Individual provider Active NPI

Avery F Marzulla-Dulfer, P.A.

  • Medical Physician Assistant
  • New Haven, CT
National Provider Identifier
1639453988
Registry record updated Mar 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Physician AssistantTaxonomy code 363AM0700X
License
7532 Issued in CT
Practice address
35 York St
New Haven, CT 06519
Phone
(203) 688-4242
NPI assigned
Oct 5, 2011
Last updated
Mar 17, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 17, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Oncology Clinic/Center 261QX0200X 7532 CT
Physician Assistant 363A00000X 23 015101 NY
Medical Physician Assistant 363AM0700X 7532 CT Primary

Addresses

Primary practice location

35 York St
New Haven, CT 06519

Mailing address

35 York St
New Haven, CT 06519
Phone (203) 688-4242

Other identifiers 1

IdentifierTypeStateIssuer
01995615MedicaidNY

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, CT2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20111026000705 NY Practitioner - Physician Assistant 3173796778 Reassigns benefits to 2 organizations
I20260618004424 CT Practitioner - Physician Assistant 3173796778 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Cayuga Medical Associates PCGroup PAC ID 6709897960, 278 clinicians
Cayuga Medical Center at IthacaGroup PAC ID 7214847367, 34 clinicians
Yale UniversityGroup PAC ID 9436061736, 2,632 clinicians

Practice addresses (Care Compare)

101 Dates Dr
Ithaca, NY 14850-1342
Phone (607) 274-4296

310 Taughannock Blvd
Suite 4
Ithaca, NY 14850-3251
Phone (607) 269-0100

35 Park St
New Haven, CT 06519-1110
Phone (203) 785-4191

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
0 of 100Reported as group
Quality
0
Improvement activities
0
Cost
0

Merit-based Incentive Payment System (MIPS)

Final score
94.27 of 100Reported as apm
Quality
82.87
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
23 015101NYMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Cayuga Medical Center at Ithaca CurrentSince Mar 1, 2018 Accepting new patients
Cayuga Pathology PLLC Current Accepting new patients
Cayuga Emergency Physicians, LLP CurrentSince Nov 15, 2016 Accepting new patients
Cayuga Medical Center at Ithaca CurrentSince Mar 1, 2018 Accepting new patients
Canton-Potsdam Hospital Past Accepting new patients
Canton-Potsdam Hospital Past Accepting new patients

Locations

75 Remit Dr
Chicago, IL 60675

101 Harris B Dates Dr
Ithaca, NY 14850
Phone (607) 274-4011

310 Taughannock Blvd
Fl 4
Ithaca, NY 14850
Phone (607) 269-0100

Interoperability endpoints

  • Direct secure messaging: amarzulla22679@direct.xtensys.com

Organizations & group practices 8

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1317772800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773705600000",
    "number": "1639453988",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "35 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "06519",
            "telephone_number": "203-688-4242"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "35 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "06519",
            "telephone_number": "203-688-4242"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARZULLA-DULFER",
        "first_name": "AVERY",
        "middle_name": "F",
        "credential": "P.A.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-10-05",
        "last_updated": "2026-03-17",
        "certification_date": "2026-03-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "261QX0200X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Oncology",
            "state": "CT",
            "license": "7532",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "23 015101",
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "CT",
            "license": "7532",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01995615",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.