John O'Neill
Physical Therapy Assistant · Walkersville, MD
John O'Neill is a physical therapy assistant with a practice address in Walkersville, Maryland, and NPI 1063812873, issued on Aug 28, 2014. Check the license (Maryland A2211, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John O'Neill
- Primary taxonomy
- Physical Therapy Assistant 225200000X
- License number
- A2211 MD
Self-reported in NPPES; status is on the state search - Practice location
- 56 W Frederick St, Walkersville, MD 21793
- Phone
- (301) 898-4300
- Enumerated
- Aug 28, 2014
- Record last updated
- Aug 28, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 56 W Frederick St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heidi Beard, OTR/LOccupational Therapist1326342726
- Denise Bozue, PTNeurology Physical Therapist1861684946
- Kimberly Brauning, COTA/LOccupational Therapy Assistant1134735103
- Melissa Burkhart, OTROccupational Therapist1932232303
- Stephanie ChorostOccupational Therapist1275484628
- Lindsey Christensen, PTAPhysical Therapy Assistant1043590185
Verify John O'Neill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license A2211Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8 physical therapy assistant records list a practice address in Walkersville
They are 8 of the 93 NPPES records with a practice address in Walkersville, and 1,294 physical therapy assistant records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8 in Walkersville → All 1,294 in Maryland → Every provider in Walkersville →
Other physical therapy assistant records in Maryland
- Ihsan Abdul Jabbar, PTALutherville, MD1154741437
- Kristy Abell, PTAAbingdon, MD1760337067
- Kristin Adams, PTAEaston, MD1366713448
- Tony AdamsWestminster, MD1326163213
- Keila Addlesberger, PTASalisbury, MD1326335605
- Jessica Adkisson, PTASalisbury, MD1063667269
- Jess AgaParkville, MD1336627306
- Yasir Ahmed, PTASilver Spring, MD1437437670
- Jennifer Alexander, PTABowie, MD1912242991
- Mary Alexander, PTABaltimore, MD1245451517
Common questions
What is John O'Neill's NPI number?
John O'Neill's National Provider Identifier (NPI) is 1063812873, issued on Aug 28, 2014. An NPI identifies a provider in billing; it is not a license.
Where is John O'Neill located?
The NPPES record lists a practice address at 56 W Frederick St, Walkersville, MD, 21793. Phone: (301) 898-4300. Providers update this record themselves, so call before visiting.
How can I verify John O'Neill's license?
NPPES lists Maryland license number A2211, as entered by the provider. 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.