Internists in Lake Forest, IL
- Internists
- 35
- Linked to a hospital or group
- 30
- Hospitals with an internist
- 10
- Medical groups with an internist
- 6
- Practice at a hospital
- 24
There are 35 internists in Lake Forest. Northwestern Medical Faculty Foundation has the most, 13, and Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital has the most affiliated internists, 22. 52% finished medical school 30 or more years ago.
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Lake Forest internists, listed A to Z by last name
Each internist on the list has internal medicine as their primary specialty and a Lake Forest 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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The list shows the 32 internists with a public profile. The other 3 are counted in the total and searchable with a free account.
Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data
For health IT teams
Dmand AI has the EHR for 34 of 35 Lake Forest 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.
Northwestern Medical Faculty Foundation has the most internists in Lake Forest, with 13
Endeavor Health Medical Group is second with 7, and Forward Focus Concierge Medicine third with 5. Counts are internists with an Illinois address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital has the most affiliated internists in Lake Forest, with 22
Evanston Hospital is second with 17, and Northwestern Memorial Hospital third with 12. Lake Forest internists are affiliated with 10 hospitals in all.
See every hospital and group for each Lake Forest internist
Each public profile names one place an internist practices. A free account shows all of them, with the employer, the EHR and validated contacts.
Source: Dmand AI Affiliation Data
Most Lake Forest internists practice at a hospital: 24 of the 30 with a mapped site
21 also practice at a medical group site, and 8 at home health agencies. An internist can practice at several kinds of site, so the shares overlap.
Lake Forest internists by site of care
- Hospitals24
- Medical group practices21
- Home health agencies8
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
52% of Lake Forest internists finished medical school 30 or more years ago
14 of the 27 Lake Forest internists with a graduation year on file. 5 graduated in the last 10 years, fewer than graduated 40 or more years ago.
Physicians by years since medical school
- Under 10 years ago5
- 10 to 19 years ago4
- 20 to 29 years ago4
- 30 to 39 years ago7
- 40 or more years ago7
Source: Dmand AI Professional Profile Data
Every Lake Forest 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 Lake Forest internist directory
| 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 inaccuracyRemove my information
Internists are HCPs whose primary specialty is internal medicine (taxonomy code 207R00000X), with an active NPI and a Lake Forest practice address.
FAQ
Frequently asked questions about internists in Lake Forest
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 Lake Forest?
35 internists have an active NPI, a Lake Forest practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 30 of them are linked to a hospital or medical group.
Which Lake Forest medical groups have the most internists?
Northwestern Medical Faculty Foundation, with 13, followed by Endeavor Health Medical Group with 7 and Forward Focus Concierge Medicine with 5.
Which Lake Forest hospitals have the most internists?
Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital, with 22 affiliated internists, followed by Evanston Hospital with 17 and Northwestern Memorial Hospital with 12.
What share of Lake Forest internists practice at a hospital?
24 of the 30 Lake Forest internists with a mapped site of care, or 80%, 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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