Updated October 2026

Largest anesthesia and pain groups in Massachusetts

Medical group directory
Massachusetts
Anesthesia and pain

Groups: 63
Anesthesiology groups: 30
Nurse Anesthetist, Certified Registered groups: 30
Anesthesiologists: 545
Nurse anesthetist, certified registered specialists: 459

There are 63 anesthesia and pain groups in Massachusetts with a Medicare PAC ID: 30 anesthesiology, 30 nurse anesthetist, certified registered and 3 pain medicine. Boston Children's Hospital Department of Anesthesiology, Critical Care and Pain Medicine is the largest anesthesiology group, with 118 anesthesiologists, and Lawrence Anesthesia Services the largest nurse anesthetist, certified registered group, with 94 nurse anesthetist, certified registered specialists.

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Boston Children's Hospital Department of Anesthesiology, Critical Care and Pain Medicine is the largest anesthesia and pain group in Massachusetts, with 193 physicians

Ranked by physicians with a Massachusetts address linked to each group. Pratt Anesthesiology Associates is second with 115, and Shriners Children's New England third with 97. 2 Massachusetts groups have 100 or more physicians.

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Anesthesia and pain groups in Massachusetts, ranked by physicians
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1	Boston Children's Hospital Department of Anesthesiology, Critical Care and Pain MedicineBoston · 11 sites	Parent on file	193	274	Decision makers
2	Pratt Anesthesiology AssociatesBoston · 16 sites	Parent on file	115	202	Decision makers
3	Shriners Children's New EnglandSpringfield · 10 sites	Parent on file	97	137	Decision makers
4	Lawrence Anesthesia ServicesLawrence · 16 sites	-	75	171	Decision makers
5	Springfield Anesthesia Services, Inc.Springfield · 9 sites	Parent on file	59	120	Decision makers
6	Boston University Medical Group, Department of AnesthesiologyBoston · 4 sites	Parent on file	59	97	Decision makers
7	Capa AnesthesiaWeymouth · 16 sites	-	57	102	Decision makers
8	Commonwealth Anesthesia AssociatesNewton · 9 sites	Parent on file	57	98	Decision makers
9	Lowell Anesthesiology ServiceLowell · 13 sites	Parent on file	47	105	Decision makers
10	JJM Medical ServicesWaltham · 15 sites	Parent on file	39	69	Decision makers
11	Atlantic AnesthesiaNorwood · 9 sites	Parent on file	38	76	Decision makers
12	Cape Cod Anesthesia AssociatesHyannis · 9 sites	Parent on file	38	63	Decision makers
13	South Suburban GastroenterologySouth Weymouth · 14 sites	-	37	86	Decision makers
14	Greater Boston Anesthesia AssociatesActon · 14 sites	Parent on file	36	103	Decision makers
15	Winchester Anesthesia AssociatesWinchester · 13 sites	Parent on file	33	91	Decision makers
16	Matrix AnesthesiaBrockton · 21 sites	Parent on file	32	73	Decision makers
17	Emerson HealthConcord · 8 sites	Parent on file	31	56	Decision makers
18	Winchester Anesthesia AssociatesWinchester · 12 sites	Parent on file	28	75	Decision makers
19	ICON AnesthesiaMiddleton · 17 sites	Parent on file	22	81	Decision makers
20	Milford Anesthesia ConsultantsMilford · 8 sites	-	21	55	Decision makers
21	Emerson Endoscopy & Digestive Health CenterConcord · 6 sites	Parent on file	20	20	Decision makers
22	DHA EndoscopyStoneham · 13 sites	Parent on file	17	61	Decision makers
23	ICON AnesthesiaMiddleton · 6 sites	Parent on file	17	52	Decision makers
24	Beverly Anesthesia AssociatesDanvers · 4 sites	-	17	38	Decision makers
25	Excel Anesthesia AssociatesDedham · 3 sites	-	14	41	Decision makers
26	Pioneer SedationSpringfield · 8 sites	-	14	39	Decision makers
27	Anesthesia PROfessionals, Inc.Dartmouth · 14 sites	Parent on file	13	63	Decision makers
28	Lowell Anesthesia AssociatesLowell · 7 sites	Parent on file	13	48	Decision makers
29	Metrowest Anesthesia AssociatesFramingham · 6 sites	-	13	33	Decision makers
30	AmSurg MDSine AnesthesiaSpringfield · 3 sites	-	12	28	Decision makers
31	North Shore Ambulatory Anesthesia PartnersPeabody · 2 sites	-	12	13	Decision makers
32	Pain and Wellness CenterPeabody · 2 sites	-	10	17	Decision makers
33	ICON AnesthesiaMiddleton · 6 sites	Parent on file	9	22	Decision makers
34	North Shore Pain ManagementBeverly · 2 sites	-	8	21	Decision makers
35	Anesthesia Consultants of MassachusettsBoston · 2 sites	-	8	17	Decision makers
36	Boston Advanced MedicineWaltham · 4 sites	-	8	8	Decision makers
37	Pulse Anesthesia ConsultantsSpringfield · 3 sites	Parent on file	7	25	Decision makers
38	IVS AnesthesiaAndover · 3 sites	-	7	18	Decision makers
39	MVP Anesthesia AssociatesNorwood · 5 sites	-	7	12	Decision makers
40	North Shore Pain ManagementBeverly · 1 site	-	7	8	Decision makers
41	Precision Anesthesia Associates PCSouthbridge · 3 sites	-	6	15	Decision makers
42	Medical Circle Of AmericaShrewsbury · 2 sites	-	6	10	Decision makers
43	Advanced Pain Management CenterStoneham · 1 site	-	5	7	Decision makers
44	Anesthetic Solutions PCAndover · 4 sites	-	4	11	Decision makers
45	Boston Pain CenterHyde Park · 1 site	-	4	5	Decision makers
46	Quincy Spine CenterQuincy · 2 sites	-	4	4	Decision makers
47	Comprehensive Pain ManagementFranklin · 2 sites	-	3	11	Decision makers
48	Premier Pain ManagementFitchburg · 1 site	-	3	9	Decision makers
49	Greater Boston Anesthesia AssociatesWaltham · 1 site	Parent on file	3	4	Decision makers
50	Tristan MedicalNorton · 3 sites	-	2	12	Decision makers

