NPPES file of Aug 9, 2026

Sian Yik Lim, MD

Rheumatology Physician · Aiea, HI

Sian Yik Lim, MD is a rheumatology physician with a practice address in Aiea, Hawaii, and NPI 1992092225, issued on Jul 7, 2011. Check the license (Hawaii MD-18519, 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
1992092225
Name
Sian Yik Lim
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
MD-18519 HI
Self-reported in NPPES; status is on the state search
Practice location
98-1079 Moanalua RD Ste 300, Aiea, HI 96701
Phone
(617) 726-5650
Enumerated
Jul 7, 2011
Record last updated
Feb 2, 2022
Fax
(617) 726-2872
Medicare enrollment
Enrolled (PECOS I20160812001760); 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 98-1079 Moanalua RD Ste 300

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

  1. Ashley Aratani, M.D.Orthopaedic Surgery Physician1578909743
  2. Jill Inouye, M.D.Sports Medicine (Family Medicine) Physician1992016802
  3. Mariya OpanovaOrthopaedic Surgery Physician1851710180

Verify Sian Yik Lim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-18519
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.3 times the Medicare Part D claims of the average rheumatology physician in 2024

4,488 Medicare Part D claims for 853 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 69 claims were for opioids.

  1. Sian Yik Lim4,488
  2. Specialty average1,978

Most prescribed

  1. Prednisone701 claims
  2. Leflunomide470 claims
  3. Sulfasalazine449 claims
  4. Methotrexate434 claims
  5. Alendronate Sodium324 claims
  6. Allopurinol240 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.

Rheumatology Physician providers in Hawaii

There are 24 rheumatology physician records in Hawaii.

Other rheumatology physician records in Hawaii

  1. Deryll Ambrocio, MDHonolulu, HI1730301219
  2. Mary Ann Antonelli, M.D.Kailua, HI1861443319
  3. Dennis Boulware, MDHonolulu, HI1689621674
  4. Daniel Brandt, M.D.Honolulu, HI1316929011
  5. David Finger, M.D.Honolulu, HI1689663890
  6. Audrey Hagiwara, MDKailua, HI1609496983
  7. Jane Hernandez-Ing, M.D.Kaneohe, HI1548225915
  8. Michiko Inaba, MDHonolulu, HI1083833388
  9. Sadao Jinno, M.D.Honolulu, HI1215139571
  10. Heejae Jung, PA-CHonolulu, HI1881249688

Common questions

What is Sian Yik Lim, MD's NPI number?

Sian Yik Lim, MD's National Provider Identifier (NPI) is 1992092225, issued on Jul 7, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Sian Yik Lim, MD located?

The NPPES record lists a practice address at 98-1079 Moanalua RD Ste 300, Aiea, HI, 96701. Phone: (617) 726-5650. Providers update this record themselves, so call before visiting.

How can I verify Sian Yik Lim, MD's license?

NPPES lists Hawaii license number MD-18519, 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 Sian Yik Lim, MD prescribe under Medicare Part D?

In 2024, Sian Yik Lim, MD had 4,488 Medicare Part D claims for 853 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Sian Yik Lim, MD'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.