Updated October 2026

Internists in Pasadena, CA

Internal medicine
Pasadena, California

Internists: 135
Linked to a hospital or group: 119
Hospitals with an internist: 21
Medical groups with an internist: 51
Practice at a hospital: 88

There are 135 internists in Pasadena. Huntington Health Physicians has the most, 32, and Huntington Hospital has the most affiliated internists, 65. 36% finished medical school 30 or more years ago.

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Pasadena internists, listed A to Z by last name

Each internist on the list has internal 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 internists, A to Z
Internist	Hospitals	Medical groups	Email and phone
Alipasha Adrangui, MDNPI 1780911263	2 hospitals	4 groups	Contacts
Taleen Akopian, DONPI 1912318528	2 hospitals	3 groups	Contacts
Wufaa Alrashid, MDNPI 1053516963	3 hospitals	1 group	Contacts
Elisa C. Alvarado, MDNPI 1891979746	1 hospital	-	Contacts
Vaibhav Madhukar Anvekar, MDNPI 1366548307	3 hospitals	2 groups	Contacts
Maritess T. Aranas, DONPI 1326145079	2 hospitals	1 group	Contacts
Rafael Avakyan, MDNPI 1629024393	-	1 group	Contacts
Saline AyvazyanNPI 1689145807	-	1 group	Contacts
Daryl P. Banta, MDNPI 1932299450	1 hospital	1 group	Contacts
Dolores Barba, MDNPI 1992700603	-	1 group	Contacts
Donald Whitney Barber Jr., MDNPI 1295797439	-	1 group	Contacts
John James Michael BlackNPI 1710340203	2 hospitals	2 groups	Contacts
Barry Blum, MDNPI 1639141716	1 hospital	1 group	Contacts
Farzauq Burki, MDNPI 1609154749	3 hospitals	2 groups	Contacts
Robert Nelson Cann, MDNPI 1205939659	1 hospital	-	Contacts
Vincent Chao ChangNPI 1255836334	3 hospitals	1 group	Contacts
Madhu Chatwani, MDNPI 1215993894	-	1 group	Contacts
Kenneth ChenNPI 1265689442	-	-	Contacts
Steve Ching-Tsung Chen, MDNPI 1457385759	1 hospital	-	Contacts
Mu-Chien W. Chiang, DONPI 1831322148	2 hospitals	1 group	Contacts
Damon J. Choi, MDNPI 1033405493	4 hospitals	5 groups	Contacts
Ming Ta Chong, MDNPI 1356395073	-	1 group	Contacts
Christopher Dagher, MDNPI 1316367949	2 hospitals	2 groups	Contacts
David Thanh Dang, MDNPI 1316359581	2 hospitals	3 groups	Contacts
Edvard Davtyan, MDNPI 1609516343	1 hospital	2 groups	Contacts
John K F Debeixedon, MDNPI 1679643126	1 hospital	-	Contacts
Joseph L. Dellinger, MDNPI 1740691377	2 hospitals	3 groups	Contacts
Garen Derhartunian, MDNPI 1609133776	5 hospitals	4 groups	Contacts
Luis Dimen, MDNPI 1609843564	-	2 groups	Contacts
Aivi Tang Doan, MD, MPHNPI 1316301658	2 hospitals	2 groups	Contacts
Edwin Allan Dovigi, MDNPI 1588228167	-	1 group	Contacts
Leslie A. Dudley, MDNPI 1255303905	2 hospitals	1 group	Contacts
Daron Haig Dulgarian, MD, MSNPI 1528797396	3 hospitals	1 group	Contacts
Sonya M. Ehresmann, MDNPI 1750533212	2 hospitals	2 groups	Contacts
Joseph J. Elterman, MDNPI 1457375040	-	1 group	Contacts
Robert Makoto EshbaughNPI 1447703954	2 hospitals	2 groups	Contacts
Andre A. Ettinger, MDNPI 1073608592	2 hospitals	-	Contacts
Chien Fang, MDNPI 1922071398	2 hospitals	1 group	Contacts
Kada Kali Fehlman, MDNPI 1972205649	1 hospital	-	Contacts
Dolores M. Figueroa, MDNPI 1033287701	-	2 groups	Contacts
Anchel Furman, MDNPI 1104970250	-	-	Contacts
Maral Christine Gazarian, DONPI 1477966885	4 hospitals	2 groups	Contacts
Sheila Grammatico, MD, MPHNPI 1821402926	1 hospital	1 group	Contacts
Bianca Grigorian, MDNPI 1427053693	2 hospitals	1 group	Contacts
Linda Alison Hillier, DONPI 1407029192	2 hospitals	1 group	Contacts
Raffi Hodikian, MDNPI 1760633630	4 hospitals	2 groups	Contacts
Mark Andrew Hoffman, MDNPI 1902860109	-	1 group	Contacts
Calvin Y. Hong, MDNPI 1497822316	-	1 group	Contacts
Ya-Gin Hanna Huang, MDNPI 1265012520	2 hospitals	1 group	Contacts
Dan N. Huynh, MDNPI 1770650699	-	1 group	Contacts

