John Matthew Lacy, MD
Internal Medicine Physician · Seattle, WA
John Matthew Lacy, MD is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1811143365, issued on Aug 15, 2008. Check the license (Washington MD00040446, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- John Matthew Lacy
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00040446 WA
Self-reported in NPPES; status is on the state search - Practice location
- 325 9TH Ave, Seattle, WA 98104
- Phone
- (206) 680-1851
- Enumerated
- Aug 15, 2008
- Record last updated
- Nov 1, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 325 9TH Ave
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Verify John Matthew Lacy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00040446Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $96.99
4 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Matthew Lacy among 3,079 internal medicine physician records in Washington
John Matthew Lacy, MD 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 2008, is newer than 54% of them.
- NPI issued2008 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2010 · 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).
821 internal medicine physician records list a practice address in Seattle
They are 821 of the 41,956 NPPES records with a practice address in Seattle, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Seattle → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Abdallah, MDSeattle, WA 981041639166119
- James Bushyhead, MDSeattle, WA 981041366439846
- Michael Cairns, MDSeattle, WA 981041184611659
- Linda Chow, MDSeattle, WA 981041962498014
- Alex Efird, MDSeattle, WA 981041669469144
- Seth Franklin, MDSeattle, WA 981041588650253
- Margo Kober, MDSeattle, WA 981041083601561
- Eva KojnokSeattle, WA 981041720075294
Common questions
What is John Matthew Lacy, MD's NPI number?
John Matthew Lacy, MD's National Provider Identifier (NPI) is 1811143365, issued on Aug 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John Matthew Lacy, MD located?
The NPPES record lists a practice address at 325 9TH Ave, Seattle, WA, 98104. Phone: (206) 680-1851. Providers update this record themselves, so call before visiting.
How can I verify John Matthew Lacy, MD's license?
NPPES lists Washington license number MD00040446, 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.
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.