William Adler, M.D.
Hematology & Oncology Physician · Wailuku, HI
William Adler, M.D. is a hematology & oncology physician with a practice address in Wailuku, Hawaii, and NPI 1710918610, issued on Jul 6, 2006. Check the license (Hawaii MD13409, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Adler
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD13409 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 6, 2006
- Record last updated
- Apr 8, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (808) 243-2375
- Medicaid ID
- 57123301 HI
- Medicare enrollment
- Enrolled (PECOS I20040518000377); accepts Medicare assignment
- Medical or professional school
- University Of New Mexico School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 49 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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- Tatiana Arce, APRNFamily Nurse Practitioner1003692583
- Nolan Arruda, M.D.Internal Medicine Physician1043242209
- Victoria Babushkina, MDInternal Medicine Physician1972568483
- Rowena Nikki Baysa, ARNPFamily Nurse Practitioner1205409018
Verify William Adler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD13409Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,289 Medicare Part D claims for 242 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Anastrozole238 claims
- Letrozole103 claims
- Prochlorperazine Maleate69 claims
- Ondansetron Hcl67 claims
- Dexamethasone65 claims
- Tamoxifen Citrate52 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $128.98
7 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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.
Bills Medicare through one group practice
- Phc-Las Cruces IncLas Cruces, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Adler among 49 hematology & oncology physician records in Hawaii
William Adler, M.D. is one of 49 hematology & oncology physician records with a practice address in Hawaii. 84% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 39% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1998 · median 2000 among the 34 with a school on file
- Record last updated2008 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Hawaii
There are 49 hematology & oncology physician records in Hawaii.
All 49 in Hawaii → Every provider in Wailuku → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Devena Alston-Johnson, MDWailuku, HI 967931891732616
- Ramin Altaha, MDWailuku, HI 967931083649982
- Thomas Deleon, M.D.Wailuku, HI 967931245526623
- Larry Ebbert, MDWailuku, HI 967931518058163
- Gregory Pollack, M.D.Wailuku, HI 967931346428158
- Judy Schmidt, M.D.Wailuku, HI 967931679578827
- Dhiraj Yadav, M.D.Wailuku, HI 967931104267608
- Kenneth Herbst, M.D.Waianae, HI 967921497783351
Common questions
What is William Adler, M.D.'s NPI number?
William Adler, M.D.'s National Provider Identifier (NPI) is 1710918610, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Adler, 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 Adler, M.D.'s license?
NPPES lists Hawaii license number MD13409, 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 Adler, M.D. prescribe under Medicare Part D?
In 2024, William Adler, M.D. had 1,289 Medicare Part D claims for 242 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is William Adler, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.