Showing 1 to 10 of 125 Pasadena internists

The list shows the 125 internists with a public profile. The other 10 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 107 of 135 Pasadena internists, 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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Huntington Health Physicians has the most internists in Pasadena, with 32

Optum - Downtown Los Angeles is second with 32, and Cedars-Sinai Medical Group third with 19. Counts are internists with a California address linked to each group.

Medical groups with the most internists in Pasadena
#	Medical group	Parent organization	Internists
1	Huntington Health PhysiciansPasadena	Parent on file	32
2	Optum - Downtown Los AngelesLos Angeles	Parent on file	32
3	Cedars-Sinai Medical GroupLos Angeles	Parent on file	19
4	Southern California Permanente Medical GroupPasaden	Parent on file	8
5	Southern California Hospitalist NetworkOrange	Parent on file	7
6	Elevate Health GroupGlendale	-	5
7	Elevate Health GroupGlendale	-	5
8	Pachorek MD INC, Joseph JPasadena	Parent on file	3
9	Concord Hospitalist GroupGlendale	-	3
10	Inpatient Specialist of California PCSan Bernardino	Parent on file	3

Top 10 of 51 Pasadena medical groups with an internist

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

Huntington Hospital has the most affiliated internists in Pasadena, with 65

USC Verdugo Hills Hospital is second with 18, and Adventist Health Glendale third with 6. Pasadena internists are affiliated with 21 hospitals in all.

Hospitals with the most internists in Pasadena
#	Hospital	Health system	Internists
1	Huntington HospitalPasadena	Cedars-Sinai Health System	65
2	USC Verdugo Hills HospitalGlendale	University of Southern California	18
3	Adventist Health GlendaleGlendale	Adventist Health	6
4	Dignity Health - Glendale Memorial Hospital and Health CenterGlendale	CommonSpirit Health	5
5	USC Arcadia HospitalArcadia	University of Southern California	4
6	Cedars-Sinai Medical CenterLos Angeles	Cedars-Sinai Health System	3
7	Keck Hospital of USCLos Angeles	University of Southern California	3
8	Ronald Reagan UCLA Medical CenterLos Angeles	University of California Health	2
9	UCI Health - OrangeOrange	UC Irvine	2
10	Emanate Health Inter-Community HospitalCovina	Emanate Health	2

Top 10 of 21 Pasadena hospitals with an affiliated internist

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Source: Dmand AI Affiliation Data

Most Pasadena internists practice at a hospital: 88 of the 116 with a mapped site

65 also practice at a medical group site, and 37 at home health agencies. An internist can practice at several kinds of site, so the shares overlap.

Pasadena internists by site of care

Hospitals8876%
Medical group practices6556%
Home health agencies3732%
Physician offices2925%
Skilled nursing facilities1816%

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

36% of Pasadena internists finished medical school 30 or more years ago

39 of the 108 Pasadena internists with a graduation year on file. 18 graduated in the last 10 years, fewer than graduated 40 or more years ago.

Physicians by years since medical school

Under 10 years ago1817%
10 to 19 years ago2321%
20 to 29 years ago2826%
30 to 39 years ago1514%
40 or more years ago2422%

Source: Dmand AI Professional Profile Data

Every Pasadena internist 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

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

Sources for the Pasadena internist 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

Internists are HCPs whose primary specialty is internal medicine (taxonomy code 207R00000X), with an active NPI and a Pasadena practice address.

FAQ

Frequently asked questions about internists 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 internists are in Pasadena?

135 internists have an active NPI, a Pasadena practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 119 of them are linked to a hospital or medical group.

Which Pasadena medical groups have the most internists?

Huntington Health Physicians, with 32, followed by Optum - Downtown Los Angeles with 32 and Cedars-Sinai Medical Group with 19.

Which Pasadena hospitals have the most internists?

Huntington Hospital, with 65 affiliated internists, followed by USC Verdugo Hills Hospital with 18 and Adventist Health Glendale with 6.

What share of Pasadena internists practice at a hospital?

88 of the 116 Pasadena internists with a mapped site of care, or 76%, have a current hospital affiliation.

What is the taxonomy code for internal medicine?

207R00000X is the NPPES taxonomy code for internal medicine. Sub-specialties with their own code are counted on their own lists.

How can I contact internists in Pasadena?

Dmand AI finds validated work emails, mobile numbers and practice phone numbers for internists in Pasadena 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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