Quick answers
- Does Asa J. Nixon accept Medicare assignment?
- Yes. Medicare's clinician data says Asa J. Nixon 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 Asa J. Nixon see?
- In 2024, CMS data shows 336 Original Medicare patients and 2,096 services for Asa J. Nixon. This counts Original Medicare only and measures volume, not quality.
- What is Asa J. Nixon's NPI number?
- 1730285172. 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 Asa J. Nixon, 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 | 336 |
|---|---|
| Services billed to Medicare | 2,096 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)657 services
- Radiation treatment management, 5 treatment sessions (77427)232 services
- Calculation of radiation therapy dose (77300)173 services
- Design and construction of complex radiation treatment device (77334)165 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)122 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- Arthritis46%
- Diabetes31%
- Ischemic heart disease31%
Hospitals where Asa J. Nixon works
Medicare's Facility Affiliation Data lists Asa J. Nixon 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.
- Beth Israel Deaconess Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220086
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220171
- Northeast Hospital CorporationBeverly, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220033
- Winchester HospitalWinchester, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220105
Practice locations
Addresses where Asa J. Nixon is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Elliot WayManchester, NH 03103 (603) 663‑1800
- 1 Elliot Way, Department of Radiation OncologyManchester, NH 03103
- 1 Essex Ctr DrPeabody, MA 01960 (978) 538‑4102
- 1 Hospital DrLowell, MA 01852 (978) 934‑8457
- 41 Mall RdBurlington, MA 01805 (781) 744‑8780
Group practices
Medicare enrollment lists Asa J. Nixon as a member of this group (CMS data updated October 2, 2026).
- Radiation Oncology Associates, PA23 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Manchester
Clinicians with the same Medicare primary specialty in Manchester, NH — not a recommendation.
Other clinicians in Radiation Oncology Associates, PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1730285172 |
| 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