NPPES file of Aug 9, 2026

Michael C. Roach, MD

Radiation Oncology Physician · Honolulu, HI

Michael C. Roach, MD is a radiation oncology physician with a practice address in Honolulu, Hawaii, and NPI 1114226735, issued on Mar 22, 2011. Check the license (Hawaii MD-20574, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114226735
Name
Michael C. Roach
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
MD-20574 HI
Self-reported in NPPES; status is on the state search
Practice location
2226 Liliha St Ste B2, Honolulu, HI 96817
Phone
(808) 547-6881
Enumerated
Mar 22, 2011
Record last updated
Jun 17, 2025
Fax
(808) 547-6583
Medicare enrollment
Enrolled (PECOS I20190828002431); accepts Medicare assignment
Medical or professional school
Duke University School Of Medicine, 2011
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2226 Liliha St Ste B2

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Samuel Birer, MDRadiation Oncology Physician1679004014
  2. Vincent Brown, M.D.Radiation Oncology Physician1902885247
  3. Christine CampbellNurse Practitioner1255812830
  4. Susie Chen, M.D.Radiation Oncology Physician1164609517
  5. John Lederer, M.D.Radiation Oncology Physician1740253327
  6. Richard Lee, MD PHDRadiation Oncology Physician1922261718

Verify Michael C. Roach in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-20574
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Hawaii license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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37% fewer Medicare Part D claims than the average radiation oncology physician in 2024

85 Medicare Part D claims for 42 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Michael Roach85
  2. Specialty average134

Most prescribed

  1. Ciprofloxacin Hcl11 claims

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, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,178.41

20 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Scientific Affairs, LLC. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Roach$1,178.41
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Cancer Center OF Hawaii LLCHonolulu, HI
  2. Gamma Knife Center OF The Pacific IncHonolulu, HI
  3. Pacific Radiation Oncology LLCHonolulu, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael C. Roach among 28 radiation oncology physician records in Hawaii

Michael C. Roach, MD is one of 28 radiation oncology physician records with a practice address in Hawaii. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 71% of them.

  • NPI issued2011 · 71% of these records are older, 21% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2011 · median 2010 among the 21 with a school on file
  • Record last updated2025 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Hawaii

There are 28 radiation oncology physician records in Hawaii.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Samuel Birer, MDHonolulu, HI 968171679004014
  2. Vincent Brown, M.D.Honolulu, HI 968171902885247
  3. Susie Chen, M.D.Honolulu, HI 968171164609517
  4. Ladonna Chung, M.D.Honolulu, HI 968171689709206
  5. Thanh Huynh, M.D.Honolulu, HI 968171982677902
  6. Mark Kanemori, M.D.Honolulu, HI 968171033182613
  7. John Lederer, M.D.Honolulu, HI 968171740253327
  8. Richard Lee, MD PHDHonolulu, HI 968171922261718

Common questions

What is Michael C. Roach, MD's NPI number?

Michael C. Roach, MD's National Provider Identifier (NPI) is 1114226735, issued on Mar 22, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Michael C. Roach, MD located?

The NPPES record lists a practice address at 2226 Liliha St Ste B2, Honolulu, HI, 96817. Phone: (808) 547-6881. Providers update this record themselves, so call before visiting.

How can I verify Michael C. Roach, MD's license?

NPPES lists Hawaii license number MD-20574, 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 Michael C. Roach, MD prescribe under Medicare Part D?

In 2024, Michael C. Roach, MD had 85 Medicare Part D claims for 42 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Michael C. Roach, 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.