NPI lookup in Massachusetts
260,778 providers with a practice address in Massachusetts.
Largest cities
Top specialties
- Mental Health Counselor 20,023
- Clinical Social Worker 19,252
- Behavior Technician 11,885
- Student in an Organized Health Care Education/Training Program 11,124
- Counselor 9,170
- Physical Therapist 7,823
- Internal Medicine Physician 7,651
- Pharmacist 6,070
- Social Worker 5,660
- General Practice Dentistry 5,291
- Developmental Therapist 5,282
- Behavior Analyst 5,137
- Registered Nurse 5,105
- Family Nurse Practitioner 4,884
- Physician Assistant 4,784
- Speech-Language Pathologist 4,341
Every city
- 251 Waltham St. 1
- 688 1
- Abington 193
- Accord 2
- Acton 699
- Acushnet 69
- Adams 105
- Agawam 341
- Agawan 1
- Alford 3
- Algonac 1
- Allson 1
- Allston 734
- Alston 1
- Amesbury 620
- Amherst 895
- Amhert 1
- Andover 1,027
- Andover Ma 1
- Andovor 1
- Aquinnah 6
- Arlington 1,202
- Arlinton 1
- Ashburham 1
- Ashburnham 59
- Ashby 27
- Ashfield 16
- Ashland 215
- Ashley Falls 2
- Assonet 46
- Athol 271
- Atteboro 1
- Attle Boro 1
- Attleboro 1,484
- Attleboro Falls 17
- Auburn 573
- Auburndale 197
- Auxbury 1
- Avon 80
- Ayer 184
- Babson Park 12
- Baldwinville 63
- Baltimore 1
- Bangor 2
- Barnstable 46
- Barre 102
- Barre Plains 1
- Becket 14
- Bedford 938
- Belchertown 190
- Bellingham 183
- Belmont 1,137
- Bemont 1
- Berkley 51
- Berlin 43
- Bernardston 11
- Beverly 2,599
- Beverly Farms 2
- Billerica 341
- Blackstone 49
- Blandford 1
- Bolton 70
- Bondsville 1
- Boson 1
- Bosoton 1
- Bost 1
- Boston 44,460
- Boston College 2
- Boston(617)-638-8000 1
- Boston, Boston 1
- Boston, Ma 1
- Bourne 137
- Boxboro 3
- Boxborough 49
- Boxford 89
- Boylston 51
- Brackton 1
- Bradford 95
- Brain Tree 1
- Braintree 1,274
- Brant Rock 1
- Brattleboro 2
- Brewster 187
- Bridgewater 464
- Brighten 1
- Brighton 1,872
- Brighton-Boston 1
- Brignton 1
- Brimfield 29
- Broackton 1
- Broadview Heights 1
- Brocktom 1
- Brockton 5,090
- Brockton, 1
- Brockton, Ma 1
- Brocktown 1
- Brokton 1
- Brookfield 13
- Brookline 2,905
- Brookline Village 2
- Brooklyn 1
- Bruckton 1
- Bryantville 1
- Buckland 1
- Burlington 2,871
- Buzzard Bay 1
- Buzzards Bay 169
- Byfield 35
- Cambridge 5,851
- Cambridge Street 1
- Cambridge, 1
- Cambrige 2
- Canton 698
- Cape Cod 1
- Carlisle 49
- Carver 83
- Casablanca 1
- Cataumet 15
- Centerville 161
- Centetrville 1
- Charlemont 4
- Charleston 2
- Charlestown 508
- Charlton 187
- Chatham 59
- Chelmford 1
- Chelmsford 1,224
- Chelsea 1,132
- Chelsford 1
- Chelsmford 1
- Cherry Valley 16
- Cheshire 9
- Chesnut Hill 1
- Chester 4
- Chesterfield 5
- Chestnut Hill 910
- Chestnut Mill 1
- Chestnuthill 1
- Chicopee 898
- Chilmark 10
- Chimark 1
- Cincinnati 1
- Clarksburg 7
- Clinton 143
- Cohasset 182
- Colrain 6
- Concord 1,345
- Conway 17
- Cotuit 42
- Cranston 1
- Cummaquid 1
- Cummington 20
- Dalton 62
- Danvers 2,369
- Dartmouth 644
- Ded Ham 1
- Dedham 1,153
- Dednam 1
- Deerfield 19
- Dennis 31
- Dennis Port 19
- Dennisport 1
- Devens 49
- Dighton 25
- Dorcester 1
- Dorchester 1,989
- Dorchester Center 242
- Dorchester, 1
- Douglas 48
- Dover 49
- Dracut 395
- Drury 2
- Dudley 77
- Dudley Hill 1
