Curtis S. Endow, MD
Internal Medicine Physician · Federal Way, WA
Curtis S. Endow, MD is an internal medicine physician with a practice address in Federal Way, Washington, and NPI 1386679918, issued on Jul 12, 2006. Check the license (Washington MD00020843, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Curtis S. Endow
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00020843 WA
Self-reported in NPPES; status is on the state search - Practice location
- 33501 1St Way S, Federal Way, WA 98003
- Phone
- (253) 838-2400
- Enumerated
- Jul 12, 2006
- Record last updated
- Aug 30, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 1008242 WA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 33501 1St Way S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Laura Anderson, DPTPhysical Therapist1265897797
- Lauren Athay, M.D.Pediatrics Physician1750550638
Verify Curtis S. Endow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00020843Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Curtis S. Endow among 3,079 internal medicine physician records in Washington
Curtis S. Endow, 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 not. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2011 · 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).
63 internal medicine physician records list a practice address in Federal Way
They are 63 of the 2,770 NPPES records with a practice address in Federal Way, and 3,079 internal medicine physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,079 in Washington → Every provider in Federal Way → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Jill Denny, M.D.Federal Way, WA 980031619990132
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- Steve Kao, MDFederal Way, WA 980031992724637
- Alain Lambert, MDFederal Way, WA 980031013953652
- Brian McDonald, MDFederal Way, WA 980031710906110
Common questions
What is Curtis S. Endow, MD's NPI number?
Curtis S. Endow, MD's National Provider Identifier (NPI) is 1386679918, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Curtis S. Endow, MD located?
The NPPES record lists a practice address at 33501 1St Way S, Federal Way, WA, 98003. Phone: (253) 838-2400. Providers update this record themselves, so call before visiting.
How can I verify Curtis S. Endow, MD's license?
NPPES lists Washington license number MD00020843, 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. 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.