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Massachusetts · Social Worker

Social Worker in Massachusetts.

5,532 registered Social Worker providers practise in Massachusetts according to the National Plan and Provider Enumeration System (NPPES). Browse by city below, or click any provider to view their full NPI record including taxonomy, address, and contact details.

104100000X5,532 in Massachusetts200 citiesRefreshed monthly
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By the numbersSocial Worker in Massachusetts

As of the June 2026 NPPES snapshot, Massachusetts lists 5,532 registered Social Worker providers: 99% individual practitioners and 1% organizations. 11% are listed in Medicare's PECOS enrollment system.

99%
Individual practitioners
5,459 of 5,532 . NPI-1
1%
Organizations
73 of 5,532 . NPI-2
11%
Medicare-enrolled
582 listed in PECOS
#7
Density rank
of 55 states with Social Worker providers
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Boston456Springfield277Cambridge269Worcester266Brockton144Lowell133Framingham125Haverhill117Somerville109Taunton103Chelsea101Jamaica Plain95Northampton92Salem88Quincy84Waltham81Beverly79Lawrence78Dorchester78Hyannis75Fall River74Lynn72Brookline71New Bedford70Pittsfield62Milford60Holyoke59Brighton58Plymouth57Roxbury56Malden54Needham54Newton50Greenfield48Roslindale47Medford39Braintree38Danvers37Dedham36Gloucester35Methuen32Woburn31Southbridge31Weymouth30Attleboro30Leominster29Norwood29Fitchburg29Bedford29Marlborough26East Boston25Norwell24Allston24Lexington24Franklin23Randolph23Peabody22Chelmsford21Belmont20Chicopee20Amherst20Arlington20West Springfield19Concord19Natick19Easthampton18Watertown17Leeds17Everett16Florence15Stoughton15Andover15Mashpee15Swansea13Charlestown13South Hadley13Walpole13Chestnut Hill13North Andover12Burlington12Mattapan12Canton12Revere11Longmeadow11Wakefield11Falmouth10Hingham10Yarmouth Port9Gardner9Hyde Park9Melrose9Milton9Stoneham9Tewksbury9Wellesley9Westfield9Swampscott8Vineyard Haven8Saugus8Westborough8West Roxbury8Middleboro7Shrewsbury7Sharon7Marshfield7Bridgewater7Hanover7Norton7Sudbury7Westwood7Nantucket7Winchester7Ware6Marblehead6Dorchester Center6Belchertown6South Boston6North Adams6Southborough6Acton6Orange6Orleans6Raynham6Holbrook6Whitman6Athol6North Easton5North Reading5Berkley5West Newbury5Great Barrington5Littleton5East Longmeadow5Whitinsville5Webster5Mansfield5Wareham5Medway5Millbury5Hadley5North Attleboro5Marion4Amesbury4Charlton4Sturbridge4Lakeville4Foxboro4South Yarmouth4Wrentham4Lee4Billerica4Auburn4Roxbury Crossing4Topsfield4North Quincy4Wilmington4West Newton4Groton4Holden3Needham Heights3Northborough3Rockland3Newburyport3Auburndale3Wellesley Hills3Leverett3Forestdale3Ayer3Spencer3Dartmouth3Ludlow3Reading3Lynnfield3Weston3Brewster3Kingston3Ashland3Waban3Fairhaven3Foxborough3Abington3Ipswich3Agawam3Sagamore Beach3Huntington3N Dartmouth3Westford3Oak Bluffs3Grafton2Harvard2Harwich2Harwich Port2East Falmouth2Holliston2Hopkinton2Dracut2Dennis Port2Lincoln2Dennis2Lunenburg2

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Frequently asked · MassachusettsSocial Worker in Massachusetts

As of the June 2026 NPPES snapshot, 5,532 providers with the Social Worker taxonomy are registered to a Massachusetts practice address. Counts refresh monthly from the public CMS registry.

Open any provider's full NPI record to see their active status, taxonomy, and registered Massachusetts practice address. For real-time confirmation, the authoritative source is the CMS NPPES public registry, which FindMyNPI mirrors and refreshes monthly.

Boston (456), Springfield (277), Cambridge (269). Use the "Refine by city" panel above to open any city's full directory.