ROBERT P MASTROIANNI MD
NPI 1023107844
Family Medicine in Makawao, HI
About Robert P Mastroianni Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT P MASTROIANNI MD (NPI 1023107844) is an individual family medicine provider in Makawao, Hawaii, licensed in Hawaii (MD10200) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (1977).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Robert P Mastroianni Md 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 Robert Mastroianni reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Makawao, HI 96768
- Reassigned Medicare billing, Hawaii enrollment
- 7 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 16
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 96768 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
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
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 Robert Mastroianni's NPI number?
The NPI number for Robert Mastroianni is 1023107844. It was assigned to this individual provider in the NPPES registry on October 11, 2006.
Where is Robert Mastroianni located?
Robert Mastroianni practices at 81 Makawao Ave Ste 25, Makawao, HI 96768. The listed phone number is (808) 573-8900.
What is Robert Mastroianni's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Robert Mastroianni enrolled in Medicare?
Yes. Robert Mastroianni 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 Robert Mastroianni's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Mastroianni reassigns Medicare benefits to Pukalani Family Practice, LLC (Makawao, 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 Robert Mastroianni's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Robert Mastroianni was last updated on March 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.