Updated October 2026

Internists in Rochester Hills, MI

Internal medicine
Rochester Hills, Michigan

Internists: 61
Linked to a hospital or group: 54
Hospitals with an internist: 17
Medical groups with an internist: 28
Practice at a hospital: 48

There are 61 internists in Rochester Hills. PRISM Medical Group has the most, 31, and Corewell Health Beaumont Troy Hospital has the most affiliated internists, 45. 55% finished medical school 30 or more years ago.

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Rochester Hills internists, listed A to Z by last name

Each internist on the list has internal medicine as their primary specialty and a Rochester 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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Rochester Hills internists, A to Z
Internist	Hospitals	Medical groups	Email and phone
Tina Elizabeth Abraham, DONPI 1215376108	3 hospitals	-	Contacts
Crystal Thamer Ajja, DONPI 1447814694	3 hospitals	3 groups	Contacts
Mahmoud Alhadidi, MDNPI 1437177227	-	-	Contacts
Thomas Joseph William Bering, MDNPI 1861482846	3 hospitals	1 group	Contacts
Michelle L. Biddinger, MDNPI 1326015033	3 hospitals	1 group	Contacts
Bret C. Bielawski, DONPI 1437149671	-	2 groups	Contacts
Tamara R. Carlin, MDNPI 1508834607	2 hospitals	1 group	Contacts
Manju Girish Chandran, MDNPI 1699267385	3 hospitals	3 groups	Contacts
Erin E. Considine, MDNPI 1932161882	2 hospitals	1 group	Contacts
Ejaz Ali Dawson, MDNPI 1043258122	4 hospitals	3 groups	Contacts
Fadi Demashkieh, MDNPI 1396726808	5 hospitals	6 groups	Contacts
Brittany A. Derra, DONPI 1033473632	3 hospitals	2 groups	Contacts
Michael S. Doyle, MDNPI 1174582779	5 hospitals	1 group	Contacts
Janet K. Dubeck, MDNPI 1033170022	3 hospitals	2 groups	Contacts
Seina Farshadsefat, DONPI 1194160002	4 hospitals	2 groups	Contacts
Neil J. Fraser, MDNPI 1912966649	2 hospitals	1 group	Contacts
Joseph Eric Gamalski, DONPI 1952741670	2 hospitals	3 groups	Contacts
Mara L. Geiger, MDNPI 1003806241	3 hospitals	2 groups	Contacts
Brian T. Gietzen, MDNPI 1639154263	4 hospitals	1 group	Contacts
Katherine Paige Griese, MDNPI 1154989861	3 hospitals	1 group	Contacts
Violeta Grivej, MDNPI 1699845644	1 hospital	1 group	Contacts
Todd M. Hachigian, MDNPI 1053301713	5 hospitals	2 groups	Contacts
Lisa J. Higley, DONPI 1063464618	4 hospitals	2 groups	Contacts
Jonathan Michael Joliat, MDNPI 1780847756	2 hospitals	2 groups	Contacts
Diana Jomaa, MDNPI 1740818061	1 hospital	1 group	Contacts
Steven M. Kalt, MDNPI 1225011554	2 hospitals	2 groups	Contacts
Raad P. Kasmikha, MDNPI 1558330332	3 hospitals	-	Contacts
Madhupreet Kaur, DONPI 1043701832	3 hospitals	2 groups	Contacts
Xandrea L. Kirtley, MDNPI 1326026923	5 hospitals	3 groups	Contacts
Michael S. Lumberg, MDNPI 1700853447	2 hospitals	1 group	Contacts
Ramya Manney, MDNPI 1548603863	2 hospitals	2 groups	Contacts
Michael K. Margolis, MDNPI 1235120551	2 hospitals	3 groups	Contacts
Crystal Rae Marsh-Koca, DONPI 1528472123	3 hospitals	5 groups	Contacts
Andrew Nathanson, DONPI 1508433020	2 hospitals	1 group	Contacts
Kevin J. Nurmi, MDNPI 1942261938	5 hospitals	1 group	Contacts
Arturo Prada, MDNPI 1427030147	3 hospitals	-	Contacts
Sangita Pradhan, MDNPI 1144290446	5 hospitals	2 groups	Contacts
Julie L. Price, MDNPI 1619944352	3 hospitals	1 group	Contacts
Nicole C. Rocco, MDNPI 1629157052	2 hospitals	2 groups	Contacts
Rajinder P. Sharma, MDNPI 1730165085	-	-	Contacts
Kinjel S. Shastri, DONPI 1568810091	5 hospitals	1 group	Contacts
Jami M. Small, MDNPI 1598734931	5 hospitals	1 group	Contacts
Rica Cezario Stamatin, MDNPI 1316937071	2 hospitals	-	Contacts
Elena Michaela Stephan, MDNPI 1609926138	4 hospitals	1 group	Contacts
Namir Yousif Stephan, MDNPI 1053461590	4 hospitals	1 group	Contacts
Abhishek SwamiNPI 1164637849	5 hospitals	2 groups	Contacts
Timothy J. Tinetti, MDNPI 1013976463	2 hospitals	1 group	Contacts
Helen Barcelon Wei, MDNPI 1629076211	2 hospitals	-	Contacts
Richard C. Weiermiller Jr., MDNPI 1689665739	3 hospitals	1 group	Contacts
Michael J. Williams, MDNPI 1821076456	-	3 groups	Contacts

