Largest general and specialty surgery groups in the US
- Groups
- 1,195
- Surgery groups
- 1,195
- Surgery specialists
- 6,999
- Physicians
- 10,721
- More than one site
- 734
There are 1,195 general and specialty surgery groups in the US with a Medicare PAC ID. Acute Care Surgery Medical Group is the largest, with 352 physicians.
Find the decision makers at all 1,195 US general and specialty surgery groups
Work emails and mobile numbers for practice owners, administrators and physician leaders, found through healthcare waterfall enrichment, with a free Dmand AI account.
Acute Care Surgery Medical Group is the largest general and specialty surgery group in the US, with 352 physicians
Ranked by physicians linked to each group. Ucsf Dept Of Surgery is second with 296, and Northside Hospital third with 248. 13 US groups have 100 or more physicians.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
California has the most general and specialty surgery groups, with 157
Texas is second with 132 and Florida third with 116. Every state with 5 or more groups has its own list.
- California157
- Texas132
- Florida116
- New York82
- Michigan50
- Georgia48
- New Jersey41
- Alabama37
- Illinois37
- Maryland35
- Arizona34
- Colorado28
- Ohio27
- Louisiana25
- Tennessee25
- Massachusetts21
- North Carolina21
- Pennsylvania21
- Nevada20
- Missouri19
- Virginia19
- Mississippi18
- Indiana16
- Washington13
- Kentucky11
- Kansas10
- Puerto Rico10
- Alaska9
- Connecticut9
- South Carolina9
- Iowa8
- Idaho8
- Oklahoma8
- Oregon8
- Arkansas7
- Delaware7
- South Dakota6
- Wisconsin6
- Hawaii5
- Nebraska5
- Montana4
- Utah4
- Wyoming4
- Guam2
- Minnesota2
- New Hampshire2
- Rhode Island2
- Vermont2
- Washington, DC1
- Maine1
- North Dakota1
- New Mexico1
- West Virginia1
Source: Doctors and Clinicians National Downloadable File (CMS)
USA Clinics Group has the most physicians in US general and specialty surgery groups, with 172 across 45 groups
50 parent organizations have two or more US general and specialty surgery groups. Among health systems, HCA Healthcare has the most groups, 29. Each clinician counts once per parent organization.
See every medical group, site and clinician under USA Clinics Group
Org Hierarchy Explorer maps every group, site of care and clinician under the parent, with the leaders at each group.
Source: Dmand AI Org Hierarchy Data
For sales teams
Dmand AI maps the owners, administrators and physician leaders at each of the 1,195 US general and specialty surgery groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
64% of US general and specialty surgery groups are independent, with no larger parent organization
A group counts as independent when no health system, platform or other organization sits above it in the org hierarchy. Every other group belongs to a larger organization.
US general and specialty surgery groups by ownership
- Independent763
- Health system or hospital204
- Platform or corporate owner162
- Community or government13
- Other organization53
Sites of care beyond their own offices
See the parent organization above every US group
Dmand AI maps each group to the health system, physician platform or management company above it, so you can sell to the owner, not one site.
Source: Dmand AI Org Hierarchy Data
Each US general and specialty surgery group profile shows the parent, sites, clinicians and identifiers
- Clinicians and specialtiesA count by specialty and a sample of the group's cliniciansOn every profile
- Practice locationsMain site and a sample of practice locations, with a count of the restOn every profile
- Medicare Part B paymentsMedicare payments to the group, from CMSOn every profile
- Group NPI and Medicare PAC IDIdentifiers for matching records across sourcesOn every profile
- Parent organizationThe health system, platform or owner above the groupOn every profile
- Every clinician and siteThe full roster and every practice locationWith a free account
- Leader and clinician contactsWork emails and mobile numbers, found on request and then validatedWith a free account
- EHR used by the group's cliniciansThe EHR in use at the group's sitesWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: Doctors and Clinicians National Downloadable File (CMS), Medicare Physician & Other Practitioners (CMS) and Dmand AI Org Hierarchy Data
Sources for the US general and specialty surgery group list
| Data on this page | Source |
|---|---|
| Medical groups, specialties and sites | Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Professional Profile Data |
| Parent organizations and independence | Dmand AI Org Hierarchy Data |
| Physicians and HCPs | Dmand AI Affiliation Data |
| Group NPI and PAC ID | NPPES NPI Registry (CMS) and Doctors and Clinicians National Downloadable File (CMS) |
Data last refreshed October 2026Report an inaccuracyRemove my information
Groups whose main specialty is general and specialty surgery and that have a Medicare PAC ID.
FAQ
Frequently asked questions about US general and specialty surgery groups
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many general and specialty surgery groups are in the US?
There are 1,195 general and specialty surgery groups in the US with a Medicare PAC ID. Between them they have 6,999 surgery specialists.
Which state has the most general and specialty surgery groups?
California, with 157, followed by Texas with 132 and Florida with 116.
Which companies own the most general and specialty surgery groups?
By physicians, USA Clinics Group, with 172 across 45 groups, followed by HCA Healthcare with 417 and UnitedHealth Group with 235.
How many general and specialty surgery groups are independent?
763, or 64%, have no larger parent organization in the Dmand AI org hierarchy. 204 belong to a health system or hospital and 162 to a physician platform or corporate owner.
Dmand AI
Find the right contacts at every US general and specialty surgery group
Search 1,195 groups by size and parent organization, with the physicians and leaders at each one.
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