Marco Antonio Diaz, OTR
Occupational Therapist · Mercedes, TX
Marco Antonio Diaz, OTR is an occupational therapist with a practice address in Mercedes, Texas, and NPI 1639367055, issued on Oct 10, 2007. Check the license (Texas 111458, as entered in NPPES) with the Texas board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marco Antonio Diaz
- Credential
- OTR
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- 111458 TX
Self-reported in NPPES; status is on the state search - Practice location
- 327 W 3RD St, Mercedes, TX 78570
- Phone
- (956) 565-9333
- Enumerated
- Oct 10, 2007
- Record last updated
- Oct 10, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (956) 565-9686
- Entity
- Type 1 · individual
Also registered at 327 W 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Contreras Loreto, BS, SLP-ASSISTANTSpeech-Language Assistant1790371748
- Dellanira Coronado, ASLPSpeech-Language Pathologist1942505888
- Yvette Garcia, ASLPSpeech-Language Assistant1740586247
- Alfredo Izaguirre, SLPSpeech-Language Pathologist1568714251
- Amanda Jorgensen, ASLPSpeech-Language Pathologist1316242159
- Brandon SanchezOccupational Therapy Assistant1619267036
Verify Marco Antonio Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 111458Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
20 occupational therapist records list a practice address in Mercedes
They are 20 of the 156 NPPES records with a practice address in Mercedes, and 7,689 occupational therapist records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 20 in Mercedes → All 7,689 in Texas → Every provider in Mercedes →
Other occupational therapist records in Texas
- Joscelyn Aarestad, OTDDallas, TX1750216073
- Dorit Aaron, OTHouston, TX1255416517
- Brooke AarvigKaty, TX1558923136
- Zenia AbanAbilene, TX1205132941
- Liliana Abarca, OTMcAllen, TX1952061863
- Olabisi AbbaDenton, TX1174200885
- Nabil AbbasiRowlett, TX1134517097
- Michelle AbbottBedford, TX1194291757
- Lamia Abdalghani, OTRHouston, TX1093418949
- Malikah Abdullah-GillAustin, TX1083127542
Common questions
What is Marco Antonio Diaz, OTR's NPI number?
Marco Antonio Diaz, OTR's National Provider Identifier (NPI) is 1639367055, issued on Oct 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marco Antonio Diaz, OTR located?
The NPPES record lists a practice address at 327 W 3RD St, Mercedes, TX, 78570. Phone: (956) 565-9333. Providers update this record themselves, so call before visiting.
How can I verify Marco Antonio Diaz, OTR's license?
NPPES lists Texas license number 111458, as entered by the provider. Search the Texas 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.