Quick answers
- Does William P. Duggan accept Medicare assignment?
- Yes. Medicare's clinician data says William P. Duggan 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 William P. Duggan see?
- In 2024, CMS data shows 122 Original Medicare patients and 185 services for William P. Duggan. This counts Original Medicare only and measures volume, not quality.
- What is William P. Duggan's NPI number?
- 1912103987. 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 William P. Duggan, 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 | 122 |
|---|---|
| Services billed to Medicare | 185 |
| Different services or procedures | 53 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)14 services
- Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)13 services
- Anesthesia for other procedure on large bowel using an endoscope (00811)12 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 pressure75%
- High cholesterol75%
- Arthritis55%
- Anxiety38%
- Diabetes35%
- Depression30%
Hospitals where William P. Duggan works
Medicare's Facility Affiliation Data lists William P. Duggan 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.
- Arnot Ogden Medical CenterElmira, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330090
- Ira Davenport Memorial HospitalBath, NY · Rural Emergency Hospital · Emergency services: listed by Medicare · CCN 330800
Practice locations
Addresses where William P. Duggan is enrolled with Medicare (CMS data updated October 2, 2026).
- 600 Roe AveElmira, NY 14905 (607) 737‑4100
Group practices
Medicare enrollment lists William P. Duggan as a member of this group (CMS data updated October 2, 2026).
- Associated Anesthesiologists of the Finger Lakes LLP26 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Elmira
Clinicians with the same Medicare primary specialty in Elmira, NY — not a recommendation.
Other clinicians in Associated Anesthesiologists of the Finger Lakes LLP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912103987 |
| 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