Alexander Castiello, MD
Anatomic Pathology & Clinical Pathology Physician · Mount Vernon, WA
Alexander Castiello, MD is an anatomic pathology & clinical pathology physician with a practice address in Mount Vernon, Washington, and NPI 1780628313, issued on Jun 15, 2006. Check the license (Washington IMLC.MD.61277913, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Alexander Castiello
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License numbers
- IMLC.MD.61277913 WA
192330 AK
46633 KY
MD40440 TN
Self-reported in NPPES; status is on the state search - Practice location
- 111 S 12TH St Ste D, Mount Vernon, WA 98274
- Phone
- (360) 734-2800
- Enumerated
- Jun 15, 2006
- Record last updated
- Jun 14, 2022
- Fax
- (360) 734-3818
- Medicaid ID
- 7100158300 KY
- Entity
- Type 1 · individual
Verify Alexander Castiello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license IMLC.MD.61277913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Anatomic Pathology & Clinical Pathology Physician providers in Washington
There are 330 anatomic pathology & clinical pathology physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other anatomic pathology & clinical pathology physician records in Washington
- Nashwa Abed, MDSpokane Valley, WA1770547929
- Dorbin AbendanoSpokane Valley, WA1811578784
- Kathi Adamson, MDSeattle, WA1184813255
- Judy Aeum, M.D.Tacoma, WA1114934890
- Sergay Agoff, MDSeattle, WA1457468852
- Camilla Allen, MDVancouver, WA1225048762
- Ira Allen, MDBellevue, WA1790750594
- Thomas Allerding, MDSpokane, WA1679513584
- Charles AlpersSeattle, WA1922188820
- Joshua Anderson, M.D.Tacoma, WA1043605884
Common questions
What is Alexander Castiello, MD's NPI number?
Alexander Castiello, MD's National Provider Identifier (NPI) is 1780628313, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Castiello, MD located?
The NPPES record lists a practice address at 111 S 12TH St Ste D, Mount Vernon, WA, 98274. Phone: (360) 734-2800. Providers update this record themselves, so call before visiting.
How can I verify Alexander Castiello, MD's license?
NPPES lists Washington license number IMLC.MD.61277913, 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.