John Larkin
NPI 1003291402 · Occupational Therapy Assistant · Ottumwa, IA
John Larkin is a Occupational Therapy Assistant provider in Ottumwa, IA (NPI 1003291402).
Provider details
- NPI number
- 1003291402
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 000953 (IA)
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
10 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
- 2015-07-27
- Last updated
- 2015-07-27
Frequently asked questions
- What is John Larkin's NPI number?
- John Larkin's National Provider Identifier (NPI) is 1003291402, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Larkin's specialty?
- John Larkin is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is John Larkin located?
- John Larkin's practice location on file with NPPES is 1433 Silverwood Ln, Ottumwa, IA 52501-3940.
- What is John Larkin's phone number?
- The practice phone number listed in the NPPES registry for John Larkin is (641) 814-2275.
- Is John Larkin's NPI active?
- Yes — John Larkin's NPI (1003291402) is active in the NPPES registry as of the last update on 2015-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.