NPPES file of Aug 9, 2026

Charlie Yadao Sonido, MD

Internal Medicine Physician · Waipahu, HI

Charlie Yadao Sonido, MD is an internal medicine physician with a practice address in Waipahu, Hawaii, and NPI 1518910660, issued on May 18, 2006. Check the license (Hawaii MD-4737, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518910660
Name
Charlie Yadao Sonido
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD-4737 HI
Self-reported in NPPES; status is on the state search
Practice location
94-837 Waipahu St, Waipahu, HI 96797
Phone
(808) 671-3911
Enumerated
May 18, 2006
Record last updated
Jun 16, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(808) 677-2720
Medicaid ID
012506-01 HI
Medicare enrollment
Enrolled (PECOS I20100908001056); accepts Medicare assignment
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 94-837 Waipahu St

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

  1. Paula Nichaelle Aquino, MSN, APRN-RX, FNP-BCNurse Practitioner1831841006
  2. Agnes Serranilla-Sonido, MDFamily Medicine Physician1093450454
  3. John Wichmann-Walczak, M.D.General Practice Physician1356333736

Verify Charlie Yadao Sonido in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-4737
    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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5.3 times the Medicare Part D claims of the average internal medicine physician in 2024

16,706 Medicare Part D claims for 2,412 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 36 claims were for opioids.

  1. Charlie Sonido16,706
  2. Specialty average3,176

Most prescribed

  1. Losartan Potassium1,353 claims
  2. Amlodipine Besylate1,287 claims
  3. Atorvastatin Calcium1,168 claims
  4. Rosuvastatin Calcium1,153 claims
  5. Metoprolol Succinate629 claims
  6. Metformin Hcl Er457 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.

Industry payments in 2024: $3,143.87

116 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. Charlie Sonido$3,143.87
  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.

Bills Medicare through one group practice

  1. Charlie Y Sonido M D LLCLihue, HI

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

Charlie Yadao Sonido among 902 internal medicine physician records in Hawaii

Charlie Yadao Sonido, MD 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
  • Graduated1978 · median 2001 among the 491 with a school on file
  • Record last updated2018 · 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).

16 internal medicine physician records list a practice address in Waipahu

They are 16 of the 1,605 NPPES records with a practice address in Waipahu, and 902 internal medicine physician records in Hawaii.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Harry Acuna, MDWaipahu, HI 967971598872707
  2. Leon Garcia, MDWaipahu, HI 967971164521167
  3. Deborah Hirose-Ridao, MDWaipahu, HI 967971528073350
  4. Corazon Hobbs-Oshiro, MDWaipahu, HI 967971306830476
  5. Maria Ilar-Revilla, M.D.Waipahu, HI 967971619980471
  6. Aaron Kaichi, MDWaipahu, HI 967971790772580
  7. Kelly Kawaoka, M.D.Waipahu, HI 967971528265972
  8. Timothy Kim, MDWaipahu, HI 967971962418939

Common questions

What is Charlie Yadao Sonido, MD's NPI number?

Charlie Yadao Sonido, MD's National Provider Identifier (NPI) is 1518910660, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charlie Yadao Sonido, MD located?

The NPPES record lists a practice address at 94-837 Waipahu St, Waipahu, HI, 96797. Phone: (808) 671-3911. Providers update this record themselves, so call before visiting.

How can I verify Charlie Yadao Sonido, MD's license?

NPPES lists Hawaii license number MD-4737, 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 Charlie Yadao Sonido, MD prescribe under Medicare Part D?

In 2024, Charlie Yadao Sonido, MD had 16,706 Medicare Part D claims for 2,412 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.