Mariel Castillo, MD
Pediatrics Physician · Mount Vernon, WA
Mariel Castillo, MD is a pediatrics physician with a practice address in Mount Vernon, Washington, and NPI 1326139700, issued on Sep 28, 2006. Check the license (Washington MD60091777, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mariel Castillo
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- MD60091777 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2320 Freeway Dr, Mount Vernon, WA 98273
- Phone
- (360) 814-6870
- Enumerated
- Sep 28, 2006
- Entity
- Type 1 · individual
Also registered at 2320 Freeway Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Barton, MDStudent in an Organized Health Care Education/Training Program1598119737
- Ruthie May Chua, M.D.Rheumatology Physician1215208970
- Ashton De Cardenas, PA-CSurgical Physician Assistant1033688981
- Jennifer Elliott, ARNPFamily Nurse Practitioner1396071601
- Laura Grantham, PACAthletic Trainer1609171347
- Brittany Grytdahl, PA-CPhysician Assistant1487063442
Verify Mariel Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60091777Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
27 pediatrics physician records list a Mount Vernon practice address
They are 27 of the 1,500 NPPES records with a Mount Vernon practice address, and 1,979 pediatrics physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 27 in Mount Vernon → All 1,979 in Washington → Every provider in Mount Vernon →
Other pediatrics physician records in Washington
- Rebecca Abaddi, DNPPuyallup, WA1538890900
- Bruce Abbotts, MDSpokane Valley, WA1215095856
- Bisher Abdullah, MDPuyallup, WA1235161712
- Ibrahim Abdulrahman, MDKennewick, WA1801081948
- Nancy Abell, M.D.Longview, WA1861447757
- Elizabeth Abernathey, MDSeattle, WA1649665829
- Samuel AbernathySeattle, WA1912392168
- Hanaa Abou Ouf, M.D.Tacoma, WA1548476153
- Senait AbrahamSeattle, WA1033287974
- Seja AbudiabSeattle, WA1285166173
Common questions
What is Mariel Castillo, MD's NPI number?
Mariel Castillo, MD's National Provider Identifier (NPI) is 1326139700, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mariel Castillo, MD located?
The NPPES record lists a practice address at 2320 Freeway Dr, Mount Vernon, WA, 98273. Phone: (360) 814-6870. Providers update this record themselves, so call before visiting.
How can I verify Mariel Castillo, MD's license?
NPPES lists Washington license number MD60091777, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.