JAMES P GILLIGAN MSN, ACNP-BC
NPI 1578871026
Nurse Practitioner - Acute Care in Phoenix, AZ
About James P Gilligan Msn, Acnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES P GILLIGAN MSN, ACNP-BC (NPI 1578871026) is an individual acute care provider in Phoenix, Arizona, licensed in Arizona (AP3788) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS, maintains a secondary practice location in Phoenix, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
James P Gilligan Msn, Acnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show James Gilligan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85015
- Reassigned Medicare billing, Arizona enrollment
- 13 clinicians in this Medicare group
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- 17 clinicians in this Medicare group
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- 28 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85020 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHOENIX, AZ 85020
PHOENIX, AZ 85020
PHOENIX, AZ 85020
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is James Gilligan's NPI number?
The NPI number for James Gilligan is 1578871026. It was assigned to this individual provider in the NPPES registry on September 17, 2010.
Where is James Gilligan located?
James Gilligan practices at 9200 N Central Ave Ste 2, Phoenix, AZ 85020. The listed phone number is (480) 999-4954.
What is James Gilligan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is James Gilligan enrolled in Medicare?
Yes. James Gilligan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for James Gilligan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Gilligan reassigns Medicare benefits to 3 organizations: Freedom Health Interventional Centers LLC (Phoenix, AZ), Alveo Lc (Phoenix, AZ) and Unomed LLC (Phoenix, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Gilligan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Gilligan accept?
Health plans from Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and UnitedHealthcare list James Gilligan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for James Gilligan was last updated on February 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# James P Gilligan, MSN, ACNP-BC · NPI 1578871026
Acute Care physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since September 17, 2010.
## Identity
- **NPI:** 1578871026 (Entity type: Individual)
- **Enumerated:** September 17, 2010
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** AP3788 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 9200 N CENTRAL AVE STE 2, Phoenix, AZ 85020-2463
- **Phone:** (480) 999-4954
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Freedom Health Interventional Centers LLC (NPI 1508364860, Phoenix, AZ); Alveo Lc (NPI 1639517436, Phoenix, AZ); Unomed LLC (NPI 1972912228, Phoenix, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** February 20, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1578871026) · Data from the CMS NPPES public registry.