Registry data as of Aug 27, 2026

Michael Tom, M.D.

Internal Medicine Physician · Honolulu, HI

Michael Tom, M.D. is an internal medicine physician with a practice address in Honolulu, Hawaii, and NPI 1487997516, issued on Mar 27, 2013. Check the license on the Hawaii Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1487997516
Name
Michael Tom
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
550 S Beretania St Ste 601, Honolulu, HI 96813
Phone
(808) 691-8877
Enumerated
Mar 27, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 550 S Beretania St Ste 601

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

  1. Lauryn AndoGeriatric Medicine (Family Medicine) Physician1912354382
  2. Monica Cheung Katz, MDFamily Medicine Physician1275943755
  3. Ji Eun Ching, DOFamily Medicine Physician1801323951
  4. Susan Christensen, M.D.Family Medicine Physician1326019704
  5. Jeremy Chun, M.D.Geriatric Medicine (Internal Medicine) Physician1598873465
  6. Gina Fujikami, M.D.Student in an Organized Health Care Education/Training Program1598932535

Verify Michael Tom in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical BoardCheck 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.

13% more Medicare Part D claims than the average internal medicine physician in 2024

3,156 Medicare Part D claims for 292 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 34 claims were for opioids.

  1. Michael Tom3,156
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium158 claims
  2. Levothyroxine Sodium128 claims
  3. Trazodone Hcl124 claims
  4. Losartan Potassium122 claims
  5. Amlodipine Besylate106 claims
  6. Pantoprazole Sodium103 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.

One hospital or facility affiliation

  1. Queens University Medical GroupHonolulu, HI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

676 internal medicine physician records list a Honolulu practice address

They are 676 of the 12,408 NPPES records with a Honolulu practice address, and 1,022 internal medicine physician records in Hawaii.

Other internal medicine physician records in Hawaii

  1. Michael Abdo, M.D.Ewa Beach, HI1730671116
  2. Carlos Abeyta, MDHilo, HI1942253109
  3. Harry Acuna, MDWaipahu, HI1598872707
  4. Dale Adams, MDKailua, HI1982709101
  5. Kevin Adams, MDHonolulu, HI1275640567
  6. Quinlinn Adolpho, MDTripler Amc, HI1871098483
  7. Kyan Renie AgbayaniHonolulu, HI1083101323
  8. Wesam Agha, DOKealakekua, HI1700273554
  9. Ron Ah Loy, M.D.Kamuela, HI1598795403
  10. Timothy Ahu, MDAiea, HI1275611204

Common questions

What is Michael Tom, M.D.'s NPI number?

Michael Tom, M.D.'s National Provider Identifier (NPI) is 1487997516, issued on Mar 27, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Michael Tom, M.D. located?

The NPPES record lists a practice address at 550 S Beretania St Ste 601, Honolulu, HI, 96813. Phone: (808) 691-8877. Providers update this record themselves, so call before visiting.

How can I verify Michael Tom, M.D.'s license?

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 Michael Tom, M.D. prescribe under Medicare Part D?

In 2024, Michael Tom, M.D. had 3,156 Medicare Part D claims for 292 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.