NPPES file of Aug 9, 2026

John I. Yam

Pediatrics Physician · Redmond, WA

John I. Yam is a pediatrics physician with a practice address in Redmond, Washington, and NPI 1699782367, issued on Aug 2, 2006. Check the license (Washington MD13395, 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
1699782367
Name
John I. Yam
Primary taxonomy
Pediatrics Physician 208000000X
License number
MD13395 WA
Self-reported in NPPES; status is on the state search
Practice location
2103 152ND Ave NE, Redmond, WA 98052
Phone
(425) 746-2400
Enumerated
Aug 2, 2006
Record last updated
Sep 11, 2025
Fax
(425) 746-2659
Medicare enrollment
Enrolled (PECOS I20101229000739); 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 2103 152ND Ave NE

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

  1. Jackline Joseph, M.D.Internal Medicine Physician1407889173
  2. Horng Min Leou, M.D.Internal Medicine Physician1427083419
  3. Minh Pham, L.AC.Acupuncturist1235461955
  4. Garrett Yam, MDInternal Medicine Physician1811146970

Verify John I. Yam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD13395
    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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22% fewer Medicare Part D claims than the average pediatrics physician in 2024

294 Medicare Part D claims for 28 beneficiaries, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. John Yam294
  2. Specialty average375

Most prescribed

  1. Rosuvastatin Calcium47 claims
  2. Olmesartan Medoxomil25 claims
  3. Metformin Hcl Er24 claims
  4. Atorvastatin Calcium21 claims
  5. Amlodipine Besylate19 claims
  6. Tamsulosin Hcl15 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.

Industry payments in 2024: $809.87

37 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Yam$809.87
  2. Specialty average$842.05

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. Interlake Medical Center, PLLCRedmond, WA

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

John I. Yam among 1,753 pediatrics physician records in Washington

John I. Yam is one of 1,753 pediatrics physician records with a practice address in Washington. 14% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 59% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 7% of these records are
  • Graduated1968 · median 2014 among the 124 with a school on file
  • Record last updated2025 · 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 208000000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

39 pediatrics physician records list a practice address in Redmond

They are 39 of the 1,797 NPPES records with a practice address in Redmond, and 1,753 pediatrics physician records in Washington.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Cassandra Beaulieu, MDRedmond, WA 980521578635215
  2. S. Bloomer, M.D.Redmond, WA 980521851448427
  3. Jill Brubaker, MDRedmond, WA 980521518039171
  4. Ruth Crosby, MDRedmond, WA 980521114091899
  5. Holly GinsbergRedmond, WA 980521942392204
  6. Sandra Griffith, MDRedmond, WA 980521447324165
  7. Sharon Hempler, MDRedmond, WA 980521821099722
  8. Cynthia Keller, MDRedmond, WA 980521609868538

Common questions

What is John I. Yam's NPI number?

John I. Yam's National Provider Identifier (NPI) is 1699782367, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John I. Yam located?

The NPPES record lists a practice address at 2103 152ND Ave NE, Redmond, WA, 98052. Phone: (425) 746-2400. Providers update this record themselves, so call before visiting.

How can I verify John I. Yam's license?

NPPES lists Washington license number MD13395, 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 John I. Yam prescribe under Medicare Part D?

In 2024, John I. Yam had 294 Medicare Part D claims for 28 beneficiaries; the average among pediatrics physician prescribers was 375. 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.