Stephen Arnold, M.D.
Internal Medicine Physician · Honolulu, HI
Stephen Arnold, M.D. is an internal medicine physician with a practice address in Honolulu, Hawaii, and NPI 1598859928, issued on Oct 2, 2006. Check the license on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stephen Arnold
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 888 S King St, Honolulu, HI 96813
- Phone
- (808) 522-4511
- Enumerated
- Oct 2, 2006
- Entity
- Type 1 · individual
Also registered at 888 S King St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cedric Akau, M.D.Physical Medicine & Rehabilitation Physician1437254034
- Christopher Apostolides, PAPhysician Assistant1083655153
- Swaty Arora, MDInternal Medicine Physician1194037432
- Whitney Reigh Asao, OTD, OTR/LOccupational Therapist1568082766
- Mary Grace Bagalso, CRNACertified Registered Nurse Anesthetist1609014141
Verify Stephen Arnold in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.0 times the Medicare Part D claims of the average internal medicine physician in 2024
8,335 Medicare Part D claims for 786 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 180 claims were for opioids.
Most prescribed
- Atorvastatin Calcium649 claims
- Losartan Potassium563 claims
- Amlodipine Besylate555 claims
- Rosuvastatin Calcium349 claims
- Metoprolol Succinate285 claims
- Levothyroxine Sodium227 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.
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.
All 676 in Honolulu → All 1,022 in Hawaii → Every provider in Honolulu →
Other internal medicine physician records in Hawaii
- Michael Abdo, M.D.Ewa Beach, HI1730671116
- Carlos Abeyta, MDHilo, HI1942253109
- Harry Acuna, MDWaipahu, HI1598872707
- Dale Adams, MDKailua, HI1982709101
- Kevin Adams, MDHonolulu, HI1275640567
- Quinlinn Adolpho, MDTripler Amc, HI1871098483
- Kyan Renie AgbayaniHonolulu, HI1083101323
- Wesam Agha, DOKealakekua, HI1700273554
- Ron Ah Loy, M.D.Kamuela, HI1598795403
- Timothy Ahu, MDAiea, HI1275611204
Common questions
What is Stephen Arnold, M.D.'s NPI number?
Stephen Arnold, M.D.'s National Provider Identifier (NPI) is 1598859928, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Arnold, M.D. located?
The NPPES record lists a practice address at 888 S King St, Honolulu, HI, 96813. Phone: (808) 522-4511. Providers update this record themselves, so call before visiting.
How can I verify Stephen Arnold, 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 Stephen Arnold, M.D. prescribe under Medicare Part D?
In 2024, Stephen Arnold, M.D. had 8,335 Medicare Part D claims for 786 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.