John Szerszen
Dentist · Mill Creek, WA
John Szerszen is a dentist with a practice address in Mill Creek, Washington, and NPI 1871992479, issued on Aug 19, 2014. Check the license (Washington 60613875, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Szerszen
- Primary taxonomy
- Dentist 122300000X
- License numbers
- 60613875 WA
63945 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16030 Bothell Everett Hwy Ste 260, Mill Creek, WA 98012
- Phone
- (425) 745-9420
- Enumerated
- Aug 19, 2014
- Record last updated
- May 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,767 in Washington → Look up another NPI →
Verify John Szerszen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 60613875Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average dentist in 2024
65 Medicare Part D claims for 38 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin33 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.
John Szerszen among 2,767 dentist records in Washington
John Szerszen is one of 2,767 dentist records with a practice address in Washington. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 57% of them.
- NPI issued2014 · 57% of these records are older, 38% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2020 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 dentist records list a practice address in Mill Creek
They are 12 of the 554 NPPES records with a practice address in Mill Creek, and 2,767 dentist records in Washington.
All 2,767 in Washington → Every provider in Mill Creek → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Nikki Chin, DDSMill Creek, WA 980121649492570
- Candace Chinn, DDSBothell, WA 980121851305742
- Patti Kashiwa, DDSBothell, WA 980121124085659
- Baljinder Kaur, DDSBothell, WA 980121891060703
- Donald Kim, D.D.S,Mill Creek, WA 980121497953616
- Michael Lamarche, DDSMill Creek, WA 980121518088186
- Young Lee, DDSMill Creek, WA 980121992974778
- Tien-Dat Nguyen, DDSBothell, WA 980121245379866
Common questions
What is John Szerszen's NPI number?
John Szerszen's National Provider Identifier (NPI) is 1871992479, issued on Aug 19, 2014. An NPI identifies a provider in billing; it is not a license.
Where is John Szerszen located?
The NPPES record lists a practice address at 16030 Bothell Everett Hwy Ste 260, Mill Creek, WA, 98012. Phone: (425) 745-9420. Providers update this record themselves, so call before visiting.
How can I verify John Szerszen's license?
NPPES lists Washington license number 60613875, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does John Szerszen prescribe under Medicare Part D?
In 2024, John Szerszen had 65 Medicare Part D claims for 38 beneficiaries; the average among dentist prescribers was 86. 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.