National Provider Identifier

Avery F Marzulla-Dulfer, P.A.

Avery F Marzulla-Dulfer, P.A. is listed in the NPPES registry with a primary specialty of Medical Physician Assistant in New Haven, CT and a listed phone number of (203) 688-4242.

NPI 1639453988New Haven, CTMedical Physician Assistant

Source: public NPPES record, last updated March 17, 2026. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.

Profile Overview

NPI
1639453988
Provider Type
Individual
Primary Specialty
Medical Physician Assistant
Enumeration Date
October 05, 2011
Last Updated
March 17, 2026

Practice Location

  • 35 York St
  • New Haven, CT 06519

Phone: (203) 688-4242

Specialties

  • Medical Physician Assistant (363AM0700X)
  • Oncology Clinic/Center (261QX0200X)
  • Physician Assistant (363A00000X)

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Medicare Part B Activity

Reported 782 Medicare fee-for-service service lines in 2024.

Peer comparison

Compared to Hospitalist providers in the Ithaca, NY metro area.

This provider is in the 86th percentile for Medicare service volume.

Higher volume than most peers.

Performs 130% more Medicare services than the peer median.

Higher than 6 of 7 peers.

Activity Percentile
85.7%
Rank by Services
1 of 7
Total Services
782
Est. Allowed Value
$65,310.42
Dataset Year
2024
Drug Code Share
0.0%

Estimated allowed value reflects Medicare fee-for-service allowed amounts only. It does not include Medicare Advantage, commercial insurance, cash-pay services, or employment compensation.

Peers are grouped by the broader Hospitalist classification rather than the exact subspecialty label shown elsewhere on the page.

Percentile distribution

Lowest-volume peersThis providerHighest-volume peers
0%10%20%30%40%50%60%70%80%90%+

Each bar represents a 10-point percentile band of peers by total Medicare services for Hospitalist across the Ithaca, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.

Observed service range: 23 to 782 total Medicare services.

Top Clinical Services

Full Record
NPI
1639453988
Entity Type
Individual
Last Name
Marzulla-Dulfer
First Name
Avery
Middle Name
F
Credential
P.A.
Mailing Street Address
35 York St
Mailing City
New Haven
Mailing State
CT
Mailing ZIP Code
06519
Mailing Country
US
Mailing Phone
(203) 688-4242
Practice Street Address
35 York St
Practice City
New Haven
Practice State
CT
Practice ZIP Code
06519
Practice Country
US
Practice Phone
(203) 688-4242
Enumeration Date
October 05, 2011
Last Updated
March 17, 2026
Sex
Female
Sole Proprietor
No
Certification Date
March 17, 2026
Taxonomies
Medical Physician Assistant (363AM0700X), Oncology Clinic/Center (261QX0200X), Physician Assistant (363A00000X)
Other Identifiers
01995615 (NY)