NPPES file of Aug 9, 2026

Timothy John Kenealy Vossler, MD

Critical Care Medicine (Internal Medicine) Physician · Honolulu, HI

Timothy John Kenealy Vossler, MD is a critical care medicine (internal medicine) physician with a practice address in Honolulu, Hawaii, and NPI 1821408873, issued on Apr 30, 2014. Check the license (Hawaii MD-20479, 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
1821408873
Name
Timothy John Kenealy Vossler
Credential
MD
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License number
MD-20479 HI
Self-reported in NPPES; status is on the state search
Practice location
888 S King St, Honolulu, HI 96813
Phone
(808) 522-4000
Enumerated
Apr 30, 2014
Record last updated
Feb 27, 2025
Medicare enrollment
Enrolled (PECOS I20250206002993); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 2013
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.
Download card Updates feed

Also registered at 888 S King St

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

  1. Ayman Abdul-Ghani, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1548449218
  2. Cedric Akau, M.D.Physical Medicine & Rehabilitation Physician1437254034
  3. Christopher Apostolides, PAPhysician Assistant1083655153
  4. Stephen Arnold, M.D.Internal Medicine Physician1598859928
  5. Swaty Arora, MDHematology & Oncology Physician1194037432
  6. Whitney Reigh Asao, OTD, OTR/LOccupational Therapist1568082766

Verify Timothy John Kenealy Vossler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-20479
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

88% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

86 Medicare Part D claims for 12 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.

  1. Timothy Vossler86
  2. Specialty average696

Most prescribed

  1. Trelegy Ellipta21 claims
  2. Albuterol Sulfate Hfa17 claims
  3. Montelukast Sodium15 claims
  4. Prednisone15 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score100.0
  2. Costout of 100 · 30%89.9
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $787.86

9 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Timothy Vossler$787.86
  2. Specialty average$2,958.68

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

Bills Medicare through 2 group practices

  1. Kauai Medical ClinicLihue, HI
  2. Providence Health And Services OregonPortland, OR

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

Timothy John Kenealy Vossler among 36 critical care medicine (internal medicine) physician records in Hawaii

Timothy John Kenealy Vossler, MD is one of 36 critical care medicine (internal medicine) 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 2014, is newer than 81% of them.

  • NPI issued2014 · 81% of these records are older, 17% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2013 · median 2005 among the 28 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Hawaii

There are 36 critical care medicine (internal medicine) physician records in Hawaii.

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Russell Gilbert, M.D.Honolulu, HI 968131417918798
  2. Sonia HowmanHonolulu, HI 968131457414724
  3. Sailaja Kolli, M.D.Honolulu, HI 968131205925369
  4. Marc Kruger, M.D.Honolulu, HI 968131275572026
  5. Artur Krupa, M.D.Honolulu, HI 968131093788440
  6. Gary Kuniyoshi, MDHonolulu, HI 968131558388223
  7. Jordan Lee, M.D.Honolulu, HI 968131174847842
  8. Poh Leng, M.D.Honolulu, HI 968131477520120

Common questions

What is Timothy John Kenealy Vossler, MD's NPI number?

Timothy John Kenealy Vossler, MD's National Provider Identifier (NPI) is 1821408873, issued on Apr 30, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Timothy John Kenealy Vossler, MD located?

The NPPES record lists a practice address at 888 S King St, Honolulu, HI, 96813. Phone: (808) 522-4000. Providers update this record themselves, so call before visiting.

How can I verify Timothy John Kenealy Vossler, MD's license?

NPPES lists Hawaii license number MD-20479, 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 Timothy John Kenealy Vossler, MD prescribe under Medicare Part D?

In 2024, Timothy John Kenealy Vossler, MD had 86 Medicare Part D claims for 12 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.

What is Timothy John Kenealy Vossler, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.