NPPES file of Aug 9, 2026

Kwanghoon Han, MD

Rheumatology Physician · Seattle, WA

Kwanghoon Han, MD is a rheumatology physician with a practice address in Seattle, Washington, and NPI 1740201615, issued on Jul 23, 2006. Check the license (Washington MD60665841, as entered in NPPES) on the Washington Medical Commission; 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
1740201615
Name
Kwanghoon Han
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
MD60665841 WA
Self-reported in NPPES; status is on the state search
Practice location
4245 Roosevelt Way NE, Seattle, WA 98105
Phone
(206) 598-6285
Enumerated
Jul 23, 2006
Record last updated
Sep 14, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicaid ID
1740201615 WA
Medicare enrollment
Enrolled (PECOS I20160810002711); 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 4245 Roosevelt Way NE

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

  1. Justin Achua, MDUrology Physician1386222552
  2. Faaiza Alibhai, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1851778328
  3. Richard ArnoldGeriatric Medicine (Internal Medicine) Physician1912097866
  4. Amy Baernstein, MDInternal Medicine Physician1841376647
  5. Kathryn Berkseth, MDEndocrinology, Diabetes & Metabolism Physician1255524914
  6. Valerie Bobb, PHYSICAL THERAPISTPhysical Therapist1477616639

Verify Kwanghoon Han in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60665841
    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 Washington 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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16% fewer Medicare Part D claims than the average rheumatology physician in 2024

1,662 Medicare Part D claims for 184 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 46 claims were for opioids.

  1. Kwanghoon Han1,662
  2. Specialty average1,978

Most prescribed

  1. Methotrexate234 claims
  2. Leflunomide181 claims
  3. Prednisone175 claims
  4. Hydroxychloroquine Sulfate128 claims
  5. Humira(Cf) Pen70 claims
  6. Leucovorin Calcium70 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 MIPS final score for 2023 (Medicare payment program): 93.1 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 score74.0
  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).

Industry payments in 2024: $1,734.05

6 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kwanghoon Han$1,734.05
  2. Specialty average$8,538.33

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

Bills Medicare through one group practice

  1. The Association OF University PhysiciansSeattle, WA

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

Kwanghoon Han among 200 rheumatology physician records in Washington

Kwanghoon Han, MD is one of 200 rheumatology physician records with a practice address in Washington. 77% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 52% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1994 · median 2005 among the 123 with a school on file
  • Record last updated2016 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Washington

There are 200 rheumatology physician records in Washington.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Carin DugowsonSeattle, WA 981051427134279
  2. Hsin-Hsuan Juo, M.D.Seattle, WA 981051134495617
  3. Reynold Karr, M.D.Seattle, WA 981051437259835
  4. Christi Kenyon, MDSeattle, WA 981051508852633
  5. Rayan Najjar, MD, MPHSeattle, WA 981051750817672
  6. Erika Noss, M.D., PH.D.Seattle, WA 981051730271636
  7. Namrata Singh, M.D.Seattle, WA 981051306131495
  8. Anubhav Singh, M.DSeattle, WA 981051477249407

Common questions

What is Kwanghoon Han, MD's NPI number?

Kwanghoon Han, MD's National Provider Identifier (NPI) is 1740201615, issued on Jul 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kwanghoon Han, MD located?

The NPPES record lists a practice address at 4245 Roosevelt Way NE, Seattle, WA, 98105. Phone: (206) 598-6285. Providers update this record themselves, so call before visiting.

How can I verify Kwanghoon Han, MD's license?

NPPES lists Washington license number MD60665841, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kwanghoon Han, MD prescribe under Medicare Part D?

In 2024, Kwanghoon Han, MD had 1,662 Medicare Part D claims for 184 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Kwanghoon Han, MD's MIPS final score?

The 2023 MIPS final score is 93.1 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.