Quick answers
- Does James McKenna Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says James McKenna Jr. 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 James McKenna Jr. see?
- In 2024, CMS data shows 174 Original Medicare patients and 287 services for James McKenna Jr.. This counts Original Medicare only and measures volume, not quality.
- What is James McKenna Jr.'s NPI number?
- 1457970733. 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 James McKenna Jr., 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 | 174 |
|---|---|
| Services billed to Medicare | 287 |
| Different services or procedures | 51 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Insertion of artery tube for blood sampling or infusion through skin (36620)35 services
- Anesthesia for x-ray or radiation therapy (01922)23 services
- Insertion of tube in pulmonary artery for monitoring (93503)21 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)20 services
- Anesthesia for heart artery bypass grafting on heart-lung machine (00567)19 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%
- Ischemic heart disease54%
- Atrial fibrillation46%
- Arthritis43%
- Heart failure42%
Hospitals where James McKenna Jr. works
Medicare's Facility Affiliation Data lists James McKenna Jr. 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.
- Catholic Medical CenterManchester, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300034
- Emerson Hospital -W Concord, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220084
Practice locations
Addresses where James McKenna Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 McGregor StManchester, NH 03102 (800) 437‑9666
- 133 Old Rd To 9 Acre CorConcord, MA 01742 (978) 287‑8480
- 33 Bartlett St, Suite 203Lowell, MA 01852 (978) 689‑4601
Group practices
Medicare enrollment lists James McKenna Jr. as a member of these groups (CMS data updated October 2, 2026).
- Lowell Anesthesiology Service Inc101 clinicians in the group
- Emerson Practice Associates II, Inc50 clinicians in the group
- Granite State Anesthesia Partners, LLC44 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), New Hampshire →
Other nurse anesthetists in Manchester
Clinicians with the same Medicare primary specialty in Manchester, NH — not a recommendation.
Other clinicians in Lowell Anesthesiology Service Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457970733 |
| 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