Updated October 2026

Emergency medicine physicians in Pasadena, CA

Emergency medicine
Pasadena, California

Emergency medicine physicians: 41
Linked to a hospital or group: 35
Hospitals with an emergency medicine physician: 13
Medical groups with an emergency medicine physician: 25
Practice at a hospital: 33

There are 41 emergency medicine physicians in Pasadena. HMH Emergency Medical Group has the most, 31, and Huntington Hospital has the most affiliated emergency medicine physicians, 30. 27% finished medical school 30 or more years ago.

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Pasadena 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 Pasadena 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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Pasadena emergency medicine physicians, A to Z
Emergency medicine physician	Hospitals	Medical groups	Email and phone
Roy S. Antelyes, MDNPI 1275648610	1 hospital	2 groups	Contacts
Samuel Robert Beckerman, MD, PhDNPI 1407387475	2 hospitals	3 groups	Contacts
John Bosco, MDNPI 1811457732	3 hospitals	3 groups	Contacts
Charles Walter Bugg, MD, PhDNPI 1144690777	1 hospital	3 groups	Contacts
Michelle Park ChoiNPI 1992267504	3 hospitals	2 groups	Contacts
William M. Coburn III, DONPI 1770698920	2 hospitals	3 groups	Contacts
Peter Wesley Corrigan, MDNPI 1841305000	2 hospitals	3 groups	Contacts
Kulmeet Singh Dang, DONPI 1639382708	2 hospitals	6 groups	Contacts
Maureen Nuccio Dunn, MDNPI 1114243359	2 hospitals	3 groups	Contacts
Jorge Flores, MDNPI 1073868006	4 hospitals	2 groups	Contacts
Jocelyn Freeman Freeman, MDNPI 1194716498	1 hospital	1 group	Contacts
Bradley K. Gerberich, MDNPI 1790728277	2 hospitals	3 groups	Contacts
Robert Thomas Goldweber, MDNPI 1851406029	2 hospitals	3 groups	Contacts
May Mei Graham, MDNPI 1558597054	1 hospital	3 groups	Contacts
Brittany Leah GrzybowskiNPI 1598127128	3 hospitals	3 groups	Contacts
Katherine R. Harter, MDNPI 1861894917	2 hospitals	3 groups	Contacts
Tarina Lee Kang, MDNPI 1689710220	2 hospitals	1 group	Contacts
Jennifer G. Lee, MDNPI 1760864664	4 hospitals	4 groups	Contacts
Brandon Ling Lew, DONPI 1851405203	2 hospitals	3 groups	Contacts
Brandon Libby, MDNPI 1699099242	2 hospitals	6 groups	Contacts
Christopher Libby, MDNPI 1710411459	3 hospitals	3 groups	Contacts
Marlowe Ann Majoewsky, MDNPI 1396050498	2 hospitals	4 groups	Contacts
Igor Mashchenko, MDNPI 1699270884	3 hospitals	5 groups	Contacts
Asbasia Aboelkhair Mikhail, MDNPI 1114031515	1 hospital	3 groups	Contacts
Amy Li-Yen Peng, MDNPI 1578546479	2 hospitals	4 groups	Contacts
Clairose Badar Retino, MDNPI 1497172522	3 hospitals	5 groups	Contacts
Jackson Runte, MDNPI 1609453430	3 hospitals	6 groups	Contacts
Jay B. Slutsky, DONPI 1871857136	3 hospitals	5 groups	Contacts
Autumn Solis, FNP-BCNPI 1205449832	-	3 groups	Contacts
Anna Trtchounian, MDNPI 1326543513	4 hospitals	5 groups	Contacts
Keith Tsang, MDNPI 1831398759	2 hospitals	7 groups	Contacts
Michael Vander MeulenNPI 1972802767	2 hospitals	4 groups	Contacts
Douglas Robert Willard, MDNPI 1366559874	2 hospitals	3 groups	Contacts
Roger Ching-Feng Yang, MDNPI 1295849883	1 hospital	4 groups	Contacts
Robert Alan Yoho, MDNPI 1699792127	-	-	Contacts

The list shows the 35 emergency medicine physicians with a public profile. The other 6 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 38 of 41 Pasadena 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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HMH Emergency Medical Group has the most emergency medicine physicians in Pasadena, with 31

Exer Urgent Care is second with 26, and Facey Medical Group third with 21. Counts are emergency medicine physicians with a California address linked to each group.

