Updated October 2026

Hospitalists in Castro Valley, CA

Hospitalist
Castro Valley, California

Hospitalists: 27
Linked to a hospital or group: 27
Hospitals with a hospitalist: 10
Medical groups with a hospitalist: 13
Practice at a hospital: 26

There are 27 hospitalists in Castro Valley. Palo Alto Foundation Medical Group has the most, 26, and Sutter Eden Medical Center has the most affiliated hospitalists, 25. 12% finished medical school 30 or more years ago.

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Castro Valley hospitalists, listed A to Z by last name

Each hospitalist on the list has hospitalist as their primary specialty and a Castro Valley 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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Castro Valley hospitalists, A to Z
Hospitalist	Hospitals	Medical groups	Email and phone
Maria Ait Rais, MDNPI 1811239304	1 hospital	2 groups	Contacts
Mirwais Amoni, MDNPI 1053564187	2 hospitals	4 groups	Contacts
Oluwaseyi Segun Balasire, MDNPI 1003235243	3 hospitals	11 groups	Contacts
Mariam H. Beshai, MDNPI 1447839956	2 hospitals	2 groups	Contacts
Hasib Danai, DONPI 1396058418	1 hospital	3 groups	Contacts
Arash Foroutani, MDNPI 1346267309	2 hospitals	2 groups	Contacts
Alina Haq, MDNPI 1669665436	3 hospitals	2 groups	Contacts
Laila Javed, MDNPI 1598191900	1 hospital	2 groups	Contacts
Priyanka Saharan Jayan, MDNPI 1568861383	3 hospitals	2 groups	Contacts
Fatma Shabbirali Khakoo, MDNPI 1326045196	1 hospital	2 groups	Contacts
Travis Sunlum Lee, DONPI 1386098309	2 hospitals	2 groups	Contacts
Rebecca M. Lekim, DONPI 1780079509	1 hospital	2 groups	Contacts
Pei-Fen Lin, MDNPI 1740429885	2 hospitals	2 groups	Contacts
Daisy Daixin Maron, MDNPI 1275565954	4 hospitals	2 groups	Contacts
Indu J. Michael, MDNPI 1306228671	1 hospital	2 groups	Contacts
Taffere Negat Mihretu, MDNPI 1952588527	1 hospital	4 groups	Contacts
Summaiya Muhammad, MDNPI 1841454535	2 hospitals	2 groups	Contacts
Ayesha M. MurtuzaNPI 1902283815	1 hospital	2 groups	Contacts
Soleiman Osman, DONPI 1972008043	1 hospital	2 groups	Contacts
Tianli Pan, MDNPI 1578783791	3 hospitals	4 groups	Contacts
Sindhu Radhakrishnan, MDNPI 1497833073	2 hospitals	2 groups	Contacts
Sandy Ramirez, MDNPI 1902185218	2 hospitals	5 groups	Contacts
Sara Razaqi, MDNPI 1790363604	2 hospitals	2 groups	Contacts
Sabine Muriel Steegers, MDNPI 1164491080	-	1 group	Contacts
John Phu TranNPI 1104288182	2 hospitals	2 groups	Contacts
Ezekiel Volkert, MDNPI 1740505023	2 hospitals	2 groups	Contacts
Alice ZhangNPI 1316326572	4 hospitals	2 groups	Contacts

Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data

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Dmand AI has the EHR for 27 of 27 Castro Valley hospitalists, 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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Palo Alto Foundation Medical Group has the most hospitalists in Castro Valley, with 26

Alameda Health System is second with 2, and Hospitalists of Modesto Medical Group third with 1. Counts are hospitalists with a California address linked to each group.

