Internists in Colton, CA
- Internists
- 52
- Linked to a hospital or group
- 40
- Hospitals with an internist
- 14
- Medical groups with an internist
- 30
- Practice at a hospital
- 31
There are 52 internists in Colton. Quantum Healthcare Medical Associates Inc has the most, 28, and Arrowhead Regional Medical Center has the most affiliated internists, 30. 24% finished medical school 30 or more years ago.
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Colton internists, listed A to Z by last name
Each internist on the list has internal medicine as their primary specialty and a Colton 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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Showing 1 to 10 of 43 Colton internists
The list shows the 43 internists with a public profile. The other 9 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 50 of 52 Colton 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.
Quantum Healthcare Medical Associates Inc has the most internists in Colton, with 28
Clinic Services Of California Medical Group Inc is second with 28, and Inpatient Specialist of California PC third with 3. Counts are internists with a California address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Arrowhead Regional Medical Center has the most affiliated internists in Colton, with 30
Redlands Community Hospital is second with 4, and Dignity Health - St. Bernardine Medical Center third with 3. Colton internists are affiliated with 14 hospitals in all.
See every hospital and group for each Colton 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 Colton internists practice at a hospital: 31 of the 38 with a mapped site
11 also practice at a medical group site, and 4 at home health agencies. An internist can practice at several kinds of site, so the shares overlap.
Colton internists by site of care
- Hospitals31
- Medical group practices11
- Home health agencies4
- Physician offices3
- Hospices3
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
24% of Colton internists finished medical school 30 or more years ago
9 of the 37 Colton internists with a graduation year on file. 14 graduated in the last 10 years.
Physicians by years since medical school
- Under 10 years ago14
- 10 to 19 years ago8
- 20 to 29 years ago6
- 30 to 39 years ago4
- 40 or more years ago5
Source: Dmand AI Professional Profile Data
Every Colton 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 Colton 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 Colton practice address.
FAQ
Frequently asked questions about internists in Colton
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 Colton?
52 internists have an active NPI, a Colton practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 40 of them are linked to a hospital or medical group.
Which Colton medical groups have the most internists?
Quantum Healthcare Medical Associates Inc, with 28, followed by Clinic Services Of California Medical Group Inc with 28 and Inpatient Specialist of California PC with 3.
Which Colton hospitals have the most internists?
Arrowhead Regional Medical Center, with 30 affiliated internists, followed by Redlands Community Hospital with 4 and Dignity Health - St. Bernardine Medical Center with 3.
What share of Colton internists practice at a hospital?
31 of the 38 Colton internists with a mapped site of care, or 82%, 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 Colton?
Dmand AI finds validated work emails, mobile numbers and practice phone numbers for internists in Colton 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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