Showing 1 to 50 of 54 Rochester Hills internists

The list shows the 54 internists with a public profile. The other 7 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 53 of 61 Rochester 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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PRISM Medical Group has the most internists in Rochester Hills, with 31

Meadowbrook Internist PC is second with 2, and Michigan Healthcare Professionals, P.C. third with 2. Counts are internists with a Michigan address linked to each group.

Medical groups with the most internists in Rochester Hills
#	Medical group	Parent organization	Internists
1	PRISM Medical GroupRochester Hills	-	31
2	Meadowbrook Internist PCRochester Hills	-	2
3	Michigan Healthcare Professionals, P.C.Farmington Hills	-	2
4	Henry Ford HealthDetroit	Parent on file	2
5	SciometrixRoyal Oak	Parent on file	2
6	Michigan Kidney ConsultantsSterling Heights	-	1
7	Metropolitan NephrologistsWarren	-	1
8	Henry Ford St. John HospitalHarrison Township	Parent on file	1
9	Elizabeth Lake Urgent CareWaterford	Parent on file	1
10	MyHealth Urgent CareRoyal Oak	Parent on file	1

Top 10 of 28 Rochester Hills medical groups with an internist

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

Corewell Health Beaumont Troy Hospital has the most affiliated internists in Rochester Hills, with 45

Corewell Health William Beaumont University Hospital is second with 40, and Corewell Health Beaumont Grosse Pointe Hospital third with 19. Rochester Hills internists are affiliated with 17 hospitals in all.

Hospitals with the most internists in Rochester Hills
#	Hospital	Health system	Internists
1	Corewell Health Beaumont Troy HospitalTroy	Corewell Health	45
2	Corewell Health William Beaumont University HospitalRoyal Oak	Corewell Health	40
3	Corewell Health Beaumont Grosse Pointe HospitalGrosse Pointe	Corewell Health	19
4	Corewell Health Farmington Hills HospitalFarmington Hills	Corewell Health	12
5	Henry Ford Rochester HospitalRochester	Henry Ford Health	12
6	Trinity Health Oakland HospitalPontiac	Trinity Health	4
7	Henry Ford Macomb HospitalClinton Twp	Henry Ford Health	3
8	Corewell Health Dearborn HospitalDearborn	Corewell Health	2
9	Henry Ford HospitalDetroit	Henry Ford Health	2
10	McLaren Lapeer RegionLapeer	McLaren Health Care	2

Top 10 of 17 Rochester Hills hospitals with an affiliated internist

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Source: Dmand AI Affiliation Data

Most Rochester Hills internists practice at a hospital: 48 of the 53 with a mapped site

43 also practice at a medical group site, and 30 at home health agencies. An internist can practice at several kinds of site, so the shares overlap.

Rochester Hills internists by site of care

Hospitals4891%
Medical group practices4381%
Home health agencies3057%
Physician offices815%
Therapy and rehab centers48%

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

55% of Rochester Hills internists finished medical school 30 or more years ago

28 of the 51 Rochester Hills internists with a graduation year on file. 3 graduated in the last 10 years, fewer than graduated 40 or more years ago.

Physicians by years since medical school

Under 10 years ago36%
10 to 19 years ago918%
20 to 29 years ago1122%
30 to 39 years ago1937%
40 or more years ago918%

Source: Dmand AI Professional Profile Data

Every Rochester 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 Rochester 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 Rochester Hills practice address.

FAQ

Frequently asked questions about internists in Rochester 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 Rochester Hills?

61 internists have an active NPI, a Rochester Hills practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 54 of them are linked to a hospital or medical group.

Which Rochester Hills medical groups have the most internists?

PRISM Medical Group, with 31, followed by Meadowbrook Internist PC with 2 and Michigan Healthcare Professionals, P.C. with 2.

Which Rochester Hills hospitals have the most internists?

Corewell Health Beaumont Troy Hospital, with 45 affiliated internists, followed by Corewell Health William Beaumont University Hospital with 40 and Corewell Health Beaumont Grosse Pointe Hospital with 19.

What share of Rochester Hills internists practice at a hospital?

48 of the 53 Rochester Hills internists with a mapped site of care, or 91%, 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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