Updated October 2026

Emergency medicine physicians in Chandler, AZ

Emergency medicine
Chandler, Arizona

Emergency medicine physicians: 48
Linked to a hospital or group: 46
Hospitals with an emergency medicine physician: 20
Medical groups with an emergency medicine physician: 25
Practice at a hospital: 45

There are 48 emergency medicine physicians in Chandler. Premier Emergency Medical Specialists has the most, 31, and Dignity Health Chandler Regional Medical Center has the most affiliated emergency medicine physicians, 33. 26% finished medical school 30 or more years ago.

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Chandler emergency medicine physicians, listed A to Z by last name

Each emergency medicine physician on the list has emergency medicine as their primary specialty and a Chandler 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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Chandler emergency medicine physicians, A to Z
Emergency medicine physician	Hospitals	Medical groups	Email and phone
Ryan Patrick Adkins, DONPI 1417483538	3 hospitals	4 groups	Contacts
Disha Chandrakant AnkolaNPI 1750879433	2 hospitals	1 group	Contacts
Aubrey A. Bethel, MDNPI 1598112906	2 hospitals	5 groups	Contacts
Francine H. Brooks, MDNPI 1518912260	1 hospital	3 groups	Contacts
David Paul Brown, MDNPI 1942278676	2 hospitals	10 groups	Contacts
Gilbert Cordero, MDNPI 1518948892	1 hospital	5 groups	Contacts
Casey Lane Crandell, MDNPI 1669600078	4 hospitals	6 groups	Contacts
Heidi Ream Crismon, MDNPI 1275732125	1 hospital	2 groups	Contacts
Amina DanishyarNPI 1861854085	2 hospitals	4 groups	Contacts
Jack F. David, DONPI 1164450961	1 hospital	5 groups	Contacts
Sara Paradise Dimeo, MDNPI 1891108429	2 hospitals	3 groups	Contacts
Rebecca J. Dowler, DONPI 1093026171	2 hospitals	1 group	Contacts
Justin R. Eales, MDNPI 1710366851	2 hospitals	2 groups	Contacts
Sarah Faithe Ehlers Valandingham, DONPI 1770023020	3 hospitals	3 groups	Contacts
Nicolas A. Enriquez, MDNPI 1255786455	5 hospitals	6 groups	Contacts
Charles A. Everly, MDNPI 1528148335	2 hospitals	2 groups	Contacts
Joseph W. Heidenreich, MDNPI 1457313728	1 hospital	1 group	Contacts
Sandra Lynn Indermuhle, MDNPI 1356545651	1 hospital	1 group	Contacts
Breanne M. Jaqua, DONPI 1821520313	-	2 groups	Contacts
Melissa Kelsey, DONPI 1194139022	2 hospitals	2 groups	Contacts
Kerry L. Kikuchi, MDNPI 1295711208	1 hospital	1 group	Contacts
Robert F. Laney, MDNPI 1447233168	1 hospital	1 group	Contacts
Evan C. Leibner, MDNPI 1699712299	1 hospital	3 groups	Contacts
Kristi Lizyness, DONPI 1225695430	3 hospitals	2 groups	Contacts
Marie Allyson Manning, MDNPI 1023579281	3 hospitals	6 groups	Contacts
Gregory J. Massoud, DONPI 1790715522	4 hospitals	4 groups	Contacts
Erik G. Mattison, MDNPI 1639116668	1 hospital	2 groups	Contacts
Marianna G. Morfonios, MDNPI 1376522466	4 hospitals	5 groups	Contacts
Tomas Navarro III, MDNPI 1801200720	2 hospitals	1 group	Contacts
Jimmy Nguyen, DONPI 1851701742	2 hospitals	5 groups	Contacts
Shelmar R. O'Connell, MDNPI 1467553651	1 hospital	2 groups	Contacts
Benjamin A. Oglivie, MDNPI 1740667906	2 hospitals	5 groups	Contacts
Gregory George Olmsted, MDNPI 1245597210	1 hospital	4 groups	Contacts
Brian D. Paterick, MDNPI 1780621375	1 hospital	2 groups	Contacts
Justin Joseph Pattee, DONPI 1063708022	3 hospitals	2 groups	Contacts
Lawrence A. Pollack, MDNPI 1467424986	1 hospital	1 group	Contacts
Jacob Powell, DONPI 1073897393	2 hospitals	1 group	Contacts
Whitney E. Robertson, MDNPI 1760839286	2 hospitals	1 group	Contacts
Charlene Anna Shaughnessy-Volquardsen, MDNPI 1952564569	1 hospital	2 groups	Contacts
Ronald J. Sierzenski, MDNPI 1861428633	2 hospitals	2 groups	Contacts
Roger A. Smith, MDNPI 1083695563	2 hospitals	3 groups	Contacts
Kathleen A. UlrichNPI 1740715556	2 hospitals	1 group	Contacts
Susan Sibbald Watson, DONPI 1629176433	2 hospitals	7 groups	Contacts
Andrea L. Wolff, MDNPI 1659430981	1 hospital	3 groups	Contacts
Joshua Zeidler, DONPI 1396712717	2 hospitals	2 groups	Contacts
Marc Roy ZoskyNPI 1851734982	4 hospitals	7 groups	Contacts

The list shows the 46 emergency medicine physicians 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

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Find Chandler emergency medicine physicians by the EHR they use

Dmand AI has the EHR for 41 of 48 Chandler emergency medicine physicians, 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.

