David J. Patterson, MD
Gastroenterology Physician · Seattle, WA
David J. Patterson, MD is a gastroenterology physician with a practice address in Seattle, Washington, and NPI 1861539520, issued on Jan 31, 2007. Check the license (Washington MD00022397, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- David J. Patterson
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD00022397 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 9TH Ave, Seattle, WA 98101
- Phone
- (206) 223-6600
- Enumerated
- Jan 31, 2007
- Record last updated
- Jul 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 8102394 WA
806449300 ID
MD397WA AK - Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 533 in Washington → Look up another NPI →
Also registered at 1100 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David J. Patterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00022397Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
David J. Patterson among 533 gastroenterology physician records in Washington
David J. Patterson, MD is one of 533 gastroenterology physician records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 36% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Washington
There are 533 gastroenterology physician records in Washington.
All 533 in Washington → Every provider in Seattle → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Elisa Boden, M.D.Seattle, WA 981011932167400
- James Bredfeldt, MDSeattle, WA 981011598796989
- Fred Drennan, MDSeattle, WA 981011811916489
- Seng-Ian Gan, M.D.Seattle, WA 981011700833498
- Michael Gluck, MDSeattle, WA 981011871516617
- Geoffrey Jiranek, MDSeattle, WA 981011982628806
- Johannes Koch, MDSeattle, WA 981011396716148
- Richard Kozarek, MDSeattle, WA 981011124042379
Common questions
What is David J. Patterson, MD's NPI number?
David J. Patterson, MD's National Provider Identifier (NPI) is 1861539520, issued on Jan 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David J. Patterson, MD located?
The NPPES record lists a practice address at 1100 9TH Ave, Seattle, WA, 98101. Phone: (206) 223-6600. Providers update this record themselves, so call before visiting.
How can I verify David J. Patterson, MD's license?
NPPES lists Washington license number MD00022397, 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.
What is David J. Patterson, MD's MIPS final 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), 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.