NPPES file of Aug 9, 2026

Ilhwan Hwang, DO

Family Medicine Physician · Redmond, WA

Ilhwan Hwang, DO is a family medicine physician with a practice address in Redmond, Washington, and NPI 1720771405, issued on May 30, 2023. Check the license (Washington DO.OP.70057985, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720771405
Name
Ilhwan Hwang
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
DO.OP.70057985 WA
Self-reported in NPPES; status is on the state search
Practice location
17181 Redmond Way Ste 300, Redmond, WA 98052
Phone
(425) 635-6430
Enumerated
May 30, 2023
Record last updated
Aug 5, 2026
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 17181 Redmond Way Ste 300

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

  1. Erin Ausborn, D.O.Family Medicine Physician1417307349
  2. Mahyar Badrei, D.O.Adult Medicine Physician1992026561
  3. Yury Ragoza, DOFamily Medicine Physician1689054264

Verify Ilhwan Hwang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license DO.OP.70057985
    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

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90% fewer Medicare Part D claims than the average family medicine physician in 2024

358 Medicare Part D claims for 49 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Ilhwan Hwang358
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium31 claims
  2. Tizanidine Hcl23 claims
  3. Metformin Hcl22 claims
  4. Metoprolol Tartrate22 claims
  5. Amlodipine Besylate16 claims
  6. Lisinopril15 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.

Ilhwan Hwang among 5,534 family medicine physician records in Washington

Ilhwan Hwang, DO is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 97% of them.

  • NPI issued2023 · 97% of these records are older, 2% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2026 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

76 family medicine physician records list a practice address in Redmond

They are 76 of the 1,797 NPPES records with a practice address in Redmond, and 5,534 family medicine physician records in Washington.

The 8 family medicine physician records with the nearest ZIP codes

  1. Gregory Aeschliman, MDRedmond, WA 980521770565756
  2. Robert Bayles, MDRedmond, WA 980521235111220
  3. Jeffrey BrownRedmond, WA 980521912907783
  4. Philip Chan, MDRedmond, WA 980521942231899
  5. Jenny Chen, MDRedmond, WA 980521427041102
  6. James Ho, MDRedmond, WA 980521497787196
  7. Pen Hou, M.D.Redmond, WA 980521114960937
  8. Mindy Hsue, M.D.Redmond, WA 980521760415251

Common questions

What is Ilhwan Hwang, DO's NPI number?

Ilhwan Hwang, DO's National Provider Identifier (NPI) is 1720771405, issued on May 30, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Ilhwan Hwang, DO located?

The NPPES record lists a practice address at 17181 Redmond Way Ste 300, Redmond, WA, 98052. Phone: (425) 635-6430. Providers update this record themselves, so call before visiting.

How can I verify Ilhwan Hwang, DO's license?

NPPES lists Washington license number DO.OP.70057985, 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 Ilhwan Hwang, DO prescribe under Medicare Part D?

In 2024, Ilhwan Hwang, DO had 358 Medicare Part D claims for 49 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.