Updated October 2026

Internists in West Hills, CA

Internal medicine
West Hills, California

Internists: 71
Linked to a hospital or group: 65
Hospitals with an internist: 31
Medical groups with an internist: 43
Practice at a hospital: 42

There are 71 internists in West Hills. UCLA Medical Group has the most, 9, and UCLA West Valley Medical Center has the most affiliated internists, 25. 43% finished medical school 30 or more years ago.

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West Hills internists, listed A to Z by last name

Each internist on the list has internal medicine as their primary specialty and a West Hills 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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West Hills internists, A to Z
Internist	Hospitals	Medical groups	Email and phone
Michio Abe, MDNPI 1285669671	-	2 groups	Contacts
Christine Victoria Lola Adekayode, DONPI 1124696331	5 hospitals	6 groups	Contacts
Atique Ahmad, MDNPI 1457546590	1 hospital	5 groups	Contacts
Mohammad Samir Alghussein, MDNPI 1255780185	3 hospitals	2 groups	Contacts
Roofan Alsayegh, MDNPI 1477841641	6 hospitals	6 groups	Contacts
Raymond Paul Bailey, MDNPI 1346347408	1 hospital	-	Contacts
Marita Ybuan Banzuela, MDNPI 1114117041	-	-	Contacts
Vindeep BhandariNPI 1164832069	2 hospitals	2 groups	Contacts
Darin Karl Buschmann, MDNPI 1558381004	-	1 group	Contacts
Hector Gomez Cardenas, MDNPI 1649383647	-	1 group	Contacts
Luciano M. Castaneda, MDNPI 1508202078	4 hospitals	2 groups	Contacts
Scott Caveny, MD, PhDNPI 1841501335	-	3 groups	Contacts
Ja-Yoon Uni Choe, MDNPI 1174150973	1 hospital	1 group	Contacts
Anya D. Consiglio, MDNPI 1659458404	-	7 groups	Contacts
Virgencita M. Cortes, MDNPI 1780788497	-	1 group	Contacts
Paul E. Diehl, MDNPI 1336215607	2 hospitals	-	Contacts
Dennis Christian Drinkwater Jr., MDNPI 1215223698	-	5 groups	Contacts
Jeena Viji Eapen, MDNPI 1023018926	2 hospitals	6 groups	Contacts
Arthur L. Gordon, MDNPI 1659431120	1 hospital	1 group	Contacts
Tiffany Starr Hanf, MDNPI 1336358761	1 hospital	7 groups	Contacts
Robert Kevin Hanson, MDNPI 1447213616	1 hospital	1 group	Contacts
David J. Hernandez, MDNPI 1396756912	1 hospital	1 group	Contacts
Caleb Warren Hirsch, MDNPI 1619976800	1 hospital	-	Contacts
Timothy M. Iliff, MDNPI 1770564395	4 hospitals	4 groups	Contacts
Mohammed Imran Iqbal, MDNPI 1578574596	1 hospital	1 group	Contacts
George M. Jackson, MDNPI 1770517666	-	1 group	Contacts
Bruce Allen Jacobson, MDNPI 1558314971	2 hospitals	-	Contacts
Woojin Joo, MDNPI 1780110338	1 hospital	1 group	Contacts
Vanessa Corry Julsen, MDNPI 1467616177	2 hospitals	6 groups	Contacts
Khadir F. Kakal, MDNPI 1265699185	4 hospitals	1 group	Contacts
Atefeh Kalantary, MDNPI 1558854737	3 hospitals	2 groups	Contacts
Maninder Singh Kaler, MDNPI 1114334398	3 hospitals	2 groups	Contacts
Balram S. Khehra, MDNPI 1942312186	1 hospital	3 groups	Contacts
Sanjay V. Khemka, MDNPI 1528175056	-	7 groups	Contacts
Monica KhuranaNPI 1366936064	-	3 groups	Contacts
Mary Ann Ann Lillig, DONPI 1902899834	3 hospitals	5 groups	Contacts
Edmund Lo, MDNPI 1811180953	-	-	Contacts
Narsis K. Moshfeghi, MDNPI 1699812883	1 hospital	-	Contacts
Ben Behrouz Mousavi, MDNPI 1003230079	2 hospitals	4 groups	Contacts
Donald T. Moy, MDNPI 1922429513	-	1 group	Contacts
Soodeh Nili, MDNPI 1942590542	1 hospital	1 group	Contacts
Philippe Noel, MDNPI 1346396801	-	5 groups	Contacts
Gary Howard Nudell, MDNPI 1881617736	1 hospital	-	Contacts
Ronald Hirotsugu Omino, MDNPI 1871912451	4 hospitals	2 groups	Contacts
Hemant D. Patel, MDNPI 1447264239	-	1 group	Contacts
Lorena Rasquin Leon, MDNPI 1972956415	-	2 groups	Contacts
Jose Keyser Reyes, MDNPI 1952454274	-	1 group	Contacts
Joon W. Rhee, MD, MPH, PhDNPI 1881657559	-	-	Contacts
Jasneet Riar, MDNPI 1477969087	-	1 group	Contacts
Wadi R. Rouel, MDNPI 1740254713	-	2 groups	Contacts

