NPPES file of Aug 9, 2026

William Baumgarten Lee, M.D.

Emergency Medicine Physician · Honolulu, HI

William Baumgarten Lee, M.D. is an emergency medicine physician with a practice address in Honolulu, Hawaii, and NPI 1871683920, issued on Oct 12, 2006. Check the license (Hawaii MD-9491, 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
1871683920
Name
William Baumgarten Lee
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
MD-9491 HI
Self-reported in NPPES; status is on the state search
Practice location
888 S King St, Honolulu, HI 96813
Phone
(808) 522-3781
Enumerated
Oct 12, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(808) 522-4062
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). 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 William Baumgarten Lee in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-9491
    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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36% more Medicare Part D claims than the average emergency medicine physician in 2024

308 Medicare Part D claims for 213 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 47 claims were for opioids.

  1. William Lee308
  2. Specialty average226

Most prescribed

  1. Tramadol Hcl29 claims
  2. Meclizine Hcl22 claims
  3. Sulfamethoxazole-Trimethoprim19 claims
  4. Cephalexin16 claims
  5. Ciprofloxacin Hcl13 claims
  6. Doxycycline Hyclate11 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).

Industry payments in 2024: $125.00

1 payment: food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Lee$125.00
  2. Specialty average$953.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

William Baumgarten Lee among 370 emergency medicine physician records in Hawaii

William Baumgarten Lee, M.D. is one of 370 emergency medicine physician records with a practice address in Hawaii. 78% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 64% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2007 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

161 emergency medicine physician records list a practice address in Honolulu

They are 161 of the 12,408 NPPES records with a practice address in Honolulu, and 370 emergency medicine physician records in Hawaii.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Vijak Ayasanonda, M.D.Honolulu, HI 968131346285582
  2. Monte Elias, M.D.Honolulu, HI 968131821024985
  3. Mark Flanagan, DOHonolulu, HI 968131679559132
  4. Lily Gallagher, M.D.Honolulu, HI 968131538198916
  5. Ramsey Hasan, MDHonolulu, HI 968131184662256
  6. Matt Ing, M.D.Honolulu, HI 968131295770881
  7. Eric Klemmer, M.D.Honolulu, HI 968131346276052
  8. Dale Oda, M.D.Honolulu, HI 968131831126556

Common questions

What is William Baumgarten Lee, M.D.'s NPI number?

William Baumgarten Lee, M.D.'s National Provider Identifier (NPI) is 1871683920, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Baumgarten Lee, M.D. located?

The NPPES record lists a practice address at 888 S King St, Honolulu, HI, 96813. Phone: (808) 522-3781. Providers update this record themselves, so call before visiting.

How can I verify William Baumgarten Lee, M.D.'s license?

NPPES lists Hawaii license number MD-9491, 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 William Baumgarten Lee, M.D. prescribe under Medicare Part D?

In 2024, William Baumgarten Lee, M.D. had 308 Medicare Part D claims for 213 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is William Baumgarten Lee, 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.