{
 "generated": "2026-08-06",
 "license": "CC-BY 4.0",
 "attribution": "EMR Match Research, EMR Market Share by Specialty, 2026 edition",
 "source": "CMS NPPES July 2026 dissemination (9,671,888 records) joined to the NPPES endpoint reference file (600,750 rows)",
 "method": "A provider is counted when the Direct-messaging endpoint registered against their NPI sits on a registrable domain owned by an EMR vendor. Providers are assigned to a specialty from their primary NUCC taxonomy code at full 10-character precision.",
 "n_total_identified": 37310,
 "min_n_published": 50,
 "overall": [
  {
   "vendor": "athenahealth",
   "n": 9098,
   "pct": 24.4
  },
  {
   "vendor": "Oracle Health (Cerner)",
   "n": 7621,
   "pct": 20.4
  },
  {
   "vendor": "eClinicalWorks",
   "n": 5677,
   "pct": 15.2
  },
  {
   "vendor": "NextGen",
   "n": 5002,
   "pct": 13.4
  },
  {
   "vendor": "Veradigm (Allscripts)",
   "n": 4925,
   "pct": 13.2
  },
  {
   "vendor": "Modernizing Medicine",
   "n": 1398,
   "pct": 3.7
  },
  {
   "vendor": "Greenway Health",
   "n": 937,
   "pct": 2.5
  },
  {
   "vendor": "MEDENT",
   "n": 803,
   "pct": 2.2
  },
  {
   "vendor": "Epic",
   "n": 698,
   "pct": 1.9
  },
  {
   "vendor": "Practice Fusion",
   "n": 368,
   "pct": 1.0
  },
  {
   "vendor": "Aprima/eMDs",
   "n": 210,
   "pct": 0.6
  },
  {
   "vendor": "Compulink",
   "n": 203,
   "pct": 0.5
  },
  {
   "vendor": "AdvancedMD",
   "n": 131,
   "pct": 0.4
  },
  {
   "vendor": "Exscribe",
   "n": 111,
   "pct": 0.3
  },
  {
   "vendor": "Tebra (Kareo)",
   "n": 96,
   "pct": 0.3
  },
  {
   "vendor": "DrChrono",
   "n": 31,
   "pct": 0.1
  },
  {
   "vendor": "Office Ally",
   "n": 1,
   "pct": 0.0
  }
 ],
 "specialties": {
  "Family Medicine": {
   "n": 10004,
   "top": [
    {
     "vendor": "athenahealth",
     "pct": 32.1
    },
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 21.1
    },
    {
     "vendor": "eClinicalWorks",
     "pct": 15.3
    }
   ]
  },
  "Internal Medicine": {
   "n": 3659,
   "top": [
    {
     "vendor": "athenahealth",
     "pct": 30.8
    },
    {
     "vendor": "eClinicalWorks",
     "pct": 17.5
    },
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 17.1
    }
   ]
  },
  "Obstetrics & Gynecology": {
   "n": 2175,
   "top": [
    {
     "vendor": "eClinicalWorks",
     "pct": 24.7
    },
    {
     "vendor": "athenahealth",
     "pct": 23.1
    },
    {
     "vendor": "NextGen",
     "pct": 22.6
    }
   ]
  },
  "General Surgery": {
   "n": 1904,
   "top": [
    {
     "vendor": "eClinicalWorks",
     "pct": 26.2
    },
    {
     "vendor": "athenahealth",
     "pct": 20.4
    },
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 19.6
    }
   ]
  },
  "Pediatrics": {
   "n": 1433,
   "top": [
    {
     "vendor": "athenahealth",
     "pct": 25.2
    },
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 24.1
    },
    {
     "vendor": "eClinicalWorks",
     "pct": 16.5
    }
   ]
  },
  "Cardiology": {
   "n": 1360,
   "top": [
    {
     "vendor": "athenahealth",
     "pct": 25.5
    },
    {
     "vendor": "eClinicalWorks",
     "pct": 21.0
    },
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 19.3
