Katherine Laura Guillen, COTA
Occupational Therapy Assistant · Phoenix, AZ
Katherine Laura Guillen, COTA is an occupational therapy assistant with a practice address in Phoenix, Arizona, and NPI 1417130741, issued on Dec 10, 2007. Check the license (Arizona 2006, as entered in NPPES) with the Arizona board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Katherine Laura Guillen
- Credential
- COTA
- Primary taxonomy
- Occupational Therapy Assistant 224Z00000X
- License number
- 2006 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1235 E Harmont Dr, Phoenix, AZ 85020
- Phone
- (602) 331-1470
- Enumerated
- Dec 10, 2007
- Record last updated
- Dec 10, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (602) 678-5803
- Entity
- Type 1 · individual
Also registered at 1235 E Harmont Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nyla Adair, LPN,DDCLicensed Practical Nurse1124347661
- Cynthia BensemaSpeech-Language Pathologist1558498121
- Lisa Chiles, O.D.Optometrist1922077189
- Marilynne Clancy, RN, MS, PNPSchool Registered Nurse1306046982
- Marcia GrahamPhysical Therapist1104948397
- Debra Jordan, PTPediatric Physical Therapist1467852939
Verify Katherine Laura Guillen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 2006Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Occupational Therapy Assistant providers in Arizona
There are 1,048 occupational therapy assistant records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other occupational therapy assistant records in Arizona
- Lelena AbbottTempe, AZ1124483490
- Wendy AburtoApache Junction, AZ1346806544
- Cristina Acevez-Rivera, COTA/LMesa, AZ1912570730
- Amy Acton, COTA/LFountain Hills, AZ1366360042
- Cassandra Adam, COTASan Tan Valley, AZ1972192748
- John AdamsTucson, AZ1548789761
- Steven AdamsMesa, AZ1538619028
- Edwin AgogoPhoenix, AZ1700364825
- Marie Aguas, COTA/LMesa, AZ1861908766
- Georgina AhumadaSahuarita, AZ1346660172
Common questions
What is Katherine Laura Guillen, COTA's NPI number?
Katherine Laura Guillen, COTA's National Provider Identifier (NPI) is 1417130741, issued on Dec 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Laura Guillen, COTA located?
The NPPES record lists a practice address at 1235 E Harmont Dr, Phoenix, AZ, 85020. Phone: (602) 331-1470. Providers update this record themselves, so call before visiting.
How can I verify Katherine Laura Guillen, COTA's license?
NPPES lists Arizona license number 2006, as entered by the provider. Search the Arizona 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.