NPPES file of Aug 9, 2026

Alan C. Desilva, MD INC.

Internal Medicine Physician · Hilo, HI

Alan C. Desilva, MD INC. is an internal medicine physician with a practice address in Hilo, Hawaii, and NPI 1790885994, issued on Sep 25, 2006. Check the license (Hawaii 3482, 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
1790885994
Name
Alan C. Desilva
Credential
MD INC.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
3482 HI
Self-reported in NPPES; status is on the state search
Practice location
1248 Kinoole Street, Hilo, HI 96720
Phone
(808) 935-6888
Enumerated
Sep 25, 2006
Record last updated
Mar 26, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(808) 961-0889
Medicaid ID
04047901 HI
Medicare enrollment
Enrolled (PECOS I20050927001369); accepts Medicare assignment
Medical or professional school
University Of Hawaii John A. Burns School Of Medicine, 1975
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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Verify Alan C. Desilva in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license 3482
    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

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2.1 times the Medicare Part D claims of the average internal medicine physician in 2024

6,523 Medicare Part D claims for 459 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 89 claims were for opioids.

  1. Alan Desilva6,523
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium845 claims
  2. Metformin Hcl267 claims
  3. Simvastatin264 claims
  4. Amlodipine Besylate234 claims
  5. Allopurinol209 claims
  6. Metoprolol Succinate193 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.

The MIPS final score for 2023 (Medicare payment program): 94.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score84.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $44.22

2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alan Desilva$44.22
  2. Specialty average$1,303.06

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

Alan C. Desilva among 902 internal medicine physician records in Hawaii

Alan C. Desilva, MD INC. is one of 902 internal medicine physician records with a practice address in Hawaii. 71% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 55% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated1975 · median 2001 among the 491 with a school on file
  • Record last updated2019 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

34 internal medicine physician records list a practice address in Hilo

They are 34 of the 1,758 NPPES records with a practice address in Hilo, and 902 internal medicine physician records in Hawaii.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Carlos Abeyta, MDHilo, HI 967201942253109
  2. Wendy Barnes, MDHilo, HI 967201164534806
  3. Daniel Belcher, M.D.Hilo, HI 967201144270927
  4. Francis Cavanaugh, MDHilo, HI 967201033165998
  5. Mary Iyer, M.D.Hilo, HI 967201366470502
  6. David Jung, M.D.Hilo, HI 967201649281643
  7. Craig Kadooka, M.D.Hilo, HI 967201467419630
  8. Jon Martell, MDHilo, HI 967201033165469

Common questions

What is Alan C. Desilva, MD INC.'s NPI number?

Alan C. Desilva, MD INC.'s National Provider Identifier (NPI) is 1790885994, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alan C. Desilva, MD INC. located?

The NPPES record lists a practice address at 1248 Kinoole Street, Hilo, HI, 96720. Phone: (808) 935-6888. Providers update this record themselves, so call before visiting.

How can I verify Alan C. Desilva, MD INC.'s license?

NPPES lists Hawaii license number 3482, 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 Alan C. Desilva, MD INC. prescribe under Medicare Part D?

In 2024, Alan C. Desilva, MD INC. had 6,523 Medicare Part D claims for 459 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Alan C. Desilva, MD INC.'s MIPS final score?

The 2023 MIPS final score is 94.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.