Medical groups with the most emergency medicine physicians in Pasadena
#	Medical group	Parent organization	Emergency medicine physicians
1	HMH Emergency Medical GroupPasadena	Parent on file	31
2	Exer Urgent CareCalabasas	Parent on file	26
3	Facey Medical GroupLos Angeles	Parent on file	21
4	Valley Presbyterian Emergency Medical AssociatesVannuys	-	3
5	Golden State Emergency Physicians, Inc.Los Angeles	-	3
6	Centinela Freeman Emergency Medical Associates, Inc.Inglewood	-	2
7	Southern California Permanente Medical GroupPasaden	Parent on file	2
8	VituityModesto	Parent on file	2
9	US Acute Care SolutionsBakersfield	Parent on file	2
10	CHA Hollywood Presbyterian Medical CenterLos Angeles	Parent on file	2

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

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

Huntington Hospital has the most affiliated emergency medicine physicians in Pasadena, with 30

Los Angeles General Medical Center is second with 2, and CHA Hollywood Presbyterian Medical Center third with 1. Pasadena emergency medicine physicians are affiliated with 13 hospitals in all.

Hospitals with the most emergency medicine physicians in Pasadena
#	Hospital	Health system	Emergency medicine physicians
1	Huntington HospitalPasadena	Cedars-Sinai Health System	30
2	Los Angeles General Medical CenterLos Angeles	County of Los Angeles	2
3	CHA Hollywood Presbyterian Medical CenterLos Angeles	CHA Health Systems	1
4	Adventist Health White MemorialLos Angeles	Adventist Health	1
5	USC Verdugo Hills HospitalGlendale	University of Southern California	1
6	Valley Presbyterian HospitalVannuys	Valley Presbyterian Hospital	1
7	Dignity Health - California Hospital Medical CenterLos Angeles	CommonSpirit Health	1
8	Providence Holy Cross Medical CenterMission Hills	Providence	1
9	Dignity Health - Mercy Hospital DowntownBakersfield	CommonSpirit Health	1
10	Alameda Health System - Highland HospitalOakland	Alameda County	1

Top 10 of 13 Pasadena hospitals with an affiliated emergency medicine physician

See every hospital and group for each Pasadena 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 Pasadena emergency medicine physicians practice at a hospital: 33 of the 34 with a mapped site

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

Pasadena emergency medicine physicians by site of care

Hospitals3397%
Medical group practices618%

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

27% of Pasadena emergency medicine physicians finished medical school 30 or more years ago

9 of the 33 Pasadena emergency medicine physicians with a graduation year on file. 8 graduated in the last 10 years.

Physicians by years since medical school

Under 10 years ago824%
10 to 19 years ago1339%
20 to 29 years ago39%
30 to 39 years ago412%
40 or more years ago515%

Source: Dmand AI Professional Profile Data

Every Pasadena 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 Pasadena 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 Pasadena practice address.

FAQ

Frequently asked questions about emergency medicine physicians in Pasadena

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 Pasadena?

41 emergency medicine physicians have an active NPI, a Pasadena practice address and emergency medicine (taxonomy code 207P00000X) as their primary specialty. 35 of them are linked to a hospital or medical group.

Which Pasadena medical groups have the most emergency medicine physicians?

HMH Emergency Medical Group, with 31, followed by Exer Urgent Care with 26 and Facey Medical Group with 21.

Which Pasadena hospitals have the most emergency medicine physicians?

Huntington Hospital, with 30 affiliated emergency medicine physicians, followed by Los Angeles General Medical Center with 2 and CHA Hollywood Presbyterian Medical Center with 1.

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

33 of the 34 Pasadena 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.

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