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AVERY F MARZULLA-DULFER P.A.
NPI 1639453988
Physician Assistant - Medical in New Haven, CT

Active since October 05, 2011PECOS EnrolledAccepts Medicare Assignment
95.21/100
CMS Quality Rating
35 YORK ST, NEW HAVEN, CT 06519(203) 688-4242 Get Directions Write a Review

NPPES record last updated: March 17, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 17, 2026, Mar 17, 2018, Oct 25, 2017 and 1 more (4 updates tracked since 2017).

About Avery F Marzulla-dulfer P.a. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AVERY F MARZULLA-DULFER P.A. (NPI 1639453988) is an individual medical provider in New Haven, Connecticut, licensed in Connecticut (7532) and active in the NPI registry since October 2011. She is enrolled in Medicare PECOS, is affiliated with Cayuga Medical Center At Ithaca, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1639453988
Entity TypeIndividualFemale
Primary Taxonomy363AM0700X
Provider Legal NameAVERY F MARZULLA-DULFERCredential: P.A.
Location Address35 YORK STNew Haven, CT 06519
Mailing Address35 York StNew Haven, CT 06519 · (203) 688-4242
Phone(203) 688-4242
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateOctober 5, 2011
Last NPPES UpdateMarch 17, 20264 updates tracked since enumeration
NPPES CertifiedMarch 17, 2026
✔ NPI 1639453988 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License✔ Licensed in CT · 7532
Also ListedClinic/Center · OncologyTaxonomy 261QX0200X · License 7532 (CT)
Also ListedPhysician AssistantTaxonomy 363A00000X · License 23 015101 (NY)
35 YORK ST, New Haven, CT 06519
Open in Google Maps ↗

Other Identifiers 1

Medicaid01995615NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Avery F Marzulla-dulfer P.a. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173796778
PECOS Enrollment IDI20111026000705, I20260618004424
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
325 services151 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
250 services111 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
99 services61 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
40 services33 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
27 services23 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
27 services23 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Cayuga Medical Center At Ithaca

Acute Care Hospitals · Ithaca, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330307
Location101 Dates DriveIthaca, NY 14850 · Tompkins County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.21/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.69
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 150 mg J8520
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers20 claims742 services$0.38 avg. paid by Medicare
Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers35 claims2,240 services$0.62 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
3 suppliers47 claims47 services$12.11 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Avery Marzulla-dulfer's NPI number?

The NPI number for Avery Marzulla-dulfer is 1639453988. It was assigned to this individual provider in the NPPES registry on October 5, 2011.

Where is Avery Marzulla-dulfer located?

Avery Marzulla-dulfer practices at 35 York St, New Haven, CT 06519. The listed phone number is (203) 688-4242.

What is Avery Marzulla-dulfer's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Avery Marzulla-dulfer enrolled in Medicare?

Yes. Avery Marzulla-dulfer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Avery Marzulla-dulfer affiliated with any hospitals?

According to CMS data, Avery Marzulla-dulfer is affiliated with Cayuga Medical Center At Ithaca.

When was this NPI record last updated?

The NPPES record for Avery Marzulla-dulfer was last updated on March 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.