Showing 1 to 10 of 63 anesthesia and pain groups in Massachusetts

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

Boston Children's Hospital Department of Anesthesiology, Critical Care and Pain Medicine is the largest anesthesiology group in Massachusetts, with 118 anesthesiologists

Ranked by anesthesiologists with a Massachusetts address linked to each group whose main sub-specialty is anesthesiology. Pratt Anesthesiology Associates is second with 112, and Springfield Anesthesia Services, Inc. third with 59.

Largest anesthesiology groups in Massachusetts
#	Medical group	Parent organization	Anesthesiologists	HCPs
1	Boston Children's Hospital Department of Anesthesiology, Critical Care and Pain MedicineBoston · 11 sites	Parent on file	118	274
2	Pratt Anesthesiology AssociatesBoston · 16 sites	Parent on file	112	202
3	Springfield Anesthesia Services, Inc.Springfield · 9 sites	Parent on file	59	120
4	Boston University Medical Group, Department of AnesthesiologyBoston · 4 sites	Parent on file	59	97
5	Capa AnesthesiaWeymouth · 16 sites	-	57	102
6	Commonwealth Anesthesia AssociatesNewton · 9 sites	Parent on file	57	98
7	Cape Cod Anesthesia AssociatesHyannis · 9 sites	Parent on file	38	63
8	Emerson Endoscopy & Digestive Health CenterConcord · 6 sites	Parent on file	20	20
9	Shriners Children's New EnglandSpringfield · 10 sites	Parent on file	17	137
10	North Shore Ambulatory Anesthesia PartnersPeabody · 2 sites	-	12	13

Top 10 of 30 Massachusetts anesthesiology groups

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

Lawrence Anesthesia Services is the largest nurse anesthetist, certified registered group in Massachusetts, with 94 nurse anesthetist, certified registered specialists

Ranked by nurse anesthetist, certified registered specialists with a Massachusetts address linked to each group whose main sub-specialty is nurse anesthetist, certified registered. Greater Boston Anesthesia Associates is second with 65, and ICON Anesthesia third with 57.

Largest nurse anesthetist, certified registered groups in Massachusetts
#	Medical group	Parent organization	Nurse anesthetist, certified registered specialists	HCPs
1	Lawrence Anesthesia ServicesLawrence · 16 sites	-	94	171
2	Greater Boston Anesthesia AssociatesActon · 14 sites	Parent on file	65	103
3	ICON AnesthesiaMiddleton · 17 sites	Parent on file	57	81
4	Lowell Anesthesiology ServiceLowell · 13 sites	Parent on file	54	105
5	Anesthesia PROfessionals, Inc.Dartmouth · 14 sites	Parent on file	49	63
6	Winchester Anesthesia AssociatesWinchester · 13 sites	Parent on file	49	91
7	DHA EndoscopyStoneham · 13 sites	Parent on file	44	61
8	Winchester Anesthesia AssociatesWinchester · 12 sites	Parent on file	40	75
9	Matrix AnesthesiaBrockton · 21 sites	Parent on file	40	73
10	South Suburban GastroenterologySouth Weymouth · 14 sites	-	40	86

Top 10 of 30 Massachusetts nurse anesthetist, certified registered groups

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

Complete Spine and Pain Care is the largest pain medicine group in Massachusetts, with 1 pain medicine specialists

Ranked by pain medicine specialists with a Massachusetts address linked to each group whose main sub-specialty is pain medicine.

