NPPES file of Aug 9, 2026

Justin Iwasaki, MD

Family Medicine Physician · La Conner, WA

Justin Iwasaki, MD is a family medicine physician with a practice address in La Conner, Washington, and NPI 1467745117, issued on May 26, 2011. Check the license (Washington MD 60466022, 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
1467745117
Name
Justin Iwasaki
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD 60466022 WA
Self-reported in NPPES; status is on the state search
Practice location
17400 Reservation RD, La Conner, WA 98257
Phone
(360) 466-3167
Enumerated
May 26, 2011
Record last updated
Feb 3, 2026
Medicare enrollment
Enrolled (PECOS I20150707002158); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 2014
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.
Download card Updates feed

Also registered at 17400 Reservation RD

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

  1. Teylor Hendricks, ARNP, FNP, PMHNPPsychiatric/Mental Health Nurse Practitioner1225520554
  2. David Johnson, PA-CPhysician Assistant1316490337
  3. Michael Lawrence, PHARMDPharmacist1497278535
  4. Catherine Lewis, ARNPFamily Nurse Practitioner1356419071
  5. Yolanda Quevedo, PH.D., LMHCMental Health Counselor1689826679
  6. Michelle Skidmore, RDN, CDCESRegistered Dietitian1114080934

Verify Justin Iwasaki in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD 60466022
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

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

344 Medicare Part D claims for 31 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Justin Iwasaki344
  2. Specialty average3,544

Most prescribed

  1. Albuterol Sulfate Hfa31 claims
  2. Gabapentin30 claims
  3. Atorvastatin Calcium27 claims
  4. Buprenorphine-Naloxone23 claims
  5. Lisinopril21 claims
  6. Metformin Hcl17 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.

Bills Medicare through one group practice

  1. Swinomish Indian Tribal CommunityLa Conner, WA

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

Justin Iwasaki among 5,534 family medicine physician records in Washington

Justin Iwasaki, MD 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 2011, is newer than 62% of them.

  • NPI issued2011 · 62% of these records are older, 36% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2014 · median 2009 among the 3,294 with a school on file
  • 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).

3 family medicine physician records list a practice address in La Conner

They are 3 of the 83 NPPES records with a practice address in La Conner, and 5,534 family medicine physician records in Washington.

The 8 family medicine physician records with the nearest ZIP codes

  1. Lisa Kieneker, MDLa Conner, WA 982571215422928
  2. Charles Larsson, M.D.La Conner, WA 982571528331469
  3. Dougal Chisholm, MDLake Stevens, WA 982581396713350
  4. Marylou Hatcher, MDLake Stevens, WA 982581467427880
  5. Jamila Mainor, M.D.Lake Stevens, WA 982581508052754
  6. Troy Slover, MDBelfair, WA 982581902249063
  7. George Vasil, MDLake Stevens, WA 982581588639330
  8. Annastasia Kovscek, M.D.Langley, WA 982601417143256

Common questions

What is Justin Iwasaki, MD's NPI number?

Justin Iwasaki, MD's National Provider Identifier (NPI) is 1467745117, issued on May 26, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Justin Iwasaki, MD located?

The NPPES record lists a practice address at 17400 Reservation RD, La Conner, WA, 98257. Phone: (360) 466-3167. Providers update this record themselves, so call before visiting.

How can I verify Justin Iwasaki, MD's license?

NPPES lists Washington license number MD 60466022, 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 Justin Iwasaki, MD prescribe under Medicare Part D?

In 2024, Justin Iwasaki, MD had 344 Medicare Part D claims for 31 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.