Updated October 2026

Largest anesthesia and pain groups in Connecticut

Medical group directory
Connecticut
Anesthesia and pain

Groups: 28
Anesthesiology groups: 11
Nurse Anesthetist, Certified Registered groups: 11
Anesthesiologists: 55
Nurse anesthetist, certified registered specialists: 496

There are 28 anesthesia and pain groups in Connecticut with a Medicare PAC ID: 11 anesthesiology, 11 nurse anesthetist, certified registered and 6 pain medicine. Stamford Anesthesiology Services, PC is the largest anesthesiology group, with 30 anesthesiologists, and Integrated Anesthesia Associates the largest nurse anesthetist, certified registered group, with 341 nurse anesthetist, certified registered specialists.

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Integrated Anesthesia Associates is the largest anesthesia and pain group in Connecticut, with 245 physicians

Ranked by physicians with a Connecticut address linked to each group. Connecticut GI is second with 180, and Woodland Anesthesiology Associates third with 62. 2 Connecticut groups have 100 or more physicians.

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Anesthesia and pain groups in Connecticut, ranked by physicians
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1	Integrated Anesthesia AssociatesShelton · 45 sites	-	245	602	Decision makers
2	Connecticut GIHartford · 66 sites	Parent on file	180	394	Decision makers
3	Woodland Anesthesiology AssociatesHartford · 29 sites	Parent on file	62	239	Decision makers
4	Anesthesiologists of MiddletownMiddletown · 12 sites	Parent on file	33	82	Decision makers
5	Stamford Anesthesiology Services, PCStamford · 10 sites	Parent on file	32	70	Decision makers
6	Anesthesia Associates of Willimantic (AAW)Willimantic · 12 sites	-	32	67	Decision makers
7	Harbor Point AnesthesiologyStamford · 8 sites	Parent on file	23	32	Decision makers
8	Bridgeport Anesthesia AssociatesBridgeport · 15 sites	Parent on file	22	104	Decision makers
9	Charter Anesthesiology LLCWest Hartford · 12 sites	-	21	67	Decision makers
10	Greenwich Anesthesiology AssociatesGreenwich · 5 sites	-	20	43	Decision makers
11	Greater Connecticut Anesthesia AssociatesFairfield · 8 sites	Parent on file	16	34	Decision makers
12	MidState Gastroenterology Specialists P.C.Meriden · 11 sites	-	11	19	Decision makers
13	Endoscopy Center of ConnecticutHamden · 8 sites	Parent on file	8	33	Decision makers
14	New England Anesthesia AssociatesGuilford · 4 sites	Parent on file	5	17	Decision makers
15	Advanced Diagnostic Pain Treatment CentersNew Haven · 1 site	-	5	9	Decision makers
16	Hartford Hospital Pain Treatment CenterWest Hartford · 2 sites	Parent on file	4	9	Decision makers
17	Connecticut Anesthesia AssociatesStamford · 2 sites	Parent on file	4	4	Decision makers
18	Pain Management Partners LLCDanbury · 6 sites	-	2	7	Decision makers
19	Midstate Pain Management - MeridenMeriden · 3 sites	Parent on file	2	5	Decision makers
20	Connecticut Anesthesia ProfessionalsBloomfield · 5 sites	Parent on file	1	23	Decision makers
21	CIVIC InfusionWilton · 2 sites	Parent on file	1	5	Decision makers
22	CIVIC InfusionWilton · 2 sites	Parent on file	1	5	Decision makers
23	CIVIC Infusion - A Vivo CompanyWilton · 2 sites	Parent on file	1	5	Decision makers
24	Pain & Spine Specialists of ConnecticutDanbury · 4 sites	Parent on file	1	5	Decision makers
25	CIVIC InfusionWilton · 2 sites	Parent on file	1	2	Decision makers
26	Comprehensive Pain Management of Central ConnecticutPlainville · 1 site	-	1	2	Decision makers
27	iSPINE (Interventional Spine & Pain Institute of New England)Waterbury · 1 site	-	1	2	Decision makers
28	Medical Services of Connecticut PLLCFarmington · 1 site	-	1	1	Decision makers

Showing 1 to 10 of 28 anesthesia and pain groups in Connecticut

Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data

Stamford Anesthesiology Services, PC is the largest anesthesiology group in Connecticut, with 30 anesthesiologists

Ranked by anesthesiologists with a Connecticut address linked to each group whose main sub-specialty is anesthesiology. Harbor Point Anesthesiology is second with 23, and Greater Connecticut Anesthesia Associates third with 15.