    }
   ]
  },
  "Orthopedics": {
   "n": 1220,
   "top": [
    {
     "vendor": "athenahealth",
     "pct": 31.1
    },
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 15.7
    },
    {
     "vendor": "eClinicalWorks",
     "pct": 14.5
    }
   ]
  },
  "Dermatology": {
   "n": 663,
   "top": [
    {
     "vendor": "Modernizing Medicine",
     "pct": 79.9
    },
    {
     "vendor": "NextGen",
     "pct": 4.5
    },
    {
     "vendor": "Veradigm (Allscripts)",
     "pct": 3.9
    }
   ]
  },
  "Behavioral Health": {
   "n": 656,
   "top": [
    {
     "vendor": "NextGen",
     "pct": 30.5
    },
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 25.8
    },
    {
     "vendor": "Veradigm (Allscripts)",
     "pct": 13.4
    }
   ]
  },
  "Psychiatry": {
   "n": 622,
   "top": [
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 27.8
    },
    {
     "vendor": "NextGen",
     "pct": 16.9
    },
    {
     "vendor": "Veradigm (Allscripts)",
     "pct": 15.4
    }
   ]
  },
  "Neurology": {
   "n": 619,
   "top": [
    {
     "vendor": "eClinicalWorks",
     "pct": 24.2
    },
    {
     "vendor": "athenahealth",
     "pct": 21.8
    },
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 21.8
    }
   ]
  },
  "Ophthalmology": {
   "n": 592,
   "top": [
    {
     "vendor": "NextGen",
     "pct": 50.3
    },
    {
     "vendor": "Modernizing Medicine",
     "pct": 15.4
    },
    {
     "vendor": "Compulink",
     "pct": 13.7
    }
   ]
  },
  "Pulmonology": {
   "n": 548,
   "top": [
    {
     "vendor": "Veradigm (Allscripts)",
     "pct": 28.6
    },
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 19.2
    },
    {
     "vendor": "athenahealth",
     "pct": 17.3
    }
   ]
  },
  "Gastroenterology": {
   "n": 486,
   "top": [
    {
     "vendor": "Veradigm (Allscripts)",
     "pct": 27.0
    },
    {
     "vendor": "athenahealth",
     "pct": 21.6
    },
    {
     "vendor": "eClinicalWorks",
     "pct": 16.9
    }
   ]
  },
  "Physical Therapy": {
   "n": 413,
   "top": [
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 37.0
    },
    {
     "vendor": "athenahealth",
     "pct": 20.3
    },
    {
     "vendor": "Veradigm (Allscripts)",
     "pct": 16.0
    }
   ]
  },
  "Emergency Medicine": {
   "n": 405,
   "top": [
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 61.7
    },
    {
     "vendor": "athenahealth",
     "pct": 15.1
    },
    {
     "vendor": "Epic",
     "pct": 11.4
    }
   ]
  },
  "Optometry": {
   "n": 397,
   "top": [
    {
     "vendor": "NextGen",
     "pct": 43.6
    },
    {
     "vendor": "Compulink",
     "pct": 25.4
    },
    {
     "vendor": "Modernizing Medicine",
     "pct": 17.4
    }
   ]
  },
  "Urology": {
   "n": 391,
   "top": [
    {
     "vendor": "Veradigm (Allscripts)",
     "pct": 32.2
    },
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 22.0
    },
    {
     "vendor": "athenahealth",
     "pct": 17.6
    }
   ]
  },
  "Otolaryngology (ENT)": {
   "n": 368,
   "top": [
    {
     "vendor": "Veradigm (Allscripts)",
     "pct": 32.1
    },
    {
     "vendor": "athenahealth",
     "pct": 24.5
    },
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 11.1
