Robert P. Mastroianni, MD
Family Medicine Physician · Makawao, HI
Robert P. Mastroianni, MD is a family medicine physician with a practice address in Makawao, Hawaii, and NPI 1023107844, issued on Oct 11, 2006. Check the license (Hawaii MD10200, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert P. Mastroianni
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD10200 HI
Self-reported in NPPES; status is on the state search - Practice location
- 81 Makawao Ave Ste 25, Makawao, HI 96768
- Phone
- (808) 573-8900
- Enumerated
- Oct 11, 2006
- Record last updated
- Mar 13, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (808) 572-3027
- Medicaid ID
- 53842302 HI
- Medicare enrollment
- Enrolled (PECOS I20040423001062); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1977
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 730 in Hawaii → Look up another NPI →
Also registered at 81 Makawao Ave Ste 25
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dan Baston, APRNFamily Nurse Practitioner1336224229
Verify Robert P. Mastroianni in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD10200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
21 Medicare Part D claims for 11 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Pukalani Family Practice LLCMakawao, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert P. Mastroianni among 730 family medicine physician records in Hawaii
Robert P. Mastroianni, MD is one of 730 family medicine physician records with a practice address in Hawaii. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1977 · median 2006 among the 383 with a school on file
- Record last updated2018 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 family medicine physician records list a practice address in Makawao
They are 3 of the 258 NPPES records with a practice address in Makawao, and 730 family medicine physician records in Hawaii.
All 730 in Hawaii → Every provider in Makawao → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ma Rosario Guzman, M.D.Makawao, HI 967681538184221
- Bernard Meyer, M.D.Makawao, HI 967681164422986
- Rainier Dennis Bautista, M.D.Lihue, HI 967661962766972
- Bridget Collins, M.D.Lihue, HI 967661992800403
- Ronald Fujimoto, D.O.Lihue, HI 967661962407668
- Alyse Kiyuna, NPLihue, HI 967661659196368
- Vivian Kyono, MDLihue, HI 967661427406321
- Natalie Lee, M.D.Lihue, HI 967661942246160
Common questions
What is Robert P. Mastroianni, MD's NPI number?
Robert P. Mastroianni, MD's National Provider Identifier (NPI) is 1023107844, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert P. Mastroianni, MD located?
The NPPES record lists a practice address at 81 Makawao Ave Ste 25, Makawao, HI, 96768. Phone: (808) 573-8900. Providers update this record themselves, so call before visiting.
How can I verify Robert P. Mastroianni, MD's license?
NPPES lists Hawaii license number MD10200, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert P. Mastroianni, MD prescribe under Medicare Part D?
In 2024, Robert P. Mastroianni, MD had 21 Medicare Part D claims for 11 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Robert P. Mastroianni, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.