Updated October 2026

Emergency medicine physicians in Riverside, CA

Emergency medicine
Riverside, California

Emergency medicine physicians: 105
Linked to a hospital or group: 93
Hospitals with an emergency medicine physician: 36
Medical groups with an emergency medicine physician: 44
Practice at a hospital: 90

There are 105 emergency medicine physicians in Riverside. Southern California Permanente Medical Group has the most, 43, and Riverside Medical Center has the most affiliated emergency medicine physicians, 41. 17% finished medical school 30 or more years ago.

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Riverside 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 Riverside 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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Riverside emergency medicine physicians, A to Z
Emergency medicine physician	Hospitals	Medical groups	Email and phone
Ashley Advincula, MDNPI 1427636497	2 hospitals	2 groups	Contacts
Jason K. An, MDNPI 1851533905	1 hospital	4 groups	Contacts
Caroline Baber, DONPI 1568068781	2 hospitals	1 group	Contacts
Joshua D. Batt, DONPI 1922368505	1 hospital	4 groups	Contacts
Barbara J. Blasko, MDNPI 1689741597	1 hospital	5 groups	Contacts
Ryan L. Brenchley, MDNPI 1154437390	1 hospital	2 groups	Contacts
Stephen Carney, MDNPI 1457394918	3 hospitals	6 groups	Contacts
Sirivalli ChamartiNPI 1578096988	2 hospitals	2 groups	Contacts
Kathy Lin Chuang, MDNPI 1801024450	1 hospital	1 group	Contacts
Chad Leroy Clark, MDNPI 1023052545	1 hospital	3 groups	Contacts
Richard Arthur Clinton, MDNPI 1912117813	1 hospital	1 group	Contacts
Michael Christopher Cordeiro, MDNPI 1902048473	1 hospital	1 group	Contacts
Chelsea Lynn Cosand, MDNPI 1619237559	3 hospitals	5 groups	Contacts
John Christian Canet Costumbrado, MDNPI 1033640073	1 hospital	2 groups	Contacts
Eartha D. Davis, MDNPI 1922175876	2 hospitals	1 group	Contacts
Jeffrey Walter Dela Cruz, MDNPI 1043571847	3 hospitals	8 groups	Contacts
Nhan Hong Do, MDNPI 1730548231	2 hospitals	2 groups	Contacts
Ali Mohammad Ebrahim, MDNPI 1700820677	2 hospitals	3 groups	Contacts
Joseph E. Fargusson, MDNPI 1326467432	1 hospital	3 groups	Contacts
Stephen J. Ferrall, MDNPI 1487721296	2 hospitals	1 group	Contacts
William K. Fleming IIINPI 1053522433	2 hospitals	2 groups	Contacts
Cosmin C. FlorescuNPI 1639601842	2 hospitals	2 groups	Contacts
Sophia FornbacherNPI 1053948604	2 hospitals	3 groups	Contacts
Lucas Friedman, MDNPI 1558672220	1 hospital	3 groups	Contacts
Eric Kent Frykman, MDNPI 1205863909	-	1 group	Contacts
Sassan Ghassemzadeh, MDNPI 1588923684	1 hospital	2 groups	Contacts
Julia Cheree GlavinicNPI 1245867282	1 hospital	5 groups	Contacts
Ronald Patrick GoubertNPI 1548897903	1 hospital	3 groups	Contacts
Sana Hadyah, MDNPI 1295484434	2 hospitals	4 groups	Contacts
Bruce S. HeischoberNPI 1568669893	2 hospitals	1 group	Contacts
Maxwell Robert Milton Hill, MDNPI 1811699630	2 hospitals	1 group	Contacts
Jeffrey HuNPI 1851850986	2 hospitals	3 groups	Contacts
Shant Kalanjian, MDNPI 1942377841	2 hospitals	1 group	Contacts
Michael Kang, MDNPI 1124294517	1 hospital	3 groups	Contacts
Bret Kilker, MDNPI 1447494497	1 hospital	1 group	Contacts
Steven S. Kim, MDNPI 1134234818	1 hospital	2 groups	Contacts
Curtis Knight, MDNPI 1811289101	1 hospital	2 groups	Contacts
Bella KochuveliNPI 1346405842	1 hospital	1 group	Contacts
Diane L. Kuniyoshi, MDNPI 1891866703	1 hospital	1 group	Contacts
Romero David KupaiNPI 1255890570	4 hospitals	5 groups	Contacts
Eugene Lawrence Kwong, MDNPI 1003857020	1 hospital	1 group	Contacts
Eduardo D. Lam, MDNPI 1255410957	2 hospitals	5 groups	Contacts
Thomas A. Leighton, MDNPI 1720155583	2 hospitals	1 group	Contacts
Boris Viadamir Lubavin, MDNPI 1265591853	1 hospital	2 groups	Contacts
Edward Morris Magee, MD, MPHNPI 1851698880	2 hospitals	3 groups	Contacts
John Raymond Marshall, MDNPI 1346596970	2 hospitals	2 groups	Contacts
Reynalda Martel-Cazares, MDNPI 1922442920	1 hospital	1 group	Contacts
Nash David Martinez, MDNPI 1780038505	1 hospital	1 group	Contacts
Benjamin Aaron Mazer, MDNPI 1285097139	1 hospital	-	Contacts
Lawrence D. Mazur, DONPI 1518015585	1 hospital	1 group	Contacts

