NPPES file of Aug 9, 2026

Grant Li-Young Chen, M.D.

Hospitalist Physician · Honolulu, HI

Grant Li-Young Chen, M.D. is a hospitalist physician with a practice address in Honolulu, Hawaii, and NPI 1962536946, issued on Mar 14, 2007. Check the license (Hawaii MD14305, 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
1962536946
Name
Grant Li-Young Chen
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License numbers
MD14305 HI
4583 HI
MD-14305 HI
Self-reported in NPPES; status is on the state search
Practice location
1301 Punchbowl St, Honolulu, HI 96813
Phone
(808) 691-1000
Enumerated
Mar 14, 2007
Record last updated
Oct 13, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(808) 537-1952
Medicare enrollment
Enrolled (PECOS I20110419000481); accepts Medicare assignment
Medical or professional school
University Of Hawaii John A. Burns School Of Medicine, 2004
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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8 nearest hospitalist physician records → All 159 in Hawaii → Look up another NPI →

Also registered at 1301 Punchbowl St

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

  1. Brenda Abbotnakandakari, RNDiabetes Educator Registered Nurse1760705248
  2. Janette AbramowitzPsychiatry Physician1275952335
  3. Natalie AdolfPhysician Assistant1396282414
  4. Hessam Afshari, MDEmergency Medicine Physician1811217573
  5. Cheryl Ann Afuso-Sumimoto, APRNOncology Clinical Nurse Specialist1750929253
  6. Kyan Renie AgbayaniInternal Medicine Physician1083101323

Verify Grant Li-Young Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD14305    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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29% fewer Medicare Part D claims than the average hospitalist physician in 2024

370 Medicare Part D claims for 118 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 36 claims were for opioids.

  1. Grant Chen370
  2. Specialty average521

Most prescribed

  1. Oxycodone Hcl33 claims
  2. Atorvastatin Calcium27 claims
  3. Eliquis22 claims
  4. Metoprolol Tartrate21 claims
  5. Pantoprazole Sodium21 claims
  6. Gabapentin19 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: $116.37

2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Grant Chen$116.37
  2. Specialty average$494.84

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

Grant Li-Young Chen among 159 hospitalist physician records in Hawaii

Grant Li-Young Chen, M.D. is one of 159 hospitalist physician records with a practice address in Hawaii. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 30% of them.

  • NPI issued2007 · 30% of these records are older, 56% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2004 · median 2008 among the 129 with a school on file
  • Record last updated2016 · 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 208M00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Hawaii

There are 159 hospitalist physician records in Hawaii.

All 159 in Hawaii → Every provider in Honolulu → Hospitalist Physician nationwide →

The 8 hospitalist physician records with the nearest ZIP codes

  1. Matthew Gadbaw, MDHonolulu, HI 968131558392969
  2. Catherine Ho, M.D.Honolulu, HI 968131275726200
  3. Dorothy Iwanski, D.O.Honolulu, HI 968131184738957
  4. Sandhya Kanade, MDHonolulu, HI 968131689787301
  5. Vasudev Kanade, MDHonolulu, HI 968131407032386
  6. Melanie Kim, MDHonolulu, HI 968131184635831
  7. Kuo-Chiang Lian, M.D.Honolulu, HI 968131346437712
  8. Jorge Samaniego, MDHonolulu, HI 968131477636215

Common questions

What is Grant Li-Young Chen, M.D.'s NPI number?

Grant Li-Young Chen, M.D.'s National Provider Identifier (NPI) is 1962536946, issued on Mar 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Grant Li-Young Chen, M.D. located?

The NPPES record lists a practice address at 1301 Punchbowl St, Honolulu, HI, 96813. Phone: (808) 691-1000. Providers update this record themselves, so call before visiting.

How can I verify Grant Li-Young Chen, M.D.'s license?

NPPES lists Hawaii license number MD14305, 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 Grant Li-Young Chen, M.D. prescribe under Medicare Part D?

In 2024, Grant Li-Young Chen, M.D. had 370 Medicare Part D claims for 118 beneficiaries; the average among hospitalist physician prescribers was 521. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.