Diane Llewellyn, COTA
NPI 1336300821 · Occupational Therapy Assistant · Clackamas, OR
Diane Llewellyn, COTA is a Occupational Therapy Assistant provider in Clackamas, OR (NPI 1336300821).
Provider details
- NPI number
- 1336300821
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- COTA
- Sex
- Female
- Sole proprietor
- No
- License
- 663385 (OR)
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
18 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
- 2008-06-18
- Last updated
- 2008-06-18
Frequently asked questions
- What is Diane Llewellyn's NPI number?
- Diane Llewellyn's National Provider Identifier (NPI) is 1336300821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Llewellyn's specialty?
- Diane Llewellyn is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Diane Llewellyn located?
- Diane Llewellyn's practice location on file with NPPES is 10180 Se Sunnyside Rd, Clackamas, OR 97015-8970.
- What is Diane Llewellyn's phone number?
- The practice phone number listed in the NPPES registry for Diane Llewellyn is (503) 571-6606.
- Is Diane Llewellyn's NPI active?
- Yes — Diane Llewellyn's NPI (1336300821) is active in the NPPES registry as of the last update on 2008-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.