Showing 1 to 10 of 94 Riverside emergency medicine physicians

The list shows the 94 emergency medicine physicians with a public profile. The other 11 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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Dmand AI has the EHR for 103 of 105 Riverside 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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Southern California Permanente Medical Group has the most emergency medicine physicians in Riverside, with 43

Vituity is second with 37, and CEP America third with 36. Counts are emergency medicine physicians with a California address linked to each group.

Medical groups with the most emergency medicine physicians in Riverside
#	Medical group	Parent organization	Emergency medicine physicians
1	Southern California Permanente Medical GroupPasaden	Parent on file	43
2	VituityModesto	Parent on file	37
3	CEP AmericaEmeryville	Parent on file	36
4	Riverside Emergency Physicians Medical GroupRiverside	Parent on file	13
5	Culver Emergency Medical GroupCulver City	-	7
6	Loma Linda University Faculty Medical Group (LLUFMG)Los Angeles	Parent on file	4
7	Anaheim Emergency Medical GroupAnaheim	-	4
8	Mountain View Emergency Physicians Medical GroupUpland	-	3
9	Riverside Medical ClinicRiverside	Parent on file	2
10	Seven Star Medical GroupHemet	-	2

Top 10 of 44 Riverside medical groups with an emergency medicine physician

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

Riverside Medical Center has the most affiliated emergency medicine physicians in Riverside, with 41

Riverside Community Hospital is second with 38, and Parkview Community Hospital Medical Center third with 13. Riverside emergency medicine physicians are affiliated with 36 hospitals in all.

Hospitals with the most emergency medicine physicians in Riverside
#	Hospital	Health system	Emergency medicine physicians
1	Riverside Medical CenterRiverside	Kaiser Permanente	41
2	Riverside Community HospitalRiverside	HCA Healthcare	38
3	Parkview Community Hospital Medical CenterRiverside	AHMC Healthcare	13
4	Southern California Hospital at HollywoodHollywood	Healthcare Systems of America	3
5	Fontana Medical CenterFontana	Kaiser Permanente	3
6	AHMC Anaheim Regional Medical CenterAnaheim	AHMC Healthcare	3
7	Riverside University Health System - Medical CenterMoreno Valley	Riverside County Council-JVNL	3
8	UCI Health - OrangeOrange	UC Irvine	3
9	Loma Linda University Medical CenterLoma Linda	Seventh-day Adventist Church	2
10	Harbor-UCLA Medical CenterTorrance	County of Los Angeles	2

Top 10 of 36 Riverside hospitals with an affiliated emergency medicine physicianAll 4 Riverside hospitals

See every hospital and group for each Riverside 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 Riverside emergency medicine physicians practice at a hospital: 90 of the 93 with a mapped site

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

Riverside emergency medicine physicians by site of care

Hospitals9097%
Medical group practices1011%

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

17% of Riverside emergency medicine physicians finished medical school 30 or more years ago

13 of the 76 Riverside emergency medicine physicians with a graduation year on file. 17 graduated in the last 10 years.

Physicians by years since medical school

Under 10 years ago1722%
10 to 19 years ago2938%
20 to 29 years ago1722%
30 to 39 years ago68%
40 or more years ago79%

Source: Dmand AI Professional Profile Data

Every Riverside 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 Riverside 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 Riverside practice address.

FAQ

Frequently asked questions about emergency medicine physicians in Riverside

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 Riverside?

105 emergency medicine physicians have an active NPI, a Riverside practice address and emergency medicine (taxonomy code 207P00000X) as their primary specialty. 93 of them are linked to a hospital or medical group.

Which Riverside medical groups have the most emergency medicine physicians?

Southern California Permanente Medical Group, with 43, followed by Vituity with 37 and CEP America with 36.

Which Riverside hospitals have the most emergency medicine physicians?

Riverside Medical Center, with 41 affiliated emergency medicine physicians, followed by Riverside Community Hospital with 38 and Parkview Community Hospital Medical Center with 13.

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

90 of the 93 Riverside emergency medicine physicians with a mapped site of care, or 97%, 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.

How can I contact emergency medicine physicians in Riverside?

Dmand AI finds validated work emails, mobile numbers and practice phone numbers for emergency medicine physicians in Riverside through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.

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