Quick answers
- Does James P. Gilligan accept Medicare assignment?
- Yes. Medicare's clinician data says James P. Gilligan 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 P. Gilligan see?
- In 2024, CMS data shows 71 Original Medicare patients and 227 services for James P. Gilligan. This counts Original Medicare only and measures volume, not quality.
- What is James P. Gilligan's NPI number?
- 1578871026. 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 P. Gilligan, 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 | 71 |
|---|---|
| Services billed to Medicare | 227 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)194 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%
- Diabetes75%
- Chronic kidney disease73%
- Arthritis55%
- Ischemic heart disease48%
Hospitals where James P. Gilligan works
Medicare's Facility Affiliation Data lists James P. Gilligan 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.
- Abrazo Central CampusPhoenix, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030030
- Abrazo Scottsdale CampusPhoenix, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030083
- Banner Desert Medical CenterMesa, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030065
- St Josephs Hospital and Medical CenterPhoenix, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030024
Practice locations
Addresses where James P. Gilligan is enrolled with Medicare (CMS data updated October 2, 2026).
- 5133 N Central Ave, Suite 100Phoenix, AZ 85012 (480) 616‑0356
- 6036 N 19th Ave, Suite 204Phoenix, AZ 85015 (480) 717‑0356
- 9200 N Central Ave, Suite 2Phoenix, AZ 85020 (480) 999‑4954
Group practices
Medicare enrollment lists James P. Gilligan as a member of these groups (CMS data updated October 2, 2026).
- Unomed LLC12 clinicians in the group
- Freedom Health Interventional Centers LLC9 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.
Other clinicians in Unomed LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1578871026 |
| 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