Avery Marzulla-Dulfer, P.A.
NPI 1639453988 · Medical Physician Assistant · New Haven, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Avery Marzulla-Dulfer, P.A. is a Medical Physician Assistant provider in New Haven, CT (NPI 1639453988).
Provider details
- NPI number
- 1639453988
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Female
- Sole proprietor
- No
- License
- 23 015101 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
782 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 325 | $80 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 250 | $80 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 99 | $65 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 40 | $118 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 27 | $118 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 76 | 23 |
| Warfarin Sodium | 70 | — |
| Letrozole | 68 | 21 |
| Levothyroxine Sodium | 61 | 14 |
| Anastrozole | 51 | 18 |
| Oxycodone Hcl | 49 | 17 |
| Prednisone | 47 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$78 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-10-05
- Last updated
- 2026-03-17
- Certified
- 2026-03-17
Frequently asked questions
- What is Avery Marzulla-Dulfer's NPI number?
- Avery Marzulla-Dulfer's National Provider Identifier (NPI) is 1639453988, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Avery Marzulla-Dulfer's specialty?
- Avery Marzulla-Dulfer is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Avery Marzulla-Dulfer located?
- Avery Marzulla-Dulfer's practice location on file with NPPES is 35 York St, New Haven, CT 06519.
- What is Avery Marzulla-Dulfer's phone number?
- The practice phone number listed in the NPPES registry for Avery Marzulla-Dulfer is (203) 688-4242.
- Does Avery Marzulla-Dulfer accept Medicare?
- Avery Marzulla-Dulfer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Avery Marzulla-Dulfer's NPI active?
- Yes — Avery Marzulla-Dulfer's NPI (1639453988) is active in the NPPES registry as of the last update on 2026-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.