Quick answers
- Does Avery F. Marzulla-Dulfer accept Medicare assignment?
- Yes. Medicare's clinician data says Avery F. Marzulla-Dulfer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Avery F. Marzulla-Dulfer see?
- In 2024, CMS data shows 302 Original Medicare patients and 805 services for Avery F. Marzulla-Dulfer. This counts Original Medicare only and measures volume, not quality.
- What is Avery F. Marzulla-Dulfer's NPI number?
- 1639453988. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Avery F. Marzulla-Dulfer, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 302 |
|---|---|
| Services billed to Medicare | 805 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)575 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)99 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)67 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)27 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)14 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure72%
- High cholesterol67%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)53%
- Arthritis51%
- Anxiety31%
- Depression30%
Hospitals where Avery F. Marzulla-Dulfer works
Medicare's Facility Affiliation Data lists Avery F. Marzulla-Dulfer at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Cayuga Medical Center at IthacaIthaca, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330307
- Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070022
Practice locations
Addresses where Avery F. Marzulla-Dulfer is enrolled with Medicare (CMS data updated October 2, 2026).
- 101 Dates DrIthaca, NY 14850 (607) 274‑4296
- 310 Taughannock Blvd, Suite 4Ithaca, NY 14850 (607) 269‑0100
- 35 Park StNew Haven, CT 06519 (203) 785‑4191
Group practices
Medicare enrollment lists Avery F. Marzulla-Dulfer as a member of these groups (CMS data updated October 2, 2026).
- Yale University2,645 clinicians in the group
- Cayuga Medical Associates PC282 clinicians in the group
- Cayuga Medical Center at Ithaca31 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Ithaca
Clinicians with the same Medicare primary specialty in Ithaca, NY — not a recommendation.
Other clinicians in Yale University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639453988 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians