NPI Lookup in Massachusetts
The NPI registry lists 259,380 active providers with a practice location in Massachusetts, across 849 cities and towns.
Largest cities
- Boston 44,323
- Worcester 14,692
- Springfield 9,467
- Cambridge 5,834
- Brockton 5,059
- Milford 3,696
- Framingham 3,635
- Fall River 3,590
- Lowell 3,512
- Newton 3,393
- Marlborough 3,338
- Quincy 3,262
- Brookline 2,899
- Burlington 2,859
- Lawrence 2,696
- New Bedford 2,649
- Pittsfield 2,627
- Beverly 2,583
- Waltham 2,551
- Plymouth 2,387
- Lynn 2,378
- Danvers 2,366
- Woburn 2,226
- Holyoke 2,183
Top specialties in Massachusetts
- Mental Health Counselor 19,842
- Clinical Social Worker 19,099
- Behavior Technician 11,652
- Student in an Organized Health Care Education/Training Program 11,179
- Counselor 9,151
- Physical Therapist 7,789
- Internal Medicine Physician 7,658
- Pharmacist 6,018
- Social Worker 5,646
- Developmental Therapist 5,268
- General Practice Dentistry 5,266
- Behavior Analyst 5,090
- Registered Nurse 5,031
- Family Nurse Practitioner 4,839
- Physician Assistant 4,765
- Speech-Language Pathologist 4,315
- Dentist 3,864
- Occupational Therapist 3,756
- Nurse Practitioner 3,570
- Clinical Psychologist 3,556
- Psychiatry Physician 3,110
- Pediatrics Physician 2,871
- Psychiatric/Mental Health Nurse Practitioner 2,762
- Family Medicine Physician 2,644
- Psychologist 2,588
- Registered Dietitian 2,559
- Chiropractor 2,503
- Addiction (Substance Use Disorder) Counselor 2,461
- Anesthesiology Physician 2,222
- Optometrist 2,163
- Home Health Agency 2,081
- Case Manager/Care Coordinator 2,075
- Emergency Medicine Physician 1,920
- Diagnostic Radiology Physician 1,792
- Licensed Practical Nurse 1,556
- Specialist 1,538
- Acupuncturist 1,497
- Adult Health Nurse Practitioner 1,491
- Certified Registered Nurse Anesthetist 1,366
- Pediatric Nurse Practitioner 1,323
All cities in Massachusetts (A–Z)
- 251 Waltham St 1
- 688 1
- Abington 191
- Accord 2
- Acton 696
- Acushnet 67
- Adams 102
- Agawam 336
- Agawan 1
- Alford 3
- Algonac 1
- Allson 1
- Allston 734
- Alston 1
- Amesbury 616
- Amherst 892
- Amhert 1
- Andover 1,014
- Andover Ma 1
- Andovor 1
- Aquinnah 5
- Arlington 1,193
- Arlinton 1
- Ashburham 1
- Ashburnham 56
- Ashby 26
- Ashfield 16
- Ashland 210
- Ashley Falls 2
- Assonet 46
- Athol 265
- Atteboro 1
- Attle Boro 1
- Attleboro 1,475
- Attleboro Falls 17
- Auburn 566
- Auburndale 194
- Auxbury 1
- Avon 80
- Ayer 184
- Babson Park 12
- Baldwinville 63
- Baltimore 1
- Bangor 2
- Barnstable 46
- Barre 103
- Barre Plains 1
- Becket 14
- Bedford 935
- Belchertown 191
- Bellingham 181
- Belmont 1,129
- Bemont 1
- Berkley 51
- Berlin 43
- Bernardston 11
- Beverly 2,583
- Beverly Farms 2
- Billerica 340
- Blackstone 48
- Blandford 1
- Bolton 67
- Bondsville 1
- Boson 1
- Bosoton 1
- Bost 1
- Boston 44,323
- Boston College 2
- Boston Ma 02118-2908 1
- Boston, Boston 1
- Boston, Ma 1
- Boston(617)-638-8000 1
- Bourne 136
- Boxboro 3
- Boxborough 47
- Boxford 89
- Boylston 52