- Dunstable 15
- Duxbury 289
- East Boston 672
- East Bridgewater 226
- East Brookfield 16
- East Cambridge 6
- East Dennis 6
- East Douglas 4
- East Falmouth 113
- East Freetown 28
- East Harwich 12
- East Lansing 1
- East Long Meadow 3
- East Longmeadow 465
- East Lynn 1
- East Orleans 3
- East Sandwic 1
- East Sandwich 167
- East Taunton 40
- East Templeton 2
- East Walpole 52
- East Wareham 74
- East Watertown 3
- East Weymouth 41
- Eastham 42
- Easthamptom 1
- Easthampton 509
- Easton 15
- Edgartown 68
- Edgertown 1
- Erving 19
- Essex 28
- Everett 598
- Everette 1
- Fairhaven 335
- Fairheaven 1
- Fall River 3,620
- Fallriver 1
- Falmouth 680
- Farmingham 1
- Fayville 1
- Feeding Hills 182
- Fell River 1
- Fiskdale 30
- Fitchberg 1
- Fitchburg 1,390
- Flint 1
- Florence 378
- Florida 4
- Forestdale 78
- Foxboro 383
- Foxborough 197
- Fraingham 1
- Fram 2
- Framignham 1
- Framimgham 1
- Framingham 3,655
- Framingham, 1
- Framinghman 1
- Franklin 641
- Freetown 1
- Fruit St. 1
- Gand Rapids 1
- Garder 1
- Gardner 725
- Georgetown 102
- Gibsonia 1
- Gilbertville 4
- Gill 6
- Gloucester 630
- Goshen 9
- Grafton 57
- Granby 36
- Granville 4
- Great Barrington 356
- Greenbelt 1
- Greenfield 1,412
- Greenfiled 1
- Groton 180
- Groveland 78
- Gt Barrington 34
- Hadlen 1
- Hadley 249
- Halifax 55
- Hamilton 5
- Hampden 39
- Hancock 3
- Hanover 413
- Hanscom Afb 73
- Hanscom, Afb 1
- Hanson 84
- Hardwick 5
- Harvard 130
- Harwich 165
- Harwich Center 1
- Harwich Port 66
- Hatfield 32
- Hathorne 9
- Havenhill 1
- Haverhiill 1
- Haverhill 1,461
- Hawley 1
- Haydenville 22
- Heath 5
- Herzliya 1
- Hingham 818
- Hinsdale 10
- Hokyoke 1
- Holbrook 136
- Holden 300
- Holland 6
- Holliston 197
- Holyohe 1
- Holyoke 2,202
- Hopedal 1
- Hopedale 80
- Hopkinton 310
- Housatonic 10
- Hubbardston 31
- Hudson 497
- Hudsonhudson 1
- Hull 103
- Huntington 36
- Hyannis 1,742
- Hyannis Port 3
- Hyarnis 1
- Hyde Park 496
- Indian Orchard 51
- Ipswich 242
- Ipswitch 2
- Jamacia Plain 1
- Jamaica Plain 1,811
- Jamaica Plains 1
- Jamaicl Plain 1
- Jamica Plain 2
- Jefferson 20
- Kensington 1
- Kingston 259
- Lake Pleasant 3
- Lakeville 198
- Lancaster 116
- Lanesboro 19
- Lanesborough 16
- Laplata 1
- Larwrence 1
- Laurence 1
- Lawernce 1
- Lawrence 2,706
- Leaminster 1
- Lee 135
- Leeds 393
- Leicester 79
- Leminster 1
- Lenox 153
- Lenox Dale 2
- Leom 1
- Leominister 3
- Leominster 1,507
- Leomister 1
- Leverett 32
- Lexington 1,757
- Leyden 3
- Lincoln 92
- Linfield 1
- Linwood 2
- Littleton 161
- Longmeadow 629
- Lowell 3,527
- Ludlow 242
- Lunenberg 1
- Lunenburg 296
- Lynn 2,389
- Lynn, 1
- Lynnfield 229
- Ma 4
- Mablen 1
- Malborough 4
- Malden 1,311
- Manassas 1
- Manchaug 1
- Manchester 94
- Manchester By The Sea 19
- Mansfield 433
- Marblehead 335
- Mariborough 1
- Marion 136
- Marlboro 33
- Marlborogh 1
- Marlborough 3,326
- Marlborough, 2
- Marlborugh 1
- Marlbrough 1
- Marshfield 347
- Marshfield Hills 1
- Marstons Mills 74
- Mashpee 447
- Massachusetts 1
- Mattapan 350
- Mattapoisett 86
- Mattapoisette 1
- Maynard 143
- Medfield 270
- Medford 1,385
- Medway 244
- Melrose 627
- Melthuen 1
- Mendon 52
- Merrimac 68
- Metheun 2
- Methoen 1
