{
  "npi": "1225565906",
  "enumeration_type": "NPI-1",
  "basic": {
    "certification_date": "2026-09-22",
    "credential": "M.D.",
    "enumeration_date": "2017-05-12",
    "first_name": "WILLIAM",
    "last_name": "ACKLEY",
    "last_updated": "2026-09-22",
    "middle_name": "PATRICK",
    "name_prefix": "Dr.",
    "sex": "M",
    "sole_proprietor": "NO",
    "status": "A"
  },
  "addresses": [
    {
      "address_1": "20 YORK ST",
      "address_2": "YNHH INTERNAL MEDICINE",
      "address_purpose": "MAILING",
      "address_type": "DOM",
      "city": "NEW HAVEN",
      "country_code": "US",
      "country_name": "United States",
      "postal_code": "065103202",
      "state": "CT",
      "telephone_number": "203-688-4242"
    },
    {
      "address_1": "20 YORK ST",
      "address_2": "YNHH INTERNAL MEDICINE",
      "address_purpose": "LOCATION",
      "address_type": "DOM",
      "city": "NEW HAVEN",
      "country_code": "US",
      "country_name": "United States",
      "postal_code": "065103220",
      "state": "CT",
      "telephone_number": "203-688-4242"
    }
  ],
  "taxonomies": [
    {
      "code": "390200000X",
      "desc": "Student in an Organized Health Care Education/Training Program",
      "license": null,
      "primary": false,
      "state": null,
      "taxonomy_group": ""
    },
    {
      "code": "207RN0300X",
      "desc": "Internal Medicine, Nephrology",
      "license": "07112",
      "primary": true,
      "state": "CT",
      "taxonomy_group": ""
    }
  ],
  "compliance": {
    "oig_leie_exclusion": {
      "excluded": false,
      "status": "CLEAR",
      "matches": [],
      "totalDbRecords": 84224
    },
    "cms_pecos_eligibility": {
      "NPI": "1225565906",
      "LAST_NAME": "ACKLEY",
      "FIRST_NAME": "WILLIAM",
      "PARTB": "Y",
      "DME": "Y",
      "HHA": "Y",
      "PMD": "Y",
      "HOSPICE": "Y"
    }
  },
  "medicare_utilization": {
    "total_beneficiaries": "179",
    "total_services": "1030",
    "total_medicare_allowed_amt": "74912.02",
    "top_hcpcs_services": [
      {
        "code": "90935",
        "description": "Hemodialysis procedure with physician evaluation",
        "services": "61",
        "beneficiaries": "24"
      },
      {
        "code": "90960",
        "description": "Dialysis services, 4 or more physician visits per month (20 years or older)",
        "services": "62",
        "beneficiaries": "33"
      },
      {
        "code": "90961",
        "description": "Dialysis services, 2-3 physician visits per month (20 years or older)",
        "services": "14",
        "beneficiaries": "11"
      },
      {
        "code": "90970",
        "description": "Dialysis services, per day, less than full month service (20 years or older)",
        "services": "444",
        "beneficiaries": "13"
      },
      {
        "code": "99204",
        "description": "New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more",
        "services": "12",
        "beneficiaries": "12"
      },
      {
        "code": "99213",
        "description": "Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more",
        "services": "11",
        "beneficiaries": "11"
      },
      {
        "code": "99214",
        "description": "Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more",
        "services": "92",
        "beneficiaries": "54"
      },
      {
        "code": "99215",
        "description": "Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more",
        "services": "16",
        "beneficiaries": "13"
      }
    ]
  },
  "enrichment": {
    "plain_english_specialty": "Board-Certified Nephrologist (Kidney Function, Stones & Dialysis Specialist)",
    "certifying_board": "American Board of Internal Medicine — Nephrology",
    "cms_medicare_crosswalk": [
      {
        "medicare_code": "11",
        "medicare_type": "Physician/Internal Medicine"
      },
      {
        "medicare_code": "39",
        "medicare_type": "Physician/Nephrology"
      }
    ]
  }
}