NPPES file of Aug 9, 2026

Dickson Lam, M.D.

Internal Medicine Physician · Bellevue, WA

Dickson Lam, M.D. is an internal medicine physician with a practice address in Bellevue, Washington, and NPI 1659333649, issued on Apr 5, 2006. Check the license (Washington MD00042658, 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
1659333649
Name
Dickson Lam
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD00042658 WA
Self-reported in NPPES; status is on the state search
Practice location
1035 116TH Ave NE, Bellevue, WA 98004
Phone
(425) 688-5072
Enumerated
Apr 5, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(425) 467-3310
Medicaid ID
8357352 WA
Medicare enrollment
Enrolled (PECOS I20101006000567); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 2000
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 1035 116TH Ave NE

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

  1. Stanley Abramski, MDPsychiatry Physician1245255181
  2. Shelley Agricola, MDAnesthesiology Physician1659328326
  3. Michael Ames, MDHospitalist Physician1255622643
  4. Christopher Andersen, MDHospitalist Physician1558371971
  5. Colin Andrews, MDAnesthesiology Physician1124482054
  6. Randall Baker, MDAnesthesiology Physician1942240528

Verify Dickson Lam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00042658
    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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89% fewer Medicare Part D claims than the average internal medicine physician in 2024

343 Medicare Part D claims for 70 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Dickson Lam343
  2. Specialty average3,176

Most prescribed

  1. Albuterol Sulfate Hfa20 claims
  2. Atorvastatin Calcium18 claims
  3. Isosorbide Dinitrate17 claims
  4. Donepezil Hcl13 claims
  5. Amlodipine Besylate11 claims
  6. Eliquis11 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 MIPS final score for 2023 (Medicare payment program): 79.2 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 score74.5
  2. Costout of 100 · 30%56.0
  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).

Bills Medicare through one group practice

  1. Overlake Medical Clinics LLCBellevue, WA

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

Dickson Lam among 3,079 internal medicine physician records in Washington

Dickson Lam, M.D. is one of 3,079 internal medicine physician records with a practice address in Washington. 75% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 55% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2000 · median 2006 among the 1,852 with a school on file
  • Record last updated2007 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

115 internal medicine physician records list a practice address in Bellevue

They are 115 of the 6,738 NPPES records with a practice address in Bellevue, and 3,079 internal medicine physician records in Washington.

The 8 internal medicine physician records with the nearest ZIP codes

  1. James Boswell, M.D.Bellevue, WA 980041558322115
  2. Renu Chawla, MDBellevue, WA 980041285634790
  3. Ryan Chew, M.D.Bellevue, WA 980041659333912
  4. Jill Enright, M.D.Bellevue, WA 980041740240340
  5. David Knoepfler, M.D.Bellevue, WA 980041164484119
  6. Shawn Lee, M.D.Bellevue, WA 980041093777096
  7. David Morton, M.D.Bellevue, WA 980041013978204
  8. Arash Nadershahi, M.D.Bellevue, WA 980041881656262

Common questions

What is Dickson Lam, M.D.'s NPI number?

Dickson Lam, M.D.'s National Provider Identifier (NPI) is 1659333649, issued on Apr 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dickson Lam, M.D. located?

The NPPES record lists a practice address at 1035 116TH Ave NE, Bellevue, WA, 98004. Phone: (425) 688-5072. Providers update this record themselves, so call before visiting.

How can I verify Dickson Lam, M.D.'s license?

NPPES lists Washington license number MD00042658, 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 Dickson Lam, M.D. prescribe under Medicare Part D?

In 2024, Dickson Lam, M.D. had 343 Medicare Part D claims for 70 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Dickson Lam, M.D.'s MIPS final score?

The 2023 MIPS final score is 79.2 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), 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.