NPPES file of Aug 9, 2026

Frank D. Singer, M.D.

Endocrinology, Diabetes & Metabolism Physician · Honolulu, HI

Frank D. Singer, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Honolulu, Hawaii, and NPI 1134217961, issued on Oct 10, 2006. Check the license (Hawaii MD-5262, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134217961
Name
Frank D. Singer
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
MD-5262 HI
Self-reported in NPPES; status is on the state search
Practice location
888 S King St, Honolulu, HI 96813
Phone
(808) 522-4344
Enumerated
Oct 10, 2006
Record last updated
Oct 13, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(808) 522-3336
Medicare enrollment
Enrolled (PECOS I20100528000584); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 888 S King St

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

  1. Ayman Abdul-Ghani, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1548449218
  2. Cedric Akau, M.D.Physical Medicine & Rehabilitation Physician1437254034
  3. Christopher Apostolides, PAPhysician Assistant1083655153
  4. Stephen Arnold, M.D.Internal Medicine Physician1598859928
  5. Swaty Arora, MDHematology & Oncology Physician1194037432
  6. Whitney Reigh Asao, OTD, OTR/LOccupational Therapist1568082766

Verify Frank D. Singer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-5262
    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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11% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

2,343 Medicare Part D claims for 413 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.

  1. Frank Singer2,343
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium322 claims
  2. Jardiance142 claims
  3. Alendronate Sodium120 claims
  4. Methimazole93 claims
  5. Synthroid91 claims
  6. Glipizide Er89 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 86.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score80.3
  2. Costout of 100 · 30%73.7
  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, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital affiliation

  1. Straub Clinic And HospitalHonolulu, HI · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Frank D. Singer among 24 endocrinology, diabetes & metabolism physician records in Hawaii

Frank D. Singer, M.D. is one of 24 endocrinology, diabetes & metabolism physician records with a practice address in Hawaii. 79% 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, 63% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1984 · median 2003 among the 16 with a school on file
  • Record last updated2010 · 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 207RE0101X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Hawaii

There are 24 endocrinology, diabetes & metabolism physician records in Hawaii.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Isabel Casimiro, M.D., PH.D.Honolulu, HI 968131942615596
  2. Mariko Johnson, M.D.Honolulu, HI 968131629279617
  3. Eric Lee, DO, MPH, MSHonolulu, HI 968131306308796
  4. John Meyer, M.D., PH.D.Honolulu, HI 968131750377404
  5. Chanhaeng Rhee, MDHonolulu, HI 968131649464280
  6. Kelsey Shikuma Lee, MDHonolulu, HI 968131568782605
  7. Kamonkiat Wirunsawanya, M.D.Honolulu, HI 968131639552599
  8. Lisa Wong, MDHonolulu, HI 968131891760260

Common questions

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

Frank D. Singer, M.D.'s National Provider Identifier (NPI) is 1134217961, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Frank D. Singer, M.D. located?

The NPPES record lists a practice address at 888 S King St, Honolulu, HI, 96813. Phone: (808) 522-4344. Providers update this record themselves, so call before visiting.

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

NPPES lists Hawaii license number MD-5262, 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 D. Singer, M.D. prescribe under Medicare Part D?

In 2024, Frank D. Singer, M.D. had 2,343 Medicare Part D claims for 413 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Frank D. Singer, M.D.'s MIPS final score?

The 2023 MIPS final score is 86.2 of 100, reported for the practice group. 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.