Hematology (internal medicine) physicians in the United States
- Hematology (internal medicine) physicians
- 1,401
- Linked to a hospital or group
- 1,108
- Hospitals with a hematology (internal medicine) physician
- 735
- Medical groups with a hematology (internal medicine) physician
- 494
- States and territories
- 48
There are 1,401 hematology (internal medicine) physicians in the US. New York has the most, 159, and Mayo Clinic Hospital, Saint Marys Campus has the most affiliated hematology (internal medicine) physicians of any hospital, 67. 34% finished medical school 30 or more years ago.
Find work emails and mobile numbers for all 1,401 US hematology (internal medicine) physicians
Validated work emails and mobile numbers for US hematology (internal medicine) physicians, found through healthcare waterfall enrichment, with a free Dmand AI account.
New York has the most hematology (internal medicine) physicians, with 159
There are 1,401 hematology (internal medicine) physicians in the US, according to Dmand AI data. California is second with 158, and Minnesota third with 113.
Hematology (internal medicine) physicians in every other state and territory
- New Jersey41
- Illinois36
- Georgia33
- Washington33
- Maryland32
- Oregon28
- Missouri22
- Connecticut21
- Virginia21
- Tennessee18
- Wisconsin18
- Indiana17
- Iowa14
- Utah12
- Kentucky11
- South Carolina9
- Colorado9
- Arizona8
- Delaware8
- New Hampshire7
- Kansas7
- Mississippi7
- Washington, DC7
- Maine6
- Alabama6
- Vermont6
- New Mexico6
- West Virginia5
- Nebraska5
- Arkansas4
- Rhode Island3
- Oklahoma2
- Hawaii2
- North Dakota2
- Nevada1
- Wyoming1
- Puerto Rico1
- Louisiana1
Source: NPPES NPI Registry (CMS)
For health IT teams
Dmand AI has the EHR for 1,312 of 1,401 US hematology (internal medicine) physicians, 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.
Mayo Clinic has the most hematology (internal medicine) physicians of any US medical group, with 74
City of Hope is second with 55, and Ohio State University Physicians third with 52. Counts are hematology (internal medicine) physicians linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Mayo Clinic Hospital, Saint Marys Campus has the most affiliated hematology (internal medicine) physicians of any US hospital, with 67
The James Cancer Hospital and Solove Research Institute in Columbus is second with 53, and Ohio State University Hospital third with 47. US hematology (internal medicine) physicians are affiliated with 735 hospitals in all.
See every hospital and group for each US hematology (internal medicine) physician
Each public profile names one place a hematology (internal medicine) physician practices. A free account shows all of them, with the employer, the EHR and validated contacts.
Source: Dmand AI Affiliation Data
993 US hematology (internal medicine) physicians practice at a hospital, the most common site of care
466 also practice at a medical group site, and 94 at hospices. A hematology (internal medicine) physician can practice at several kinds of site, so the shares overlap.
US hematology (internal medicine) physicians by site of care
- Hospitals993
- Medical group practices466
- Hospices94
- Clinical labs74
- Breast imaging centers54
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
34% of US hematology (internal medicine) physicians finished medical school 30 or more years ago
356 of the 1,036 US hematology (internal medicine) physicians with a graduation year on file. 70 graduated in the last 10 years, fewer than graduated 40 or more years ago.
Physicians by years since medical school
- Under 10 years ago70
- 10 to 19 years ago372
- 20 to 29 years ago238
- 30 to 39 years ago166
- 40 or more years ago190
Source: Dmand AI Professional Profile Data
Every US hematology (internal medicine) physician 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 US hematology (internal medicine) physician 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
Hematology (internal medicine) physicians are HCPs whose primary specialty is hematology (internal medicine) (taxonomy code 207RH0000X), with an active NPI and a US practice address.
FAQ
Frequently asked questions about hematology (internal medicine) physicians in the US
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many hematology (internal medicine) physicians are in the US?
1,401 hematology (internal medicine) physicians have an active NPI, a US practice address and hematology (internal medicine) (taxonomy code 207RH0000X) as their primary specialty. 1,108 of them are linked to a hospital or medical group.
Which state has the most hematology (internal medicine) physicians?
New York, with 159, followed by California with 158 and Minnesota with 113.
Which medical groups have the most hematology (internal medicine) physicians?
Mayo Clinic, with 74, followed by City of Hope with 55 and Ohio State University Physicians with 52.
Which hospitals have the most hematology (internal medicine) physicians?
Mayo Clinic Hospital, Saint Marys Campus, with 67 affiliated hematology (internal medicine) physicians, followed by The James Cancer Hospital and Solove Research Institute with 53 and Ohio State University Hospital with 47.
How many US hematology (internal medicine) physicians finished medical school 30 or more years ago?
356 of the 1,036 with a graduation year on file, or 34%. 70 graduated in the last 10 years.
What is the taxonomy code for hematology (internal medicine)?
207RH0000X is the NPPES taxonomy code for hematology (internal medicine). Sub-specialties with their own code are counted on their own lists.
Dmand AI
Find the right contacts among US hematology (internal medicine) physicians
Search 1,401 US hematology (internal medicine) physicians by state, hospital, medical group and the EHR they use, with validated work emails and mobile numbers.
- 30 days free
- Self-serve
- No credit card