Justin Castellow, MD
Pediatrics Physician · Millcreek, UT
Justin Castellow, MD is a pediatrics physician with a practice address in Millcreek, Utah, and NPI 1639565344, issued on Apr 9, 2015. Check the license on the Utah Medical Licensing Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Justin Castellow
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 0101264380 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 E 3900 S, Millcreek, UT 84124
- Phone
- (208) 367-8063
- Enumerated
- Apr 9, 2015
- Entity
- Type 1 · individual
Also registered at 1200 E 3900 S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amber Hardman, DNPCritical Care Medicine Nurse Practitioner1023603552
- Joshua Larson, PARAMEDICParamedic1477407146
- Regan Leemaster, PHARMDPharmacist1437099587
- Madeline MeyerOccupational Therapist1588272124
Verify Justin Castellow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2 pediatrics physician records list a Millcreek practice address
They are 2 of the 222 NPPES records with a Millcreek practice address, and 752 pediatrics physician records in Utah. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2 in Millcreek → All 752 in Utah → Every provider in Millcreek →
Other pediatrics physician records in Utah
- Jeffery Abram, PA-CPleasant Grove, UT1003855768
- Ross Adams, M.D.Provo, UT1912965138
- Steven Aird, D.O.Layton, UT1982831236
- Tazeem Aizad, M.D;West Jordan, UT1588620413
- Nicholas Aizcorbe, MDSalt Lake City, UT1366065021
- Zoe Alam, MDSalt Lake City, UT1073217303
- Jesse Alba, M.D.Pleasant Grove, UT1932386711
- Alexander Alexander, MDSalt Lake City, UT1790362192
- Molly Alexander, M.D.Salt Lake City, UT1740644871
- Matthew Allen, D.O.Saratoga Springs, UT1578925137
Common questions
What is Justin Castellow, MD's NPI number?
Justin Castellow, MD's National Provider Identifier (NPI) is 1639565344, issued on Apr 9, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Justin Castellow, MD located?
The NPPES record lists a practice address at 1200 E 3900 S, Millcreek, UT, 84124. Phone: (208) 367-8063. Providers update this record themselves, so call before visiting.
How can I verify Justin Castellow, MD's license?
Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. 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.