- Methuan 1
- Methuen 1,204
- Methurn 1
- Methven 2
- Meuthen 1
- Middleboro 464
- Middleborough 3
- Middleton 193
- Middletown 1
- Milbury 2
- Mildford 1
- Milford 3,705
- Milfordm 1
- Millbury 196
- Millers Falls 4
- Millford 1
- Millis 116
- Millville 10
- Milton 571
- Milton Village 4
- Monponsett 2
- Monson 52
- Montague 17
- Monterey 13
- Monterry 1
- Montgomery 8
- Monument Beach 5
- Mount Clemens 1
- Mount Hermon 2
- Nahant 19
- Nantucket 280
- Natick 1,429
- Needham 1,521
- Needham Heights 78
- New 1
- New Bedford 2,684
- New Bedform 1
- New Benford 1
- New Besford 1
- New Braintree 4
- New Marlborough 7
- New Salem 6
- New York 1
- Newbury 60
- Newbury Port 1
- Newburyport 755
- Newton 3,419
- Newton Center 114
- Newton Centre 187
- Newton Corner 2
- Newton Ctr 3
- Newton Highlands 84
- Newton L F 1
- Newton Lower Falls 40
- Newton Upper Falls 62
- Newtonville 78
- Newtown 2
- Newtown Highlands 1
- Nor 1
- Norfolk 152
- Norht Eastham 1
- Norht Easton 1
- Nort Andover 1
- North Adams 406
- North Andover 1,197
- North Andovor 1
- North Attleboro 396
- North Billerica 127
- North Brookfield 30
- North Cambridge 9
- North Chatham 30
- North Chelmsford 321
- North Dart Mouth 1
- North Dartmouth 577
- North Dighton 40
- North Eastham 10
- North Easton 409
- North Falmouth 79
- North Grafton 169
- North Hampton 5
- North Hatfield 2
- North Highlands 1
- North Marshfield 1
- North Oxford 26
- North Quincy 88
- North Reading 222
- North Scituate 2
- North Truro 3
- North Waltham 2
- North Weymouth 18
- Northampton 2,145
- Northboro 12
- Northborough 453
- Northbridge 60
- Northfield 18
- Northfolk 1
- Northhampton 9
- Norton 326
- Norwell 1,162
- Norwood 1,559
- Norwwod 1
- Noth Attleboro 1
- Oak Bluff 1
- Oak Bluffs 167
- Oakbluffs 1
- Oakham 10
- Ocean Bluff 2
- Onset 12
- Orange 128
- Orleans 181
- Osterville 64
- Otis 6
- Otis Angb 1
- Oxford 137
- Palmer 293
- Paxton 47
- Peabody 1,653
- Pebody 1
- Pelham 19
- Pembroke 361
- Pepperell 105
- Peru 1
- Peterborough 1
- Petersham 20
- Phillipston 17
- Pittfield 1
- Pittfsfield 1
- Pittsfield 2,643
- Pittsfiled 2
- Plainfield 5
- Plainville 253
- Plymouth 2,407
- Plympton 22
- Pocasset 283
- Prides Crossing 5
- Princeton 30
- Provinceown 1
- Provincetown 106
- Quincy 3,290
- Quincy Centre 1
- Rabat 1
- Ran River 1
- Randoloh 1
- Randolph 1,192
- Ratnham 1
- Raynham 316
- Reading 448
- Rehoboth 127
- Revere 613
- Richmond 11
- Riverdale 1
- Rochdale 35
- Rochester 208
- Rockland 193
- Rockport 62
- Rondolph 1
- Roslindale 782
- Roslindalle 1
- Rowe 3
- Rowley 106
- Roxbury 1,152
- Roxbury Crossing 221
- Royalston 7
- Russell 6
- Rutland 85
- Sagamore 6
- Sagamore Beach 29
- Saginaw 1
- Salem 2,154
- Salisbury 86
- Sandisfield 8
- Sandwich 228
- Sanwich 1
- Saugus 392
- Savoy 3
- Scarborough 1
- Scituate 230
- Seekonk 243
- Shapiro 9, Suite A 1
- Sharon 310
- Sheffield 22
- Shelburne 1
- Shelburne Falls 69
- Sherborn 50
- Shiney 1
- Shirley 74
- Shrewbury 3
- Shrewsburry 1
- Shrewsbury 701
- Shutesbury 16
- Siasconset 1
- Somerset 237
- Somerville 2,145
- Somerville Ma 1
- Somervillle 2
- Sommerville 2
- Soughton 1
- South Attleboro 73
- South Attlevoro 1
- South Barre 5
- South Boroulh 1
