingo Oms, PA-C, RNNPI 19828807951 hospital7 groupsContacts
Kayvon Pakdamanian, PANPI 1245947308-2 groupsContacts
Priya Patel, PA-CNPI 1508534223-3 groupsContacts
Velma L. Perdue, PANPI 1700937737-3 groupsContacts
Richard Preciado, PA-CNPI 1548263932-2 groupsContacts
Ana D. Rubalcaba, PA-CNPI 1821360702-2 groupsContacts
Ambrose Tumaini Ryan, PA-CNPI 1841915139-1 groupContacts
Arshad Aziz Samad, PA-CNPI 18314245062 hospitals2 groupsContacts
Steven James Sanders, PA-CNPI 13465562631 hospital1 groupContacts
Stephen J. Styadi, PANPI 10930249941 hospital1 groupContacts
Jodi Laine Tarutis, PA-CNPI 1124138169-1 groupContacts
Danica ThiNPI 1346974011-1 groupContacts
Aaron P. Toole, PANPI 17809519471 hospital1 groupContacts
Genalyn Gonzales Turingan, PANPI 12253272571 hospital1 groupContacts
George Jia-Chi Wang, PANPI 14473371182 hospitals7 groupsContacts

The list shows the 29 physician assistants with a public profile. The other 2 are counted in the total and searchable with a free account.

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

For health IT teams

Find Fontana physician assistants by the EHR they use

Dmand AI has the EHR for 22 of 31 Fontana physician assistants, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.

Southern California Permanente Medical Group has the most physician assistants in Fontana, with 19

Vituity is second with 3, and Cucamonga Valley Medical Group third with 3. Counts are physician assistants with a California address linked to each group.

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

Fontana Medical Center has the most affiliated physician assistants in Fontana, with 10

San Antonio Regional Hospital is second with 4, and Providence St. Joseph Hospital Orange third with 1. Fontana physician assistants are affiliated with 8 hospitals in all.

Hospitals with the most physician assistants in Fontana
#HospitalHealth systemPhysician assistants
1Fontana Medical CenterFontanaKaiser Permanente10
2San Antonio Regional HospitalUplandSan Antonio Regional Hospital4
3Providence St. Joseph Hospital OrangeOrangeProvidence1
4Adventist Health ReedleyReedleyAdventist Health1
5Arrowhead Regional Medical CenterColtonSan Bernardino County1
6Providence St. Mary Medical CenterApple ValleyProvidence1
7Emanate Health Inter-Community HospitalCovinaEmanate Health1
8Emanate Health Foothill Presbyterian HospitalGlendoraEmanate Health1

Top 8 of 8 Fontana hospitals with an affiliated physician assistant

See every hospital and group for each Fontana physician assistant

Each public profile names one place a physician assistant practices. A free account shows all of them, with the employer, the EHR and validated contacts.

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Source: Dmand AI Affiliation Data

Group practices and clinics are the most common site of care for Fontana physician assistants, with 20

17 also practice at hospitals. A physician assistant can practice at several kinds of site, so the shares overlap.

Fontana physician assistants by site of care

  1. Medical group practices20
  2. Hospitals17

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

Every Fontana physician assistant profile shows current hospitals and groups, Medicare activity and NPI details

  • Primary practiceThe main place they practice, with its type and cityOn every profile
  • Every site of careEach hospital, clinic and group where they practice nowWith a free account
  • EmployerThe organization they work for, when one is on fileWith a free account
  • Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
  • Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
  • Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
  • Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
  • Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
  • NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
  • Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
  • EHR in useThe EHR at each site where they practiceWith a free account
  • Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account

Free account: 30 days free, self-serve, no credit card.

Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data

Sources for the Fontana physician assistant directory

Sources for the data on this page
Data on this pageSource
HCPs, types and specialtiesNPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groupsDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

Physician assistants are HCPs whose primary specialty is medical physician assistant (taxonomy code 363AM0700X), with an active NPI and a Fontana practice address.

FAQ

Frequently asked questions about physician assistants in Fontana

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

How many physician assistants are in Fontana?

31 physician assistants have an active NPI, a Fontana practice address and medical physician assistant (taxonomy code 363AM0700X) as their primary specialty. 29 of them are linked to a hospital or medical group.

Which Fontana medical groups have the most physician assistants?

Southern California Permanente Medical Group, with 19, followed by Vituity with 3 and Cucamonga Valley Medical Group with 3.

Which Fontana hospitals have the most physician assistants?

Fontana Medical Center, with 10 affiliated physician assistants, followed by San Antonio Regional Hospital with 4 and Providence St. Joseph Hospital Orange with 1.

What share of Fontana physician assistants practice at a hospital?

17 of the 28 Fontana physician assistants with a mapped site of care, or 61%, have a current hospital affiliation.

What is the taxonomy code for medical physician assistant?

363AM0700X is the NPPES taxonomy code for medical physician assistant. Sub-specialties with their own code are counted on their own lists.

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Search 31 Fontana physician assistants by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.

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