Nicholas Warren Napoli, M.D.
Family Medicine Physician · Seattle, WA
Nicholas Warren Napoli, M.D. is a family medicine physician with a practice address in Seattle, Washington, and NPI 1275844201, issued on Jun 24, 2010. Check the license (Washington ML60155911, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Nicholas Warren Napoli
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- ML60155911 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1401 Madison St, Seattle, WA 98104
- Phone
- (206) 386-6054
- Enumerated
- Jun 24, 2010
- Record last updated
- Oct 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20131008001880); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 1401 Madison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shiraz Ahmed, MDHospitalist Physician1730177791
- Shannon Barkley, M.D., M.P.HFamily Medicine Physician1639301146
- Jeremia Bernhardt, MDFamily Medicine Physician1073738373
- David Bielak, M.D.Family Medicine Physician1710214341
- Maureen Brown, MDFamily Medicine Physician1508940222
- Jillene Casey, M.D.Family Medicine Physician1013140508
Verify Nicholas Warren Napoli in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license ML60155911Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
35 Medicare Part D claims for 23 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Swedish Health ServicesSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas Warren Napoli among 5,534 family medicine physician records in Washington
Nicholas Warren Napoli, M.D. is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 59% of them.
- NPI issued2010 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2010 · median 2009 among the 3,294 with a school on file
- Record last updated2020 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
871 family medicine physician records list a practice address in Seattle
They are 871 of the 41,956 NPPES records with a practice address in Seattle, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Seattle → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joseph Badolato, DOSeattle, WA 981041407873227
- Holly Christoferson, MDSeattle, WA 981041639280191
- Alan Chun, M.D.Seattle, WA 981041326156084
- Polly Fabian, M.D.Seattle, WA 981041174626568
- Camille Fleming, M.D.Seattle, WA 981041902845522
- Kevin Hatfield, M.D.Seattle, WA 981041588631154
- Amanda Kost, MDSeattle, WA 981041306958418
- Mei Lu, M.D.Seattle, WA 981041538277108
Common questions
What is Nicholas Warren Napoli, M.D.'s NPI number?
Nicholas Warren Napoli, M.D.'s National Provider Identifier (NPI) is 1275844201, issued on Jun 24, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Warren Napoli, M.D. located?
The NPPES record lists a practice address at 1401 Madison St, Seattle, WA, 98104. Phone: (206) 386-6054. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Warren Napoli, M.D.'s license?
NPPES lists Washington license number ML60155911, 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 Nicholas Warren Napoli, M.D. prescribe under Medicare Part D?
In 2024, Nicholas Warren Napoli, M.D. had 35 Medicare Part D claims for 23 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.