NPPES file of Aug 9, 2026

Frank Allen Williams, M.D.

Internal Medicine Physician · Kailua, HI

Frank Allen Williams, M.D. is an internal medicine physician with a practice address in Kailua, Hawaii, and NPI 1992811574, issued on Aug 23, 2006. Check the license (Hawaii 6998, as entered in NPPES) 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992811574
Name
Frank Allen Williams
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
6998 HI
Self-reported in NPPES; status is on the state search
Practice location
157 Kihapai St Unit A, Kailua, HI 96734
Phone
(808) 499-9979
Enumerated
Aug 23, 2006
Record last updated
Apr 25, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(844) 861-2469
Medicaid ID
06814401 HI
Medicare enrollment
Enrolled (PECOS I20050921001069); accepts Medicare assignment
Medical or professional school
Howard University College Of Medicine, 1985
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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Verify Frank Allen Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license 6998
    Check 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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83% fewer Medicare Part D claims than the average internal medicine physician in 2024

536 Medicare Part D claims for 366 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Frank Williams536
  2. Specialty average3,176

Most prescribed

  1. Doxycycline Hyclate161 claims
  2. Cefuroxime78 claims
  3. Amoxicillin24 claims
  4. Prednisone23 claims
  5. Azithromycin21 claims
  6. Amoxicillin-Clavulanate Potass19 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

  1. Queens University Medical GroupHonolulu, HI

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

Frank Allen Williams among 902 internal medicine physician records in Hawaii

Frank Allen Williams, 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 fileYes · 54% of these records are
  • Graduated1985 · median 2001 among the 491 with a school on file
  • Record last updated2021 · 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).

21 internal medicine physician records list a practice address in Kailua

They are 21 of the 1,421 NPPES records with a practice address in Kailua, and 902 internal medicine physician records in Hawaii.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Dale Adams, MDKailua, HI 967341982709101
  2. Sally Chang, M.D.Kailua, HI 967341528041621
  3. Margaret Hu, MDKailua, HI 967341619046844
  4. Helen Ing, M.D.Kailua, HI 967341346290947
  5. Howard Keller, MDKailua, HI 967341124032594
  6. Mark Kimbrell, M.D.Kailua, HI 967341548238058
  7. Trang Le, M.DKailua, HI 967341679664627
  8. Steven Lum, MDKailua, HI 967341790874972

Common questions

What is Frank Allen Williams, M.D.'s NPI number?

Frank Allen Williams, M.D.'s National Provider Identifier (NPI) is 1992811574, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Frank Allen Williams, M.D. located?

The NPPES record lists a practice address at 157 Kihapai St Unit A, Kailua, HI, 96734. Phone: (808) 499-9979. Providers update this record themselves, so call before visiting.

How can I verify Frank Allen Williams, M.D.'s license?

NPPES lists Hawaii license number 6998, 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 Frank Allen Williams, M.D. prescribe under Medicare Part D?

In 2024, Frank Allen Williams, M.D. had 536 Medicare Part D claims for 366 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.