GEORGE S MACKEL PMHNP
NPI 1891082376
Nurse Practitioner - Psychiatric/Mental Health in Honolulu, HI
About George S Mackel Pmhnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GEORGE S MACKEL PMHNP (NPI 1891082376) is an individual psychiatric/mental health provider in Honolulu, Hawaii, licensed in Hawaii (APRN-2714) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
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
George S Mackel Pmhnp 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 Reassignment
Medicare enrollment records show George Mackel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hilo, HI 96720
- Reassigned Medicare billing, Hawaii enrollment
- 17 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 96813 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 George Mackel's NPI number?
The NPI number for George Mackel is 1891082376. It was assigned to this individual provider in the NPPES registry on July 5, 2011.
Where is George Mackel located?
George Mackel practices at 524 Keawe St # 521, Honolulu, HI 96813. The listed phone number is (808) 777-9460.
What is George Mackel's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is George Mackel enrolled in Medicare?
Yes. George Mackel 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 organization bills Medicare for George Mackel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), George Mackel reassigns Medicare benefits to George Mackel, Pmhnp-Bc, LLC (Hilo, HI). The 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 George Mackel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does George Mackel accept?
Health plans from HMSA list George Mackel 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 George Mackel was last updated on May 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# George S Mackel, PMHNP · NPI 1891082376
Psychiatric/Mental Health physician in Honolulu, Hawaii. Individual provider, active in the CMS NPPES registry since July 5, 2011.
## Identity
- **NPI:** 1891082376 (Entity type: Individual)
- **Enumerated:** July 5, 2011
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** APRN-2714 (Hawaii)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 524 KEAWE ST # 521, Honolulu, HI 96813-3101
- **Phone:** (808) 777-9460 · **Fax:** (808) 217-9174
## 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:** George Mackel, Pmhnp-Bc, LLC (NPI 1184583585, Hilo, HI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** May 18, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1891082376) · Data from the CMS NPPES public registry.