Diana Castellanos, PA
NPI 1811856198 · Physician Assistant · West Hartford, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Castellanos, PA is a Physician Assistant provider in West Hartford, CT (NPI 1811856198).
Provider details
- NPI number
- 1811856198
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 7544 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-01-21
- Last updated
- 2026-02-27
- Certified
- 2026-02-27
Frequently asked questions
- What is Diana Castellanos's NPI number?
- Diana Castellanos's National Provider Identifier (NPI) is 1811856198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Castellanos's specialty?
- Diana Castellanos is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diana Castellanos located?
- Diana Castellanos's practice location on file with NPPES is 342 N Main St Ste 350, West Hartford, CT 06117-2530.
- What is Diana Castellanos's phone number?
- The practice phone number listed in the NPPES registry for Diana Castellanos is (860) 296-4022.
- Does Diana Castellanos accept Medicare?
- Diana Castellanos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Castellanos's NPI active?
- Yes — Diana Castellanos's NPI (1811856198) is active in the NPPES registry as of the last update on 2026-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.