Registry data as of Aug 27, 2026

James Mayer, D.O,

Family Medicine Physician · Kula, HI

James Mayer, D.O, is a family medicine physician with a practice address in Kula, Hawaii, and NPI 1851559744, issued on May 28, 2008. Check the license (Hawaii DOS 00341, as entered in NPPES) 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
1851559744
Name
James Mayer
Credential
D.O,
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
DOS 00341 HI
Self-reported in NPPES; status is on the state search
Practice location
7860 Kula Hwy, Kula, HI 96790
Phone
(808) 876-1984
Enumerated
May 28, 2008
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 7860 Kula Hwy

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

  1. Trevalee McGrath, MFTMarriage & Family Therapist1609085497

Verify James Mayer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license DOS 00341
    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.

98% fewer Medicare Part D claims than the average family medicine physician in 2024

53 Medicare Part D claims, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.

  1. James Mayer53
  2. Specialty average3,519

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.

4 family medicine physician records list a Kula practice address

They are 4 of the 78 NPPES records with a Kula practice address, and 701 family medicine physician records in Hawaii.

Other family medicine physician records in Hawaii

  1. Jenifer Aaronson, M.D.Kamuela, HI1053607119
  2. Sharita Abbott, M.D.Lahaina, HI1336295633
  3. David Abelson, MDKahului, HI1336196690
  4. Alex Aberin, MDPapaikou, HI1992717854
  5. Danielle Dawn Acacio, MDJbphh, HI1023643749
  6. Christina Adams, M.D.Waianae, HI1215132915
  7. Alice Adee, MDHilo, HI1376638734
  8. Adam Adler, MDHilo, HI1053568923
  9. Lauren Adler, NPKailua, HI1881358638
  10. Angelica Agapito, MDEwa Beach, HI1578084505

Common questions

What is James Mayer, D.O,'s NPI number?

James Mayer, D.O,'s National Provider Identifier (NPI) is 1851559744, issued on May 28, 2008. An NPI identifies a provider in billing; it is not a license.

Where is James Mayer, D.O, located?

The NPPES record lists a practice address at 7860 Kula Hwy, Kula, HI, 96790. Phone: (808) 876-1984. Providers update this record themselves, so call before visiting.

How can I verify James Mayer, D.O,'s license?

NPPES lists Hawaii license number DOS 00341, 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 James Mayer, D.O, prescribe under Medicare Part D?

In 2024, James Mayer, D.O, had 53 Medicare Part D claims; the average among family medicine physician prescribers was 3,519. 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.