John Harmon
NPI 1265553861 · Occupational Therapy Assistant · Arnold, MD
John Harmon is a Occupational Therapy Assistant provider in Arnold, MD (NPI 1265553861).
Provider details
- NPI number
- 1265553861
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- A01522 (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
19 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
- 2007-04-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Harmon's NPI number?
- John Harmon's National Provider Identifier (NPI) is 1265553861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Harmon's specialty?
- John Harmon is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is John Harmon located?
- John Harmon's practice location on file with NPPES is 404 Colonial Ridge Ln, Arnold, MD 21012-2334.
- What is John Harmon's phone number?
- The practice phone number listed in the NPPES registry for John Harmon is (410) 626-8780.
- Is John Harmon's NPI active?
- Yes — John Harmon's NPI (1265553861) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.