Medical groups with the most hospitalists in Castro Valley
#	Medical group	Parent organization	Hospitalists
1	Palo Alto Foundation Medical GroupPalo Alto	Parent on file	26
2	Alameda Health SystemOakland	Parent on file	2
3	Hospitalists of Modesto Medical GroupModesto	Parent on file	1
4	John Muir HealthWalnut Creek	Parent on file	1
5	VituityModesto	Parent on file	1
6	SkilledMD, Inc.Berkeley	-	1
7	Quantum Healthcare Medical Associates IncColton	-	1
8	Alameda Inpatient Medical, Inc.Alameda	Parent on file	1
9	Merced Hospitalist Medical GroupMerced	-	1
10	John Muir Medical GroupWalnut Creek	Parent on file	1

Top 10 of 13 Castro Valley medical groups with a hospitalist

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

Sutter Eden Medical Center has the most affiliated hospitalists in Castro Valley, with 25

Alta Bates Summit Medical Center is second with 11, and Alta Bates Summit Medical Center | Alta Bates Campus third with 4. Castro Valley hospitalists are affiliated with 10 hospitals in all.

Hospitals with the most hospitalists in Castro Valley
#	Hospital	Health system	Hospitalists
1	Sutter Eden Medical CenterCastro Valley	Sutter Health	25
2	Alta Bates Summit Medical CenterOakland	Sutter Health	11
3	Alta Bates Summit Medical Center \| Alta Bates CampusBerkeley	Sutter Health	4
4	Stanford Health Care Tri-ValleyPleasanton	Stanford University	3
5	Alameda HospitalAlameda	Alameda County	2
6	California Pacific Medical Center Van Ness CampusSan Francisco	Sutter Health	1
7	Alameda Health System - Highland HospitalOakland	Alameda County	1
8	Dignity Health - Mercy Medical CenterMerced	CommonSpirit Health	1
9	Cedars-Sinai Medical CenterLos Angeles	Cedars-Sinai Health System	1
10	Department of State Hospitals - NapaNapa	State of California	1

Top 10 of 10 Castro Valley hospitals with an affiliated hospitalist

See every hospital and group for each Castro Valley hospitalist

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Source: Dmand AI Affiliation Data

Most Castro Valley hospitalists practice at a hospital: 26 of the 26 with a mapped site

5 also practice at a medical group site. A hospitalist can practice at several kinds of site, so the shares overlap.

Castro Valley hospitalists by site of care

Hospitals26100%
Medical group practices519%

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

12% of Castro Valley hospitalists finished medical school 30 or more years ago

3 of the 26 Castro Valley hospitalists with a graduation year on file. 3 graduated in the last 10 years.

Physicians by years since medical school

Under 10 years ago312%
10 to 19 years ago1246%
20 to 29 years ago831%
30 to 39 years ago28%
40 or more years ago14%

Source: Dmand AI Professional Profile Data

Every Castro Valley hospitalist 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 Castro Valley hospitalist 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

Hospitalists are HCPs whose primary specialty is hospitalist (taxonomy code 208M00000X), with an active NPI and a Castro Valley practice address.

FAQ

Frequently asked questions about hospitalists in Castro Valley

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

How many hospitalists are in Castro Valley?

27 hospitalists have an active NPI, a Castro Valley practice address and hospitalist (taxonomy code 208M00000X) as their primary specialty. 27 of them are linked to a hospital or medical group.

Which Castro Valley medical groups have the most hospitalists?

Palo Alto Foundation Medical Group, with 26, followed by Alameda Health System with 2 and Hospitalists of Modesto Medical Group with 1.

Which Castro Valley hospitals have the most hospitalists?

Sutter Eden Medical Center, with 25 affiliated hospitalists, followed by Alta Bates Summit Medical Center with 11 and Alta Bates Summit Medical Center | Alta Bates Campus with 4.

What share of Castro Valley hospitalists practice at a hospital?

26 of the 26 Castro Valley hospitalists with a mapped site of care, or 100%, have a current hospital affiliation.

What is the taxonomy code for hospitalist?

208M00000X is the NPPES taxonomy code for hospitalist. Sub-specialties with their own code are counted on their own lists.

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