William Mitchell, M.D.
Internal Medicine Physician · Wailuku, HI
William Mitchell, M.D. is an internal medicine physician with a practice address in Wailuku, Hawaii, and NPI 1972527877, issued on Jul 26, 2006. Check the license (Hawaii MD2374, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Mitchell
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD2374 HI
Self-reported in NPPES; status is on the state search - Practice location
- 2180 Main St, Wailuku, HI 96793
- Phone
- (808) 242-6464
- Enumerated
- Jul 26, 2006
- Record last updated
- Dec 18, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (808) 243-2309
- Medicaid ID
- 04262401 HI
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 902 in Hawaii → Look up another NPI →
Also registered at 2180 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Insaf Ally, M.D.Internal Medicine Physician1750635801
- Tatiana Arce, APRNFamily Nurse Practitioner1003692583
- Nolan Arruda, M.D.Internal Medicine Physician1043242209
- Victoria Babushkina, MDInternal Medicine Physician1972568483
Verify William Mitchell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD2374Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average internal medicine physician in 2024
3,704 Medicare Part D claims for 555 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Trelegy Ellipta364 claims
- Albuterol Sulfate Hfa329 claims
- Prednisone295 claims
- Atorvastatin Calcium202 claims
- Breztri Aerosphere128 claims
- Azithromycin116 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: $179.64
3 payments; by number, the most common kind was food and beverage; the largest payer was Terumo Medical Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Mitchell among 902 internal medicine physician records in Hawaii
William Mitchell, M.D. is one of 902 internal medicine physician records with a practice address in Hawaii. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 55% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 54% of these records are
- Record last updated2017 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 internal medicine physician records list a practice address in Wailuku
They are 39 of the 1,087 NPPES records with a practice address in Wailuku, and 902 internal medicine physician records in Hawaii.
All 902 in Hawaii → Every provider in Wailuku → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nolan Arruda, M.D.Wailuku, HI 967931043242209
- Victoria Babushkina, MDWailuku, HI 967931972568483
- Daniel Garcia, M.D.Wailuku, HI 967931689699449
- Russell Garn, M.D.Wailuku, HI 967931033134804
- Paul Grandon, MDWailuku, HI 967931215908959
- Arpana Gupta, MDWailuku, HI 967931285668624
- Kristen Gutermuth, M.D.Wailuku, HI 967931558386243
- Heather Haynes, M.D.Wailuku, HI 967931487664587
Common questions
What is William Mitchell, M.D.'s NPI number?
William Mitchell, M.D.'s National Provider Identifier (NPI) is 1972527877, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Mitchell, M.D. located?
The NPPES record lists a practice address at 2180 Main St, Wailuku, HI, 96793. Phone: (808) 242-6464. Providers update this record themselves, so call before visiting.
How can I verify William Mitchell, M.D.'s license?
NPPES lists Hawaii license number MD2374, 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 William Mitchell, M.D. prescribe under Medicare Part D?
In 2024, William Mitchell, M.D. had 3,704 Medicare Part D claims for 555 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.
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.