- South Boston 286
- South Bridge 1
- South Carver 1
- South Chatham 10
- South Dartmouth 49
- South Deerfield 136
- South Dennis 122
- South Easton 216
- South Egremont 8
- South Grafton 20
- South Hadley 418
- South Hamilton 148
- South Lancaster 10
- South Natick 2
- South Orleans 3
- South Walpole 5
- South Waltham 2
- South Wellfleet 4
- South Weumouth 1
- South Weymouth 588
- South Yarmouth 361
- Southampton 56
- Southamton 1
- Southboro 8
- Southborough 537
- Southbridge 653
- Southfield 1
- Southwick 86
- Spencer 137
- Spfld 4
- Spingfield 1
- Spld 1
- Sprinfield 1
- Springfeld 1
- Springfied 1
- Springfiel 1
- Springfield 9,504
- Squantum 2
- St. Paul 1
- Starbridge 1
- Staughton 1
- Ste 1400 1
- Sterling 86
- Still River 2
- Stockbridge 107
- Stoneham 666
- Stonghton 1
- Stooghton 1
- Stoughton 1,050
- Stoutghton 1
- Stow 76
- Sturbridge 220
- Sudbury 400
- Suite 200 Malborough 1
- Sunbury 1
- Sunderland 78
- Sutton 92
- Swampscott 306
- Swamscott 1
- Swansea 462
- Tannton 1
- Taunton 1,917
- Teaticket 47
- Templeton 39
- Tewksbury 557
- Tewsbury 2
- Thorndike 1
- Three Rivers 18
- Tisbury 5
- Tolland 2
- Topsfield 107
- Townsend 72
- Truro 8
- Turners Falls 87
- Tweksbury 1
- Tyngsboro 122
- Tyngsborough 5
- Tyringham 2
- Uphams Corner 1
- Upton 126
- Uxbridge 177
- Vineyard 2
- Vineyard Haven 183
- Vineyard Havn 1
- Waban 114
- Wakefield 864
- Wakefiled 1
- Wales 7
- Walitham 1
- Walpaz 1
- Walpole 537
- Waltham 2,572
- Waquoit 5
- Ward Hill 3
- Ware 225
- Wareham 380
- Warren 9
- Wartham 1
- Warwick 4
- Washington 1
- Watertown 1,107
- Watertwon 1
- Watham 1
- Waverly 2
- Wayland 267
- Waymouth 1
- Waynesboro 1
- Webster 268
- Welfleet 1
- Wellesley 1,431
- Wellesley Hills 265
- Wellesley Hls 4
- Wellfleet 64
- Wendell 11
- Wendell Depot 1
- Wenham 83
- West Barnstable 66
- West Borough 2
- West Boxford 1
- West Boylston 262
- West Bridgewater 199
- West Brookfield 56
- West Chatham 2
- West Concord 1
- West Dennis 9
- West Falmouth 4
- West Harwich 17
- West Hatfield 34
- West Hyannisport 1
- West Medford 1
- West Newbury 160
- West Newton 125
- West Roxbury 962
- West Roxbury- 1
- West Somerville 2
- West Sp 1
- West Springfield 1,481
- West Stockbridge 19
- West Tisbury 34
- West Townsend 6
- West Wareham 23
- West Warren 3
- West Whately 3
- West Yarmouth 155
- Westboro 34
- Westborough 816
- Westboylston 1
- Westfield 1,072
- Westford 505
- Westhampton 18
- Westminster 138
- Weston 394
- Westport 166
- Westport Point 1
- Westspringfield 1
- Westwood 624
- Weymouth 1,395
- Whately 6
- Whitam 1
- Whitinsville 278
- Whitman 193
- Whittinsville 1
- Wilbraham 271
- Wilbram 1
- Wilbrsham 1
- Willamstown 1
- Williamsburg 27
- Williamstown 170
- Wilmington 562
- Winchendon 67
- Winchendon Springs 1
- Winchester 602
- Windsor 7
- Winthrop 203
- Wobrun 1
- Wobum 1
- Woburn 2,232
- Woburn, 1
- Wocester 1
- Wollaston 15
- Woods Hole 10
- Wooster 1
- Worceater 1
- Worcerster 1
- Worcesster 1
- Worcester 14,790
- Worcester Ma 01605 1
- Worcester, Ma 1
- Worcestor 5
- Worcesyer 1
- Worceter 3
- Worchester 5
- Worcster 1
- Worester 2
- Worrester 1
- Worthington 38
- Wrentham 184
- Yarmouth 11
- Yarmouth Port 175
- Yarmouthport 6