Mary M. Castillion
Occupational Therapist · Hammond, LA
Mary M. Castillion is an occupational therapist with a practice address in Hammond, Louisiana, and NPI 1316173131, issued on Jun 8, 2009. Check the license (Louisiana OTT.Z11834, as entered in NPPES) with the Louisiana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary M. Castillion
- Primary taxonomy
- Occupational Therapist 225X00000X
- License numbers
- OTT.Z11834 LA
OTTZ11834 LA
Self-reported in NPPES; status is on the state search - Practice location
- 620 N Morrison Blvd Ste G, Hammond, LA 70401
- Phone
- (985) 543-4113
- Enumerated
- Jun 8, 2009
- Record last updated
- Dec 6, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 620 N Morrison Blvd Ste G
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John BroussardPhysical Therapist1063648889
- Herschel Brunner, PSY.D.Psychologist1326274143
- Heather Gagliano, LCSW-BACS, ACSWClinical Social Worker1376517219
- Leslie Rogers, PH.D.Psychologist1841515186
Verify Mary M. Castillion in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license OTT.Z11834Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22 occupational therapist records list a practice address in Hammond
They are 22 of the 1,766 NPPES records with a practice address in Hammond, and 1,322 occupational therapist records in Louisiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 22 in Hammond → All 1,322 in Louisiana → Every provider in Hammond →
Other occupational therapist records in Louisiana
- Nikki Abbate, M.O.T,L.O.T.R.Baton Rouge, LA1104239342
- Amber Abbott, OTWalker, LA1821402546
- Kimberly Abercrombie, OTRNew Orleans, LA1861799280
- Shannon Abney, O.TShreveport, LA1508880949
- Natalie Abraham, OTR/LCovington, LA1972029759
- Danielle Acurio, OTR/LBossier City, LA1083106041
- Mindy Adams, PT, LOTRHouma, LA1669532966
- Katya Agamy, LOTRNew Orleans, LA1669308367
- Donna Aguillard, LOTRPrairieville, LA1568690683
- Ashtin AlexanderOpelousas, LA1851079404
Common questions
What is Mary M. Castillion's NPI number?
Mary M. Castillion's National Provider Identifier (NPI) is 1316173131, issued on Jun 8, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mary M. Castillion located?
The NPPES record lists a practice address at 620 N Morrison Blvd Ste G, Hammond, LA, 70401. Phone: (985) 543-4113. Providers update this record themselves, so call before visiting.
How can I verify Mary M. Castillion's license?
NPPES lists Louisiana license number OTT.Z11834, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity 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. 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.