David C. Williams, MD
Hospitalist Physician · Wailuku, HI
David C. Williams, MD is a hospitalist physician with a practice address in Wailuku, Hawaii, and NPI 1689897985, issued on Apr 11, 2007. Check the license (Hawaii MD-15719, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- David C. Williams
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- MD-15719 HI
44819 CO
Self-reported in NPPES; status is on the state search - Practice location
- 221 Mahalani St, Wailuku, HI 96793
- Phone
- (808) 244-9056
- Enumerated
- Apr 11, 2007
- Record last updated
- May 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110208000856); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 159 in Hawaii → Look up another NPI →
Also registered at 221 Mahalani St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bettina Ackermann, MDPediatrics Physician1205807625
- Naira ArellanoAcute Care Nurse Practitioner1831525898
- Danielle Aubert-Anderson, LMSWSocial Worker1508369422
- James Bendon, MDDiagnostic Radiology Physician1780725432
- Miriam BerchukAnesthesiology Physician1013573823
- Ariel Berrios, PA-CPhysician Assistant1669911640
Verify David C. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-15719Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average hospitalist physician in 2024
372 Medicare Part D claims for 94 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Metoprolol Succinate25 claims
- Atorvastatin Calcium21 claims
- Clopidogrel12 claims
- Metoprolol Tartrate12 claims
- Losartan Potassium11 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.
Bills Medicare through one group practice
- Hawaii Permanente Medical Group IncWailuku, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David C. Williams among 159 hospitalist physician records in Hawaii
David C. Williams, MD is one of 159 hospitalist physician records with a practice address in Hawaii. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 30% of them.
- NPI issued2007 · 30% of these records are older, 56% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2005 · median 2008 among the 129 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 hospitalist physician records list a practice address in Wailuku
They are 29 of the 1,087 NPPES records with a practice address in Wailuku, and 159 hospitalist physician records in Hawaii.
All 159 in Hawaii → Every provider in Wailuku → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Evan Brown, DOWailuku, HI 967931477754331
- Zora Bulatovic, M.D.Wailuku, HI 967931629001227
- Terezia Bush, MDWailuku, HI 967931013069517
- Margot Crandall, MDWailuku, HI 967931033217146
- Anna Eckart-Dodd, M.D.Wailuku, HI 967931730399551
- David Graff, M.D.Wailuku, HI 967931306865035
- Scott Hoskinson, MDWailuku, HI 967931659427557
- Kimberly Kowalski, M.D.Wailuku, HI 967931538107453
Common questions
What is David C. Williams, MD's NPI number?
David C. Williams, MD's National Provider Identifier (NPI) is 1689897985, issued on Apr 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David C. Williams, MD located?
The NPPES record lists a practice address at 221 Mahalani St, Wailuku, HI, 96793. Phone: (808) 244-9056. Providers update this record themselves, so call before visiting.
How can I verify David C. Williams, MD's license?
NPPES lists Hawaii license number MD-15719, 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 David C. Williams, MD prescribe under Medicare Part D?
In 2024, David C. Williams, MD had 372 Medicare Part D claims for 94 beneficiaries; the average among hospitalist physician prescribers was 521. 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.