- Brackton 1
- Bradford 95
- Brain Tree 1
- Braintree 1,273
- Brant Rock 1
- Brattleboro 2
- Brewster 186
- Bridgewater 458
- Brighten 1
- Brighton 1,883
- Brighton-Boston 1
- Brignton 1
- Brimfield 29
- Broackton 1
- Broadview Hts 1
- Brocktom 1
- Brockton 5,059
- Brockton, Ma 1
- Brocktown 1
- Brokton 1
- Brookfield 13
- Brookline 2,899
- Brookline Village 2
- Brooklyn 1
- Bruckton 1
- Bryantville 1
- Buckland 1
- Burlington 2,859
- Buzzard Bay 1
- Buzzards Bay 167
- Byfield 35
- Cambridge 5,834
- Cambridge Street 1
- Cambrige 2
- Canton 696
- Cape Cod 1
- Carlisle 49
- Carver 78
- Cataumet 15
- Centerville 162
- Centetrville 1
- Charlemont 4
- Charleston 2
- Charlestown 498
- Charlton 183
- Chatham 58
- Chelmford 1
- Chelmsford 1,217
- Chelsea 1,119
- Chelsford 1
- Chelsmford 1
- Cherry Valley 16
- Cheshire 9
- Chesnut Hill 1
- Chester 4
- Chesterfield 5
- Chestnut Hill 909
- Chestnut Mill 1
- Chestnuthill 1
- Chicopee 893
- Chilmark 10
- Chimark 1
- Cincinnati 1
- Clarksburg 7
- Clinton 141
- Cohasset 183
- Colrain 6
- Concord 1,344
- Conway 16
- Cotuit 42
- Cranston 1
- Cummaquid 1
- Cummington 19
- Dalton 61
- Danvers 2,366
- Dartmouth 633
- Ded Ham 1
- Dedham 1,151
- Dednam 1
- Deerfield 19
- Dennis 33
- Dennis Port 19
- Dennisport 1
- Devens 49
- Dighton 25
- Dorcester 1
- Dorchester 1,988
- Dorchester Center 242
- Douglas 48
- Dover 49
- Dracut 391
- Drury 2
- Dudley 76
- Dudley Hill 1
- Dunstable 14
- Duxbury 288
- E Boston 2
- E Bridgewater 19
- E Falmouth 6
- E Harwich 2
- E Long Meadow 1
- E Longmeadow 23
- E Sandwich 15
- E Templeton 1
- E Wareham 6
- E Watertown 1
- E. Dennis 1
- E. Freetown 1
- E. Orleans 1
- E. Walpole 3
- East Boston 663
- East Bridgewater 202
- East Brookfield 16
- East Cambridge 6
- East Dennis 5
- East Douglas 4
- East Falmouth 105
- East Freetown 27
- East Harwich 10
- East Lansing 1
- East Long Meadow 2
- East Longmeadow 436
- East Lynn 1
- East Orleans 2
- East Sandwic 1
- East Sandwich 150
- East Taunton 38
- East Templeton 1
- East Walpole 48
- East Wareham 68
- East Watertown 2
- East Weymouth 41
- Eastham 42
- Easthamptom 1
- Easthampton 504
- Easton 16
- Edgartown 68
- Edgertown 1
- Erving 19
- Essex 28
- Everett 600
- Everette 1
- Fairhaven 334
- Fairheaven 1
- Fall River 3,590
- Fallriver 1
- Falmouth 678
- Farmingham 1
- Fayville 1
- Feeding Hills 177
- Fell River 1
- Fiskdale 30
- Fitchberg 1
- Fitchburg 1,355
- Flint 1
- Florence 372
- Florida 4
- Forestdale 77
- Foxboro 379
- Foxborough 193
- Fraingham 1
- Fram 2
- Framignham 1
- Framimgham 1
- Framingham 3,635
- Framinghman 1
- Franklin 640
- Freetown 1
- Fruit St 1
- Gand Rapids 1
- Garder 1
- Gardner 725
- Georgetown 103
- Gibsonia 1
- Gilbertville 4
- Gill 6
- Gloucester 626
- Goshen 9
- Grafton 55
- Granby 36
- Granville 4
- Great Barrington 353
- Greenbelt 1
- Greenfield 1,407
- Greenfiled 1
- Groton 180
- Groveland 77
- GT Barrington 34
- Hadlen 1
- Hadley 246
- Halifax 53
- Hamilton 5
- Hampden 37
- Hancock 3
- Hanover 410
- Hanscom Afb 74
