NPPES file of Aug 9, 2026

Katherine Anne Williams, M.D.

Diagnostic Radiology Physician · Honolulu, HI

Katherine Anne Williams, M.D. is a diagnostic radiology physician with a practice address in Honolulu, Hawaii, and NPI 1689987984, issued on Jul 15, 2010. Check the license on the Hawaii Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689987984
Name
Katherine Anne Williams
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
173890 NC
125057864 IL
Self-reported in NPPES; status is on the state search
Practice location
1380 Lusitana St Ste 1007A, Honolulu, HI 96813
Phone
(808) 748-4700
Enumerated
Jul 15, 2010
Record last updated
Aug 4, 2023
Medicare enrollment
Enrolled (PECOS I20160712001671); accepts Medicare assignment
Medical or professional school
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1380 Lusitana St Ste 1007A

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

  1. Erin Capps, M.D.Diagnostic Radiology Physician1558571794
  2. Michael Hong, M.D.Vascular & Interventional Radiology Physician1306295225
  3. Mark LumStudent in an Organized Health Care Education/Training Program1568858850

Verify Katherine Anne Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical BoardCheck 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

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The MIPS final score for 2023 (Medicare payment program): 94.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score84.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Columbus Radiology CorpHonolulu, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Katherine Anne Williams among 166 diagnostic radiology physician records in Hawaii

Katherine Anne Williams, M.D. is one of 166 diagnostic radiology physician records with a practice address in Hawaii. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 84% of them.

  • NPI issued2010 · 84% of these records are older, 13% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2010 · median 2002 among the 91 with a school on file
  • Record last updated2023 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Hawaii

There are 166 diagnostic radiology physician records in Hawaii.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Peter Balkin, M.D.Honolulu, HI 968131104921725
  2. Donald Blair, MDHonolulu, HI 968131477523710
  3. John Cieply, MDHonolulu, HI 968131326098740
  4. Richard Dejournett, M.D.Honolulu, HI 968131982691341
  5. Craig Hamasaki, MDHonolulu, HI 968131588614523
  6. Peter Holt, MDHonolulu, HI 968131598728891
  7. Paul Isenbarger, M.D.Honolulu, HI 968131134193980
  8. Lance Knecht, MDHonolulu, HI 968131417937418

Common questions

What is Katherine Anne Williams, M.D.'s NPI number?

Katherine Anne Williams, M.D.'s National Provider Identifier (NPI) is 1689987984, issued on Jul 15, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Anne Williams, M.D. located?

The NPPES record lists a practice address at 1380 Lusitana St Ste 1007A, Honolulu, HI, 96813. Phone: (808) 748-4700. Providers update this record themselves, so call before visiting.

How can I verify Katherine Anne Williams, 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.

What is Katherine Anne Williams, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.