Largest anesthesiology groups in Connecticut
#	Medical group	Parent organization	Anesthesiologists	HCPs
1	Stamford Anesthesiology Services, PCStamford · 10 sites	Parent on file	30	70
2	Harbor Point AnesthesiologyStamford · 8 sites	Parent on file	23	32
3	Greater Connecticut Anesthesia AssociatesFairfield · 8 sites	Parent on file	15	34
4	MidState Gastroenterology Specialists P.C.Meriden · 11 sites	-	8	19
5	Connecticut Anesthesia AssociatesStamford · 2 sites	Parent on file	4	4
6	CIVIC Infusion - A Vivo CompanyWilton · 2 sites	Parent on file	1	5
7	CIVIC InfusionWilton · 2 sites	Parent on file	1	2
8	CIVIC InfusionWilton · 2 sites	Parent on file	1	5
9	CIVIC InfusionWilton · 2 sites	Parent on file	1	5

Top 9 of 11 Connecticut anesthesiology groups

Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data

Integrated Anesthesia Associates is the largest nurse anesthetist, certified registered group in Connecticut, with 341 nurse anesthetist, certified registered specialists

Ranked by nurse anesthetist, certified registered specialists with a Connecticut address linked to each group whose main sub-specialty is nurse anesthetist, certified registered. Woodland Anesthesiology Associates is second with 171, and Connecticut GI third with 113.

Largest nurse anesthetist, certified registered groups in Connecticut
#	Medical group	Parent organization	Nurse anesthetist, certified registered specialists	HCPs
1	Integrated Anesthesia AssociatesShelton · 45 sites	-	341	602
2	Woodland Anesthesiology AssociatesHartford · 29 sites	Parent on file	171	239
3	Connecticut GIHartford · 66 sites	Parent on file	113	394
4	Bridgeport Anesthesia AssociatesBridgeport · 15 sites	Parent on file	79	104
5	Anesthesiologists of MiddletownMiddletown · 12 sites	Parent on file	49	82
6	Charter Anesthesiology LLCWest Hartford · 12 sites	-	44	67
7	Anesthesia Associates of Willimantic (AAW)Willimantic · 12 sites	-	30	67
8	Endoscopy Center of ConnecticutHamden · 8 sites	Parent on file	24	33
9	Connecticut Anesthesia ProfessionalsBloomfield · 5 sites	Parent on file	22	23
10	Greenwich Anesthesiology AssociatesGreenwich · 5 sites	-	20	43

Top 10 of 11 Connecticut nurse anesthetist, certified registered groups

Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data

Advanced Diagnostic Pain Treatment Centers and Hartford Hospital Pain Treatment Center have the most pain medicine specialists of any Connecticut pain medicine group, with 2 each

Ranked by pain medicine specialists with a Connecticut address linked to each group whose main sub-specialty is pain medicine. Midstate Pain Management - Meriden is third with 2.

Largest pain medicine groups in Connecticut
#	Medical group	Parent organization	Pain medicine specialists	HCPs
1	Advanced Diagnostic Pain Treatment CentersNew Haven · 1 site	-	2	9
2	Hartford Hospital Pain Treatment CenterWest Hartford · 2 sites	Parent on file	2	9
3	Midstate Pain Management - MeridenMeriden · 3 sites	Parent on file	2	5
4	Pain Management Partners LLCDanbury · 6 sites	-	1	7
5	Comprehensive Pain Management of Central ConnecticutPlainville · 1 site	-	1	2

Top 5 of 6 Connecticut pain medicine groups

Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data

Stamford Health has the most physicians in Connecticut anesthesia and pain groups, with 34 across 2 groups

Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 4 parent organizations have two or more Connecticut anesthesia and pain groups. Among health systems, Hartford HealthCare has the most groups, 3. Each clinician counts once per parent organization.

