Registry data as of Aug 27, 2026

Naomi Chou, MD

Internal Medicine Physician · Issaquah, WA

Naomi Chou, MD is an internal medicine physician with a practice address in Issaquah, Washington, and NPI 1518487628, issued on Jun 21, 2017. Check the license on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1518487628
Name
Naomi Chou
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
751 NE Blakely Dr Ste 3020, Issaquah, WA 98029
Phone
(425) 313-5345
Enumerated
Jun 21, 2017
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 751 NE Blakely Dr Ste 3020

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

  1. Humera Ali, MDCardiovascular Disease Physician1174587950
  2. Alexandria Becker, PA-CMedical Physician Assistant1114437464
  3. Michael Chiorean, MDGastroenterology Physician1578527099
  4. Mary Golightly, ARNPRegistered Nurse1588201917
  5. Alexander Pan, MDCardiovascular Disease Physician1124232947
  6. Michele Pulling, MDInternal Medicine Physician1184739054

Verify Naomi Chou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical CommissionCheck 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.

85% fewer Medicare Part D claims than the average internal medicine physician in 2024

429 Medicare Part D claims for 240 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Naomi Chou429
  2. Specialty average2,785

Most prescribed

  1. Omeprazole94 claims
  2. Peg-3350 And Electrolytes53 claims
  3. Gavilyte-G52 claims
  4. Sod Sulf-Potass Sulf-Mag Sulf44 claims
  5. Loperamide27 claims
  6. Gavilyte-C23 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 Medicare quality score for 2023: 82.8 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 score82.1
  2. Costout of 100 · 30%60.7
  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: $100.04

1 payment, mostly food and beverage; the largest payer was Boston Scientific Corporation. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Naomi Chou$100.04
  2. Specialty average$2,536.66

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

2 hospital and facility affiliations

  1. Pacmed ClinicsSeattle, WA
  2. Swedish Health ServicesIssaquah, WA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

23 internal medicine physician records list a Issaquah practice address

They are 23 of the 1,727 NPPES records with a Issaquah practice address, and 3,888 internal medicine physician records in Washington.

Other internal medicine physician records in Washington

  1. Sheida Aalami, M.D.Seattle, WA1730573296
  2. Barry Aaronson, MDSeattle, WA1952418345
  3. Gloria AbacanProsser, WA1316040298
  4. Rebecca AbaySeattle, WA1528565520
  5. Naseer Abbas, MDTacoma, WA1962769380
  6. Joel Abbott, D.O.Tacoma, WA1477752723
  7. Jesse Abbott Klafter, M.D.Renton, WA1225394935
  8. Paul Abdallah, MDSeattle, WA1639166119
  9. Abir Abdel-Kader, MDRichland, WA1649407081
  10. Hussein Abdille, MDSeattle, WA1588368831

Common questions

What is Naomi Chou, MD's NPI number?

Naomi Chou, MD's National Provider Identifier (NPI) is 1518487628, issued on Jun 21, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Naomi Chou, MD located?

The NPPES record lists a practice address at 751 NE Blakely Dr Ste 3020, Issaquah, WA, 98029. Phone: (425) 313-5345. Providers update this record themselves, so call before visiting.

How can I verify Naomi Chou, MD's license?

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 Naomi Chou, MD prescribe under Medicare Part D?

In 2024, Naomi Chou, MD had 429 Medicare Part D claims for 240 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Naomi Chou, MD's Medicare quality score?

The 2023 MIPS final score is 82.8 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.