Julia Callahan, COTA
Occupational Therapy Assistant · Waldorf, MD
Julia Callahan, COTA is an occupational therapy assistant with a practice address in Waldorf, Maryland, and NPI 1184181885, issued on Feb 28, 2019. Check the license with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Julia Callahan
- Credential
- COTA
- Primary taxonomy
- Occupational Therapy Assistant 224Z00000X
- Practice location
- 4140 Old Washington RD, Waldorf, MD 20602
- Phone
- (301) 645-2813
- Enumerated
- Feb 28, 2019
- Record last updated
- Feb 28, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 4140 Old Washington RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sariat Adeniji-Adele, O.T.Occupational Therapist1679792790
- Tammy Baldauf, PTAPhysical Therapy Assistant1235266099
- Cynthia Briggs, P.T.Physical Therapist1558580654
- Mingkhwan CarmackPhysical Therapy Assistant1992256259
- John Courtney, BS, PTAPhysical Medicine & Rehabilitation Physician1215698501
- Ashley Dell'AcquaOccupational Therapy Assistant1477925154
Verify Julia Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck 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 Maryland
There are 653 occupational therapy assistant records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other occupational therapy assistant records in Maryland
- Lydia AbadHagerstown, MD1518434836
- Jessamyn AbelMiddle River, MD1134556681
- Victoria Abraham, COTA/LBaltimore, MD1861199218
- Sheila AcheampongRiverdale, MD1770035768
- Heather Adams, OTASolomons, MD1205907144
- Joan Adams, COTADenton, MD1255457040
- Bipana AdhikariBaltimore, MD1366149981
- Scarlett AdkinsGambrills, MD1003320862
- Rita Agyei-Yeboah, COTASalisbury, MD1659189819
- Haroon AlamLaurel, MD1396121216
Common questions
What is Julia Callahan, COTA's NPI number?
Julia Callahan, COTA's National Provider Identifier (NPI) is 1184181885, issued on Feb 28, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Julia Callahan, COTA located?
The NPPES record lists a practice address at 4140 Old Washington RD, Waldorf, MD, 20602. Phone: (301) 645-2813. Providers update this record themselves, so call before visiting.
How can I verify Julia Callahan, COTA's license?
Search the Maryland 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.