Parent organizations with the most Connecticut anesthesia and pain groups
#	Parent organization	Connecticut groups	Physicians	HCPs
1	Stamford HealthHealth system	2	34	72
2	Well Health TechnologiesPhysician practice platform	2	18	47
3	Hartford HealthCareHealth system	3	12	43
4	Vivo InfusionTreatment center company	4	1	5

Parent organizations with two or more Connecticut groups

Stamford HealthHealth system · 2 Connecticut anesthesia and pain groups
Stamford Anesthesiology Services, PCMedical group · Stamford
Harbor Point AnesthesiologyMedical group · Stamford

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Source: Dmand AI Org Hierarchy Data

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36% of Connecticut anesthesia and pain 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.

Connecticut anesthesia and pain groups by ownership

Independent1036%
Health system or hospital621%
Platform or corporate owner829%
Other organization414%

Sites of care beyond their own offices

Practice at a hospital18

Practice at a surgery center7

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Source: Dmand AI Org Hierarchy Data

18 Connecticut anesthesia and pain groups practice at a hospital site, and 7 at a surgery center

Sites of care linked to each group in the org hierarchy, beyond its own offices. A group can practice at several kinds of site.

Connecticut anesthesia and pain groups by site of care

Hospitals1864%
Ambulatory surgery centers725%

Clinicians in Connecticut anesthesia and pain groups

Anesthesiologists55

Nurse anesthetist, certified registered specialists496

Pain medicine specialists6

All HCPs1,240

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

Wilton has the most anesthesia and pain groups in Connecticut, with 4

4anesthesia and pain groups in Wilton

3anesthesia and pain groups in Stamford

2anesthesia and pain groups in Danbury

2anesthesia and pain groups in Hartford

2anesthesia and pain groups in Meriden

2anesthesia and pain groups in West Hartford

More Connecticut cities with anesthesia and pain groups

Bloomfield1
Bridgeport1
Fairfield1
Farmington1
Greenwich1
Guilford1
Hamden1
Middletown1
New Haven1
Plainville1
Shelton1
Waterbury1
Willimantic1

Source: Doctors and Clinicians National Downloadable File (CMS)

Each Connecticut anesthesia and pain 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

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Sources: Doctors and Clinicians National Downloadable File (CMS), Medicare Physician & Other Practitioners (CMS) and Dmand AI Org Hierarchy Data

Sources for the Connecticut anesthesia and pain group list

Sources for the data on this page
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 inaccuracy Remove my information

Groups whose main specialty is anesthesia and pain and that have a Medicare PAC ID.

FAQ

Frequently asked questions about anesthesia and pain groups in Connecticut

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What is the largest anesthesiology group in Connecticut?

Stamford Anesthesiology Services, PC, based in Stamford, with 30 anesthesiologists and 70 HCPs. Harbor Point Anesthesiology is second with 23.

What is the largest nurse anesthetist, certified registered group in Connecticut?

Integrated Anesthesia Associates, based in Shelton, with 341 nurse anesthetist, certified registered specialists and 602 HCPs. Woodland Anesthesiology Associates is second with 171.

How many anesthesia and pain groups are in Connecticut?

There are 28 anesthesia and pain groups in Connecticut with a Medicare PAC ID: 11 anesthesiology, 11 nurse anesthetist, certified registered and 6 pain medicine. Between them they have 55 anesthesiologists, 496 nurse anesthetist, certified registered specialists and 6 pain medicine specialists.

Which companies own the most anesthesia and pain groups?

By physicians, Stamford Health, with 34 across 2 groups, followed by Well Health Technologies with 18 and Hartford HealthCare with 12.

How many Connecticut anesthesia and pain groups are independent?

10, or 36%, have no larger parent organization in the Dmand AI org hierarchy. 6 belong to a health system or hospital and 8 to a physician platform or corporate owner.

Why are anesthesia and pain listed together?

They share one specialty category in the Dmand AI medical group data. This page also ranks each sub-specialty on its own, by its own specialists.

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