Nicholas Cain Boswell
Psychiatry Physician · Seattle, WA
Nicholas Cain Boswell is a psychiatry physician with a practice address in Seattle, Washington, and NPI 1902434061, issued on Apr 1, 2020. Check the license (Washington 61653379, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Nicholas Cain Boswell
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 61653379 WA
T6197 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2719 E Madison St Ste 300, Seattle, WA 98112
- Phone
- (214) 999-9999
- Enumerated
- Apr 1, 2020
- Record last updated
- Jul 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20250813002970); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,195 in Washington → Look up another NPI →
Also registered at 2719 E Madison St Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nicholas Cain Boswell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license 61653379Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Puget Sound Psychotherapy, PSSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas Cain Boswell among 1,195 psychiatry physician records in Washington
Nicholas Cain Boswell is one of 1,195 psychiatry physician records with a practice address in Washington. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 93% of them.
- NPI issued2020 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated2020 · median 2007 among the 462 with a school on file
- Record last updated2025 · 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 2084P0800X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
485 psychiatry physician records list a practice address in Seattle
They are 485 of the 41,956 NPPES records with a practice address in Seattle, and 1,195 psychiatry physician records in Washington.
All 1,195 in Washington → Every provider in Seattle → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Marco Baquero, MDSeattle, WA 981121730298902
- Rowin Cantrell, M.D.Seattle, WA 981121821042813
- Margaret Cashman, MD ACPSeattle, WA 981121366444325
- Tobias DangSeattle, WA 981121184704165
- Scot Gibson, MDSeattle, WA 981121639289143
- Kate Grossman, MDSeattle, WA 981121629159777
- Mark Hamblin, M.D.Seattle, WA 981121245335363
- Mark Hoerr, MDSeattle, WA 981121356378400
Common questions
What is Nicholas Cain Boswell's NPI number?
Nicholas Cain Boswell's National Provider Identifier (NPI) is 1902434061, issued on Apr 1, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Cain Boswell located?
The NPPES record lists a practice address at 2719 E Madison St Ste 300, Seattle, WA, 98112. Phone: (214) 999-9999. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Cain Boswell's license?
NPPES lists Washington license number 61653379, 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.