Showing 1 to 50 of 66 West Hills internists

The list shows the 66 internists with a public profile. The other 5 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 57 of 71 West Hills 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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UCLA Medical Group has the most internists in West Hills, with 9

Harbor-UCLA Medical Center is second with 3, and Vituity third with 3. Counts are internists with a California address linked to each group.

Medical groups with the most internists in West Hills
#	Medical group	Parent organization	Internists
1	UCLA Medical GroupLos Angeles	Parent on file	9
2	Harbor-UCLA Medical CenterTorrance	Parent on file	3
3	VituityModesto	Parent on file	3
4	Providence Medical InstituteTorrance	Parent on file	3
5	Inpatient Consultants of CaliforniaBerkeley	-	3
6	Optum - Downtown Los AngelesLos Angeles	Parent on file	2
7	CHA Hollywood Presbyterian Medical CenterLos Angeles	Parent on file	1
8	LifeLong Medical CareBerkeley	Parent on file	1
9	Hospitalist Group of MontebelloCorona	-	1
10	Golden State Family ClinicLos Angeles	-	1

Top 10 of 43 West Hills medical groups with an internist

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

UCLA West Valley Medical Center has the most affiliated internists in West Hills, with 25

Ronald Reagan UCLA Medical Center is second with 8, and Dignity Health - Northridge Hospital Medical Center third with 7. West Hills internists are affiliated with 31 hospitals in all.

Hospitals with the most internists in West Hills
#	Hospital	Health system	Internists
1	UCLA West Valley Medical CenterWest Hills	University of California Health	25
2	Ronald Reagan UCLA Medical CenterLos Angeles	University of California Health	8
3	Dignity Health - Northridge Hospital Medical CenterNorthridge	CommonSpirit Health	7
4	Olive View-UCLA Medical CenterSylmar	County of Los Angeles	5
5	Adventist Health Simi ValleySimi Valley	Adventist Health	4
6	Los Robles Regional Medical CenterThousand Oaks	HCA Healthcare	4
7	Henry Mayo Newhall HospitalValencia	Henry Mayo Newhall Hospital	2
8	Providence Cedars-Sinai Tarzana Medical CenterTarzana	Providence	2
9	CHA Hollywood Presbyterian Medical CenterLos Angeles	CHA Health Systems	1
10	Dignity Health - St. John's Regional Medical CenterOxnard	CommonSpirit Health	1

Top 10 of 31 West Hills hospitals with an affiliated internist

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Source: Dmand AI Affiliation Data

Most West Hills internists practice at a hospital: 42 of the 63 with a mapped site

34 also practice at a medical group site, and 22 at physician offices. An internist can practice at several kinds of site, so the shares overlap.

West Hills internists by site of care

Hospitals4267%
Medical group practices3454%
Physician offices2235%
Home health agencies2133%
Skilled nursing facilities1422%

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

43% of West Hills internists finished medical school 30 or more years ago

26 of the 61 West Hills internists with a graduation year on file. 7 graduated in the last 10 years, fewer than graduated 40 or more years ago.

Physicians by years since medical school

Under 10 years ago711%
10 to 19 years ago1525%
20 to 29 years ago1321%
30 to 39 years ago1016%
40 or more years ago1626%

Source: Dmand AI Professional Profile Data

Every West Hills 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

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 West Hills 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 West Hills practice address.

FAQ

Frequently asked questions about internists in West Hills

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 West Hills?

71 internists have an active NPI, a West Hills practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 65 of them are linked to a hospital or medical group.

Which West Hills medical groups have the most internists?

UCLA Medical Group, with 9, followed by Harbor-UCLA Medical Center with 3 and Vituity with 3.

Which West Hills hospitals have the most internists?

UCLA West Valley Medical Center, with 25 affiliated internists, followed by Ronald Reagan UCLA Medical Center with 8 and Dignity Health - Northridge Hospital Medical Center with 7.

What share of West Hills internists practice at a hospital?

42 of the 63 West Hills internists with a mapped site of care, or 67%, 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.

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