NPPES file of Aug 9, 2026

Ly M. Gau, DO

Geriatric Medicine (Family Medicine) Physician · Kailua Kona, HI

Ly M. Gau, DO is a geriatric medicine (family medicine) physician with a practice address in Kailua Kona, Hawaii, and NPI 1386696318, issued on May 17, 2006. Check the license (Hawaii DOS-1405, 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
1386696318
Name
Ly M. Gau
Credential
DO
Primary taxonomy
Geriatric Medicine (Family Medicine) Physician 207QG0300X
License numbers
DOS-1405 HI
5101013844 MI
Self-reported in NPPES; status is on the state search
Practice location
78-6831 Ali'i Drive, Kailua Kona, HI 96740
Phone
(808) 747-8321
Enumerated
May 17, 2006
Record last updated
Jun 12, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(808) 334-0930
Medicaid ID
114766241 MI
Medicare enrollment
Enrolled (PECOS I20120622000135); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 1998
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 78-6831 Ali'i Drive

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

  1. Barry Blum, MDOrthopaedic Surgery Physician1295839595
  2. Unpok Choe, MDGeriatric Medicine (Internal Medicine) Physician1902965718
  3. Andrew Fedder, MDSurgery Physician1588720205
  4. Edwin Herd, MDPediatrics Physician1215985320
  5. Maria Oka, APRNFamily Nurse Practitioner1235209263
  6. Kenneth Smith, DOOrthopaedic Surgery Physician1316976798

Verify Ly M. Gau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license DOS-1405
    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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28% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024

3,742 Medicare Part D claims for 319 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 26 claims were for opioids.

  1. Ly Gau3,742
  2. Specialty average5,222

Most prescribed

  1. Atorvastatin Calcium307 claims
  2. Amlodipine Besylate252 claims
  3. Losartan Potassium238 claims
  4. Levothyroxine Sodium184 claims
  5. Lisinopril137 claims
  6. Ozempic102 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: $259.80

2 payments; by number, the most common kind was food and beverage; the largest payer was Bard Peripheral Vascular, Inc. The 460 providers of this specialty with any payment received $1,218.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ly Gau$259.80
  2. Specialty average$1,218.49

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. Alii Health CenterKailua Kona, HI

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

Ly M. Gau among 26 geriatric medicine (family medicine) physician records in Hawaii

Ly M. Gau, DO is one of 26 geriatric medicine (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 0% of them.

  • NPI issued2006 · 0% of these records are older, 65% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1998 · median 2002 among the 17 with a school on file
  • Record last updated2012 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Family Medicine) Physician providers in Hawaii

There are 26 geriatric medicine (family medicine) physician records in Hawaii.

The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes

  1. Jocelyn Chang, DOKapaau, HI 967551134215551
  2. Alain Takane, MDHilo, HI 967201942707666
  3. Sashi Braga, M.D.Lihue, HI 967661699962613
  4. Vanessa LuceroKapolei, HI 967071821922931
  5. Lydia Rolita, M.D.Mililani, HI 967891588697494
  6. Devin Hazama, DOWaianae, HI 967921679005235
  7. Xiaogang Liao, M.D.Waianae, HI 967921376630335
  8. Lauryn AndoHonolulu, HI 968131912354382

Common questions

What is Ly M. Gau, DO's NPI number?

Ly M. Gau, DO's National Provider Identifier (NPI) is 1386696318, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ly M. Gau, DO located?

The NPPES record lists a practice address at 78-6831 Ali'i Drive, Kailua Kona, HI, 96740. Phone: (808) 747-8321. Providers update this record themselves, so call before visiting.

How can I verify Ly M. Gau, DO's license?

NPPES lists Hawaii license number DOS-1405, 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 Ly M. Gau, DO prescribe under Medicare Part D?

In 2024, Ly M. Gau, DO had 3,742 Medicare Part D claims for 319 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.