- Hanson 83
- Hardwick 5
- Harvard 128
- Harwich 165
- Harwich Center 1
- Harwich Port 63
- Hatfield 33
- Hathorne 9
- Havenhill 1
- Haverhiill 1
- Haverhill 1,461
- Hawley 2
- Haydenville 22
- Heath 4
- Hingham 812
- Hinsdale 10
- Hokyoke 1
- Holbrook 135
- Holden 295
- Holland 6
- Holliston 193
- Holyohe 1
- Holyoke 2,183
- Hopedal 1
- Hopedale 79
- Hopkinton 299
- Housatonic 10
- Hubbardston 30
- Hudson 497
- Hudsonhudson 1
- Hull 102
- Huntington 34
- Hyannis 1,734
- Hyannis Port 3
- Hyarnis 1
- Hyde Park 492
- Indian Orchard 51
- Ipswich 241
- Ipswitch 2
- Jamacia Plain 1
- Jamaica Plain 1,810
- Jamaica Plains 1
- Jamaicl Plain 1
- Jamica Plain 2
- Jefferson 21
- Kensington 1
- Kingston 256
- Lake Pleasant 3
- Lakeville 194
- Lancaster 117
- Lanesboro 19
- Lanesborough 16
- Laplata 1
- Larwrence 1
- Laurence 1
- Lawernce 1
- Lawrence 2,696
- Leaminster 1
- Lee 135
- Leeds 393
- Leicester 78
- Leminster 1
- Lenox 151
- Lenox Dale 2
- Leom 1
- Leominister 2
- Leominster 1,482
- Leomister 1
- Leverett 32
- Lexington 1,732
- Lexinton 1
- Leyden 3
- Lincoln 90
- Linfield 1
- Linwood 2
- Littleton 158
- Longmeadow 631
- Lowell 3,512
- Ludlow 240
- Lunenberg 1
- Lunenburg 296
- Lynn 2,378
- Lynnfield 225
- Ma 4
- Mablen 1
- Malborough 4
- Malden 1,305
- Manassas 1
- Manchaug 1
- Manchester 94
- Manchester BY the Sea 19
- Mansfield 428
- Marblehead 334
- Mariborough 1
- Marion 135
- Marlboro 33
- Marlborogh 1
- Marlborough 3,338
- Marlborugh 1
- Marlbrough 1
- Marshfield 344
- Marshfield Hills 1
- Marstons Mills 74
- Mashpee 443
- Massachusetts 1
- Mattapan 348
- Mattapoisett 86
- Mattapoisette 1
- Maynard 140
- Medfield 269
- Medford 1,371
- Medway 244
- Melrose 622
- Melthuen 1
- Mendon 52
- Merrimac 68
- Metheun 2
- Methoen 1
- Methuan 1
- Methuen 1,198
- Methurn 1
- Methven 2
- Meuthen 1
- Middleboro 466
- Middleborough 3
- Middleton 186
- Middletown 1
- Milbury 2
- Mildford 1
- Milford 3,696
- Milfordm 1
- Millbury 193
- Millers Falls 4
- Millford 1
- Millis 117
- Millville 10
- Milton 570
- Milton Village 4
- Monponsett 2
- Monson 51
- Montague 17
- Monterey 13
- Monterry 1
- Montgomery 8
- Monument Beach 5
- Mount Hermon 2
- Mt. Clemens 1
- N Adams 1
- N Andover 19
- N Attleboro 23
- N Billerica 15
- N Brookfield 4
- N Chatham 1
- N Chelmsford 76
- N Dartmouth 123
- N Dighton 2
- N Eastham 1
- N Easton 3
- N Falmouth 12
- N Reading 2
- N Weymouth 4
- N. Cambridge 2
- N. Grafton 1
- N. Quincy 1
- Nahant 19
- Nantucket 275
- Natick 1,423
- Needham 1,514
- Needham Heights 78
- New 1
- New Bedford 2,649
- New Bedform 1
- New Benford 1
- New Besford 1
- New Braintree 4
- New Marlborough 7
- New Salem 6
- New York 1
- Newbedford 1
- Newbury 59
- Newbury Port 1
- Newburyport 753
- Newton 3,393
- Newton Center 113
- Newton Centre 185
- Newton Corner 2
- Newton Ctr 3
- Newton Highlands 83
- Newton L F 1
- Newton Lower Falls 40
- Newton Upper Falls 62
- Newtonville 77
- Newtown 2
- Newtown Highlands 1
- No Andover 2
- No Attleboro 1
- No Dartmouth 3
- No Easton 1