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Premier Emergency Medical Specialists has the most emergency medicine physicians in Chandler, with 31

TEC Emergency Physicians of Arizona is second with 23, and Banner Baywood Emergency third with 5. Counts are emergency medicine physicians with an Arizona address linked to each group.

Medical groups with the most emergency medicine physicians in Chandler
#	Medical group	Parent organization	Emergency medicine physicians
1	Premier Emergency Medical SpecialistsChandler	Parent on file	31
2	TEC Emergency Physicians of ArizonaGilbert	Parent on file	23
3	Banner Baywood EmergencyMesa	-	5
4	Phoenix Indian Medical CenterPhoenix	Parent on file	4
5	Valley HyperbaricsChandler	Parent on file	4
6	US Acute Care Solutions (USACS)Mesa	Parent on file	4
7	Emergency Professional ServicesPhoenix	Parent on file	3
8	Northwest Medical CenterTucson	Parent on file	3
9	St. Joseph's Faculty PhysiciansPhoenix	Parent on file	2
10	Arizona Acute Medical ServicesPhoenix	-	2

Top 10 of 25 Chandler medical groups with an emergency medicine physician

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

Dignity Health Chandler Regional Medical Center has the most affiliated emergency medicine physicians in Chandler, with 33

Dignity Health Mercy Gilbert Medical Center is second with 22, and Dignity Health - Arizona General Hospital Mesa third with 12. Chandler emergency medicine physicians are affiliated with 20 hospitals in all.

Hospitals with the most emergency medicine physicians in Chandler
#	Hospital	Health system	Emergency medicine physicians
1	Dignity Health Chandler Regional Medical CenterChandler	CommonSpirit Health	33
2	Dignity Health Mercy Gilbert Medical CenterGilbert	CommonSpirit Health	22
3	Dignity Health - Arizona General Hospital MesaMesa	CommonSpirit Health	12
4	Phoenix Indian Medical CenterPhoenix	U.S. Department of Health and Human Services	4
5	HonorHealth Four Peaks Medical CenterMesa	HonorHealth	2
6	Banner - University Medical Center PhoenixPhoenix	Banner Health	1
7	Verde Valley Medical CenterCottonwood	Northern Arizona Healthcare	1
8	Banner Casa Grande Medical CenterCasa Grande	Banner Health	1
9	Valleywise Health Medical CenterPhoenix	Valleywise Health	1
10	Banner Desert Medical CenterMesa	Banner Health	1

Top 10 of 20 Chandler hospitals with an affiliated emergency medicine physicianAll 4 Chandler hospitals

See every hospital and group for each Chandler emergency medicine physician

Each public profile names one place an emergency medicine physician 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

Most Chandler emergency medicine physicians practice at a hospital: 45 of the 46 with a mapped site

20 also practice at a medical group site. An emergency medicine physician can practice at several kinds of site, so the shares overlap.

Chandler emergency medicine physicians by site of care

Hospitals4598%
Medical group practices2043%

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

26% of Chandler emergency medicine physicians finished medical school 30 or more years ago

11 of the 43 Chandler emergency medicine physicians with a graduation year on file. 6 graduated in the last 10 years.

Physicians by years since medical school

Under 10 years ago614%
10 to 19 years ago1740%
20 to 29 years ago921%
30 to 39 years ago819%
40 or more years ago37%

Source: Dmand AI Professional Profile Data

Every Chandler emergency medicine physician 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 Chandler emergency medicine physician directory

Sources for the data on this page
Data on this page	Source
HCPs, types and specialties	NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groups	Dmand AI Affiliation Data
Medical school graduation year	Dmand AI Professional Profile Data

Data last refreshed October 2026Report an inaccuracy Remove my information

Emergency medicine physicians are HCPs whose primary specialty is emergency medicine (taxonomy code 207P00000X), with an active NPI and a Chandler practice address.

FAQ

Frequently asked questions about emergency medicine physicians in Chandler

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

How many emergency medicine physicians are in Chandler?

48 emergency medicine physicians have an active NPI, a Chandler practice address and emergency medicine (taxonomy code 207P00000X) as their primary specialty. 46 of them are linked to a hospital or medical group.

Which Chandler medical groups have the most emergency medicine physicians?

Premier Emergency Medical Specialists, with 31, followed by TEC Emergency Physicians of Arizona with 23 and Banner Baywood Emergency with 5.

Which Chandler hospitals have the most emergency medicine physicians?

Dignity Health Chandler Regional Medical Center, with 33 affiliated emergency medicine physicians, followed by Dignity Health Mercy Gilbert Medical Center with 22 and Dignity Health - Arizona General Hospital Mesa with 12.

What share of Chandler emergency medicine physicians practice at a hospital?

45 of the 46 Chandler emergency medicine physicians with a mapped site of care, or 98%, have a current hospital affiliation.

What is the taxonomy code for emergency medicine?

207P00000X is the NPPES taxonomy code for emergency medicine. Sub-specialties with their own code are counted on their own lists.

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