Largest pain medicine groups in Massachusetts
#	Medical group	Parent organization	Pain medicine specialists	HCPs
1	Complete Spine and Pain CareFramingham · 1 site	-	1	4

Top 1 of 3 Massachusetts pain medicine groups

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

Lowell Anesthesiology Service has the most physicians in Massachusetts anesthesia and pain groups, with 55 across 2 groups

Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 5 parent organizations have two or more Massachusetts anesthesia and pain groups. Among health systems, Emerson Health System has the most groups, 2. Each clinician counts once per parent organization.

Parent organizations with the most Massachusetts anesthesia and pain groups
#	Parent organization	Massachusetts groups	Physicians	HCPs
1	Lowell Anesthesiology ServicePhysician staffing company	2	55	135
2	Emerson Health SystemHealth system	2	42	67
3	Well Health TechnologiesPhysician practice platform	2	39	106
4	Beth Israel Lahey HealthHealth system	2	33	91
5	Icon AnesthesiaPhysician staffing company	3	28	96

Parent organizations with two or more Massachusetts groups

Lowell Anesthesiology ServicePhysician staffing company · 2 Massachusetts anesthesia and pain groups
Lowell Anesthesiology ServiceMedical group · Lowell
Lowell Anesthesia AssociatesMedical group · Lowell

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Source: Dmand AI Org Hierarchy Data

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60% of Massachusetts 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.

Massachusetts anesthesia and pain groups by ownership

Independent3860%
Health system or hospital914%
Platform or corporate owner1422%
Other organization23%

Sites of care beyond their own offices

Practice at a hospital40

Practice at a surgery center20

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Source: Dmand AI Org Hierarchy Data

40 Massachusetts anesthesia and pain groups practice at a hospital site, and 20 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.

Massachusetts anesthesia and pain groups by site of care

Hospitals4063%
Ambulatory surgery centers2032%

Clinicians in Massachusetts anesthesia and pain groups

Anesthesiologists545

Nurse anesthetist, certified registered specialists459

Pain medicine specialists1

All HCPs1,808

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

Springfield has the most anesthesia and pain groups in Massachusetts, with 5

5anesthesia and pain groups in Springfield

4anesthesia and pain groups in Boston

3anesthesia and pain groups in Danvers

3anesthesia and pain groups in Lowell

3anesthesia and pain groups in Middleton

3anesthesia and pain groups in Norwood

More Massachusetts cities with anesthesia and pain groups

Waltham3
Andover2
Beverly2
Concord2
Framingham2
Franklin2
Peabody2
Stoneham2
Weymouth2
Winchester2
Acton1
Brockton1
Carver1
Dartmouth1
Dedham1

Source: Doctors and Clinicians National Downloadable File (CMS)

Each Massachusetts 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 Massachusetts 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 Massachusetts

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is the largest anesthesiology group in Massachusetts?

Boston Children's Hospital Department of Anesthesiology, Critical Care and Pain Medicine, based in Boston, with 118 anesthesiologists and 274 HCPs. Pratt Anesthesiology Associates is second with 112.

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

Lawrence Anesthesia Services, based in Lawrence, with 94 nurse anesthetist, certified registered specialists and 171 HCPs. Greater Boston Anesthesia Associates is second with 65.

How many anesthesia and pain groups are in Massachusetts?

There are 63 anesthesia and pain groups in Massachusetts with a Medicare PAC ID: 30 anesthesiology, 30 nurse anesthetist, certified registered and 3 pain medicine. Between them they have 545 anesthesiologists, 459 nurse anesthetist, certified registered specialists and 1 pain medicine specialists.

Which companies own the most anesthesia and pain groups?

By physicians, Lowell Anesthesiology Service, with 55 across 2 groups, followed by Emerson Health System with 42 and Well Health Technologies with 39.

How many Massachusetts anesthesia and pain groups are independent?

38, or 60%, have no larger parent organization in the Dmand AI org hierarchy. 9 belong to a health system or hospital and 14 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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