    }
   ]
  },
  "Rheumatology": {
   "n": 347,
   "top": [
    {
     "vendor": "NextGen",
     "pct": 52.4
    },
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 12.4
    },
    {
     "vendor": "Veradigm (Allscripts)",
     "pct": 9.2
    }
   ]
  },
  "Podiatry": {
   "n": 303,
   "top": [
    {
     "vendor": "athenahealth",
     "pct": 18.5
    },
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 17.8
    },
    {
     "vendor": "NextGen",
     "pct": 13.9
    }
   ]
  },
  "Oncology": {
   "n": 299,
   "top": [
    {
     "vendor": "NextGen",
     "pct": 31.4
    },
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 23.1
    },
    {
     "vendor": "Veradigm (Allscripts)",
     "pct": 22.1
    }
   ]
  },
  "Nephrology": {
   "n": 239,
   "top": [
    {
     "vendor": "athenahealth",
     "pct": 21.3
    },
    {
     "vendor": "eClinicalWorks",
     "pct": 20.5
    },
    {
     "vendor": "Veradigm (Allscripts)",
     "pct": 20.1
    }
   ]
  },
  "Endocrinology": {
   "n": 220,
   "top": [
    {
     "vendor": "Veradigm (Allscripts)",
     "pct": 25.9
    },
    {
     "vendor": "athenahealth",
     "pct": 23.2
    },
    {
     "vendor": "eClinicalWorks",
     "pct": 15.9
    }
   ]
  },
  "Occupational Therapy": {
   "n": 85,
   "top": [
    {
     "vendor": "Oracle Health (Cerner)",
     "pct": 64.7
    },
    {
     "vendor": "Greenway Health",
     "pct": 12.9
    },
    {
     "vendor": "athenahealth",
     "pct": 7.1
    }
   ]
  },
  "Allergy & Immunology": {
   "n": 75,
   "top": [
    {
     "vendor": "Veradigm (Allscripts)",
     "pct": 46.7
    },
    {
     "vendor": "NextGen",
     "pct": 10.7
    },
    {
     "vendor": "eClinicalWorks",
     "pct": 10.7
    }
   ]
  }
 },
 "specialties_below_threshold": {
  "Speech Therapy": 48,
  "Chiropractic": 37,
  "Urgent Care": 9
 },
 "states": [
  {
   "state": "IN",
   "leader": "athenahealth",
   "pct": 39.3,
   "n": 3214
  },
  {
   "state": "FL",
   "leader": "eClinicalWorks",
   "pct": 35.6,
   "n": 3022
  },
  {
   "state": "OH",
   "leader": "Veradigm (Allscripts)",
   "pct": 56.5,
   "n": 2418
  },
  {
   "state": "TX",
   "leader": "athenahealth",
   "pct": 38.6,
   "n": 2098
  },
  {
   "state": "IL",
   "leader": "Veradigm (Allscripts)",
   "pct": 38.7,
   "n": 2064
  },
  {
   "state": "PA",
   "leader": "MEDENT",
   "pct": 27.2,
   "n": 1687
  },
  {
   "state": "WI",
   "leader": "Oracle Health (Cerner)",
   "pct": 83.0,
   "n": 1528
  },
  {
   "state": "GA",
   "leader": "athenahealth",
   "pct": 31.9,
   "n": 1469
  },
  {
   "state": "SC",
   "leader": "Epic",
   "pct": 45.7,
   "n": 1352
  },
  {
   "state": "NY",
   "leader": "NextGen",
   "pct": 30.2,
   "n": 1345
  },
  {
   "state": "TN",
   "leader": "Oracle Health (Cerner)",
   "pct": 36.6,
   "n": 1309
  },
  {
   "state": "CA",
   "leader": "Oracle Health (Cerner)",
   "pct": 44.6,
   "n": 1289
  },
  {
   "state": "MI",
   "leader": "NextGen",
   "pct": 30.6,
   "n": 1067
  },
  {
   "state": "NJ",
   "leader": "athenahealth",
   "pct": 52.6,
   "n": 1016
  },
  {
   "state": "VA",
   "leader": "athenahealth",
   "pct": 26.6,
   "n": 931
  }
 ]
}