- No Grafton 1
- No Marshfield 1
- No Quincy 3
- No Reading 3
- No. Billerica 1
- No. Chelmsford 1
- No. Truro 1
- Nor 1
- Norfolk 145
- Norht Eastham 1
- Norht Easton 1
- Nort Andover 1
- North Adams 400
- North Andover 1,174
- North Andovor 1
- North Attleboro 368
- North Billerica 109
- North Brookfield 26
- North Cambridge 7
- North Chatham 29
- North Chelmsford 240
- North Dart Mouth 1
- North Dartmouth 446
- North Dighton 37
- North Eastham 9
- North Easton 400
- North Falmouth 66
- North Grafton 166
- North Hampton 4
- North Hatfield 2
- North Highlands 1
- North Oxford 25
- North Quincy 83
- North Reading 215
- North Scituate 2
- North Truro 2
- North Waltham 2
- North Weymouth 14
- Northampton 2,132
- Northboro 12
- Northborough 452
- Northbridge 60
- Northfield 18
- Northfolk 1
- Northhampton 9
- Norton 327
- Norwell 1,155
- Norwood 1,551
- Norwwod 1
- Noth Attleboro 1
- Oak Bluff 1
- Oak Bluffs 168
- Oakbluffs 1
- Oakham 10
- Ocean Bluff 2
- Onset 12
- Orange 128
- Orleans 179
- Ossipee 1
- Osterville 64
- Otis 6
- Otis Angb 1
- Oxford 137
- Palmer 293
- Paxton 46
- Peabody 1,647
- Pebody 1
- Pelham 18
- Pembroke 360
- Pepperell 104
- Peru 1
- Peterborough 1
- Petersham 20
- Phillipston 15
- Pittfield 1
- Pittfsfield 1
- Pittsfield 2,627
- Pittsfiled 2
- Plainfield 5
- Plainville 253
- Plymouth 2,387
- Plympton 21
- Pocasset 283
- Prides Crossing 5
- Princeton 31
- Provinceown 1
- Provincetown 103
- Quincy 3,262
- Quincy Centre 1
- Ran River 1
- Randoloh 1
- Randolph 1,185
- Ratnham 1
- Raynham 311
- Reading 444
- Rehoboth 125
- Revere 603
- Richmond 10
- Riverdale 1
- Rochdale 35
- Rochester 204
- Rockland 195
- Rockport 63
- Rondolph 1
- Roslindale 776
- Roslindalle 1
- Rowe 3
- Rowley 105
- Roxbury 1,154
- Roxbury Crossing 222
- Royalston 7
- Russell 6
- Rutland 84
- S Attleboro 8
- S Chatham 1
- S Deerfield 5
- S Dennis 4
- S Easton 2
- S Hamilton 14
- S Weymouth 56
- S Yarmouth 64
- S. Dartmouth 9
- S. Hadley 1
- S. Lancaster 1
- Sagamore 6
- Sagamore Beach 30
- Saginaw 1
- Salem 2,153
- Salisbury 84
- Sandisfield 8
- Sandwich 226
- Sanwich 1
- Saugus 390
- Savoy 3
- Scarborough 1
- Scituate 229
- Seekonk 240
- Shapiro 9, Suite a 1
- Sharon 311
- Sheffield 23
- Shelburne 1
- Shelburne Falls 68
- Sherborn 51
- Shiney 1
- Shirley 73
- Shrewbury 3
- Shrewsburry 1
- Shrewsbury 700
- Shutesbury 16
- Siasconset 1
- So Deerfield 4
- So Easton 1
- So Hadley 3
- So Hamilton 2
- So. Dennis 1
- So. Weymouth 4
- Somerset 235
- Somerville 2,141
- Somerville Ma 1
- Somervillle 2
- Sommerville 2
- Soughton 1
- South Attleboro 63
- South Attlevoro 1
- South Barre 5
- South Boroulh 1
- South Boston 282
- South Bridge 1
- South Carver 1
- South Chatham 9
- South Dartmouth 37
- South Deerfield 127
- South Dennis 118
- South Easton 213
- South Egremont 8
- South Grafton 19
- South Hadley 413
- South Hamilton 131
- South Lancaster 9
- South Natick 2
- South Orleans 3
- South Walpole 5
- South Waltham 2
- South Wellfleet 4
- South Weumouth 1
