Individual provider Active NPI

Dyann Holloway Daley, M.D.

  • Anesthesiology Physician
  • New Haven, CT
National Provider Identifier
1528027216
Registry record updated Jan 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
80907 Issued in CT
Practice address
333 Cedar St
New Haven, CT 06510-3206
Phone
(203) 384-3716
NPI assigned
Mar 21, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 21, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 92182 SC
Pediatric Anesthesiology Physician 207LP3000X M4816 TX
Anesthesiology Physician 207L00000X DR.0065502 CO
Anesthesiology Physician 207L00000X 80907 CT Primary

Addresses

Primary practice location

333 Cedar St
New Haven, CT 06510-3206

Mailing address

333 Cedar St
New Haven, CT 06510-3206

Other practice location 1

4450 Arapahoe Ave Ste 100
Boulder, CO 80303-9102
Phone (707) 320-7161

Other practice location 2

7 Independence Pt Ste 300
Greenville, SC 29615-4569
Phone (864) 522-3700

Other practice location 3

4845 Alameda Ave
El Paso, TX 79905-2705
Phone (915) 298-5444

Other identifiers 3

IdentifierTypeStateIssuer
185342603MedicaidTX
185342604OtherTXCSHCN
88418YOtherTXBCBS

Other names 1

  • Dyann Holloway Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, CO, SC, CT4 enrollments
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 4

Enrollment IDStateProvider typePAC IDDetails
I20070209000340 TX Practitioner - AnesthesiologyPractitioner - Pediatric Medicine 5890704696 Reassigns benefits to 2 organizations
I20210506002762 CO Practitioner - Anesthesiology 5890704696 Reassigns benefits to 1 organization
I20240805002220 SC Practitioner - Anesthesiology 5890704696 Reassigns benefits to 1 organization
I20251113002136 CT Practitioner - Anesthesiology 5890704696 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Yale UniversityGroup PAC ID 9436061736, 2,632 clinicians
Boulder Valley Anesthesiology, PLLCGroup PAC ID 7113830993, 61 clinicians

Practice addresses (Care Compare)

267 Grant St
Bridgeport, CT 06610-2805
Phone (203) 384-3000

4747 Arapahoe Ave
Boulder, CO 80303-1131
Phone (303) 415-7000

Hospital & facility affiliations

  • Longs Peak Hospital Hospital, Longmont, CO, CCN 060128
  • Bridgeport Hospital Hospital, Bridgeport, CT, CCN 070010
  • Boulder Community Health Hospital, Boulder, CO, CCN 060027

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
DR.0065502COMDAnesthesiology Physician
80907CTMDAnesthesiology Physician
92182SCMDAnesthesiology Physician
M4816TXMDPediatric Anesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Prisma Health University Medical Group CurrentSince Jul 1, 2024 Accepting new patients
Boulder Valley Anesthesiology, PLLC Anesthesiology CurrentSince Mar 1, 2021 Accepting new patients
Yale University Anesthesiology Current Accepting new patients
Prisma Health University Medical Group Anesthesiology CurrentSince Jul 1, 2024 Accepting new patients
Cook Children'S Physician Network Current Accepting new patients
Cook Children'S Physician Network CurrentSince Nov 1, 2010 Accepting new patients
Prisma Health University Medical Group Current Accepting new patients
Yale University CurrentSince Sep 5, 2025 Accepting new patients
Yale University CurrentSince Sep 5, 2025 Accepting new patients
El Paso Children'S Physician Group CurrentSince Feb 7, 2026 Accepting new patients

Locations

1100 Balsam Ave
Boulder, CO 80304
Phone (303) 415-7000

4747 Arapahoe Ave
Boulder, CO 80303
Phone (303) 415-7000

4450 Arapahoe Ave
Ste 100
Boulder, CO 80303
Phone (303) 415-2532

10170 Church Ranch Way
Westminster, CO 80021
Phone (303) 328-3400

267 Grant St
Bridgeport, CT 06610
Phone (203) 384-3170

333 Cedar St
New Haven, CT 06510
Phone (203) 432-4771

800 Howard Ave
New Haven, CT 06519
Phone (203) 785-2140

7 Independence Pt
Ste 300
Greenville, SC 29615
Phone (864) 522-3700

67 Creekside Park Ct
Greenville, SC 29615
Phone (864) 242-4602

300 E McBee Ave
Fl 4
Greenville, SC 29601
Phone (864) 522-8615

4845 Alameda Ave
El Paso, TX 79905
Phone (915) 215-5700

801 7th Ave
Ft Worth, TX 76104
Phone (682) 885-4054

1433 W Humbolt St
Ft Worth, TX 76104
Phone (682) 885-7085

Interoperability endpoints

  • Direct secure messaging: ddaley728817@direct.ynhh.org

Organizations & group practices 10

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

Hospital & facility affiliations 37

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

View all 37

NPI Registry JSON

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

{
    "created_epoch": "1142899200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768953600000",
    "number": "1528027216",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "333 CEDAR ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103206"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "333 CEDAR ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103206",
            "telephone_number": "203-384-3716"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4450 Arapahoe Ave Ste 100",
            "address_purpose": "LOCATION",
            "city": "Boulder",
            "state": "CO",
            "postal_code": "803039102",
            "country_code": "US",
            "telephone_number": "707-320-7161",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7 Independence Pt Ste 300",
            "address_purpose": "LOCATION",
            "city": "Greenville",
            "state": "SC",
            "postal_code": "296154569",
            "country_code": "US",
            "telephone_number": "864-522-3700",
            "fax_number": "864-522-3705",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4845 Alameda Ave",
            "address_purpose": "LOCATION",
            "city": "El Paso",
            "state": "TX",
            "postal_code": "799052705",
            "country_code": "US",
            "telephone_number": "915-298-5444",
            "fax_number": "915-298-5444",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DALEY",
        "first_name": "DYANN",
        "middle_name": "HOLLOWAY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-21",
        "last_updated": "2026-01-21",
        "certification_date": "2026-01-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "SC",
            "license": "92182",
            "primary": false
        },
        {
            "code": "207LP3000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pediatric Anesthesiology",
            "state": "TX",
            "license": "M4816",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CO",
            "license": "DR.0065502",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CT",
            "license": "80907",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "185342603",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CSHCN",
            "identifier": "185342604",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "88418Y",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "DYANN",
            "last_name": "HOLLOWAY",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.