William Patrick Ackley, M.D.

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

07112 Issued in CT

Practice address

20 York St
Ynhh Internal Medicine
New Haven, CT 06510-3220

Phone

(203) 688-4242

NPI assigned

May 12, 2017

Last updated

Sep 22, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other names 1

• William Patrick Hambley Former name

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CT

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nephrology

Education

New York University School of Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of Connecticut Health CenterGroup PAC ID 3678472016, 624 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Dci - Uconn Dialysis Center Dialysis facility, Farmington, CT, CCN 072519
• John Dempsey Hospital of the University of Connect Hospital, Farmington, CT, CCN 070036

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: wackley59581@direct.med.uchc.edu

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• University of Connecticut Health Center

  dba University Physicians

  • General Practice Physician
  • Farmington, CT
  • NPI 1720083769

  Nephrology

  Medicare reassignment Care Compare group NPD
• University of Connecticut Health Center

  dba University Physicians

  • Durable Medical Equipment & Medical Supplies
  • Farmington, CT
  • NPI 1104809375
  NPD
• University of Connecticut Health Center

  • Clinical Medical Laboratory
  • Farmington, CT
  • NPI 1427031293
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Dialysis Clinic Inc.

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Farmington, CT
  • NPI 1952320194

  Dialysis facility

  Care Compare affiliation Name & address match
• John Dempsey Hospital at Solnit - South Campus

  • Psychiatric Hospital Unit
  • Middletown, CT
  • NPI 1154263713
  Care Compare affiliation
• State of Connecticut

  • General Acute Care Hospital
  • Farmington, CT
  • NPI 1669466561
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1494547200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790035200000",
    "number": "1225565906",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "address_2": "YNHH INTERNAL MEDICINE",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103202",
            "telephone_number": "203-688-4242"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "address_2": "YNHH INTERNAL MEDICINE",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103220",
            "telephone_number": "203-688-4242"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ACKLEY",
        "first_name": "WILLIAM",
        "middle_name": "PATRICK",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-05-12",
        "last_updated": "2026-09-22",
        "certification_date": "2026-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "CT",
            "license": "07112",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "wackley59581@direct.med.uchc.edu",
            "affiliation": "N",
            "address_1": "263 Farmington Ave",
            "city": "Farmington",
            "state": "CT",
            "country_code": "US",
            "postal_code": "060308082",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "WILLIAM",
            "last_name": "HAMBLEY",
            "middle_name": "PATRICK",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Amit Chanderlal Achhra, M.D., PHD
• Carnie Lazarre Acier, MD
• Adam Lee Ackerman, MD
• Kirsten Ackerman
• Elizabeth Heartt Ackley, M.D.
• Bellanirys Acosta Arias, MD
• Elsa Katarina Acosta, MD
• Acr Counseling LLC
• Emily Suzanne Acri
• Lynn M Acton, MS

• Nephrology Physician in New Haven, CT
• Providers in New Haven, CT by specialty
• Nephrology Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 22, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.