John O'Neill
NPI 1063812873 · Physical Therapy Assistant · Walkersville, MD
John O'Neill is a Physical Therapy Assistant provider in Walkersville, MD (NPI 1063812873).
Provider details
- NPI number
- 1063812873
- Entity type
- Individual
- Primary specialty
- Physical Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- A2211 (MD)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-08-28
- Last updated
- 2014-08-28
Frequently asked questions
- What is John O'Neill's NPI number?
- John O'Neill's National Provider Identifier (NPI) is 1063812873, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John O'Neill's specialty?
- John O'Neill is listed in the NPPES registry with a primary specialty of Physical Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is John O'Neill located?
- John O'Neill's practice location on file with NPPES is 56 W Frederick St, Walkersville, MD 21793-8254.
- What is John O'Neill's phone number?
- The practice phone number listed in the NPPES registry for John O'Neill is (301) 898-4300.
- Is John O'Neill's NPI active?
- Yes — John O'Neill's NPI (1063812873) is active in the NPPES registry as of the last update on 2014-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.