- South Weymouth 526
- South Yarmouth 296
- Southampton 56
- Southamton 1
- Southboro 8
- Southborough 534
- Southbridge 650
- Southfield 1
- Southwick 86
- Spencer 137
- Spfld 4
- Spingfield 1
- SPLD 1
- Sprinfield 1
- Springfeld 1
- Springfied 1
- Springfiel 1
- Springfield 9,467
- Squantum 2
- St Paul 1
- Starbridge 1
- Staughton 1
- Ste. 1400 1
- Sterling 86
- Still River 2
- Stockbridge 106
- Stoneham 664
- Stonghton 1
- Stooghton 1
- Stoughton 1,038
- Stoutghton 1
- Stow 74
- Sturbridge 217
- Sudbury 400
- Suite 200 Malborough 1
- Sunbury 1
- Sunderland 78
- Sutton 92
- Swampscott 306
- Swamscott 1
- Swansea 462
- Tannton 1
- Taunton 1,903
- Teaticket 48
- Templeton 40
- Tewksbury 557
- Tewsbury 2
- Thorndike 1
- Three Rivers 18
- Tisbury 5
- Tolland 2
- Topsfield 105
- Townsend 72
- Truro 8
- Turners Falls 87
- Tweksbury 1
- Tyngsboro 121
- Tyngsborough 4
- Tyringham 2
- Uphams Corner 1
- Upton 125
- Uxbridge 177
- Vineyard 2
- Vineyard Haven 181
- Vineyard Havn 1
- W Barnstable 6
- W Brookfield 6
- W Hatfield 2
- W Hyannisport 1
- W Newton 1
- W Roxbury 6
- W Somerville 1
- W Springfield 39
- W Yarmouth 17
- W. Boylston 1
- W. Bridgewater 11
- W. Newbury 2
- W. Stockbridge 4
- W. Tisbury 2
- W. Warren 1
- Waban 114
- Wakefield 853
- Wakefiled 1
- Wales 7
- Walitham 1
- Walpaz 1
- Walpole 537
- Waltham 2,551
- Waquoit 5
- Ward Hill 3
- Ware 227
- Wareham 380
- Warren 9
- Wartham 1
- Warwick 4
- Washington 1
- Watertown 1,093
- Watertwon 1
- Watham 1
- Waverly 2
- Wayland 267
- Waymouth 1
- Waynesboro 1
- Webster 262
- Welfleet 1
- Wellesley 1,419
- Wellesley Hills 264
- Wellesley HLS 4
- Wellfleet 65
- Wendell 11
- Wendell Depot 1
- Wenham 83
- West Barnstable 58
- West Borough 2
- West Boxford 1
- West Boylston 259
- West Bridgewater 190
- West Brookfield 48
- West Chatham 2
- West Concord 1
- West Dennis 9
- West Falmouth 4
- West Harwich 17
- West Hatfield 32
- West Medford 1
- West Newbury 154
- West Newton 123
- West Roxbury 955
- West Somerville 1
- West SP 1
- West Springfield 1,432
- West Stockbridge 15
- West Tisbury 32
- West Townsend 6
- West Wareham 23
- West Warren 2
- West Whately 3
- West Yarmouth 135
- Westboro 34
- Westborough 814
- Westboylston 1
- Westfield 1,063
- Westford 501
- Westhampton 18
- Westminster 138
- Weston 392
- Westport 165
- Westport Point 1
- Westspringfield 1
- Westwood 623
- Weymouth 1,388
- Whately 6
- Whitam 1
- Whitinsville 277
- Whitman 192
- Whittinsville 1
- Wilbraham 270
- Wilbram 1
- Wilbrsham 1
- Willamstown 1
- Williamsburg 27
- Williamstown 172
- Wilmington 559
- Winchendon 65
- Winchendon SPG 1
- Winchester 597
- Windsor 7
- Winthrop 205
- Wobrun 1
- Wobum 1
- Woburn 2,226
- Wocester 1
- Wollaston 15
- Woods Hole 10
- Wooster 1
- Worceater 1
- Worcerster 1
- Worcesster 1
- Worcester 14,692
- Worcester Ma 01605 1
- Worcester, Ma 1
- Worcestor 5
- Worcesyer 1
- Worceter 3
- Worchester 5
- Worcster 1
- Worester 2
- Worrester 1
- Worthington 38
- Wrentham 183
- Yarmouth 11
- Yarmouth Port 174
- Yarmouthport 6