Cathleen Casillo
NPI 1225656242 · Certified Registered Nurse Anesthetist · Boston, MA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cathleen Casillo is a Certified Registered Nurse Anesthetist provider in Boston, MA (NPI 1225656242).
Provider details
- NPI number
- 1225656242
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN2340698 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
- 2020-07-07
- Last updated
- 2022-08-01
- Certified
- 2022-08-01
Frequently asked questions
- What is Cathleen Casillo's NPI number?
- Cathleen Casillo's National Provider Identifier (NPI) is 1225656242, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cathleen Casillo's specialty?
- Cathleen Casillo is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cathleen Casillo located?
- Cathleen Casillo's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Cathleen Casillo's phone number?
- The practice phone number listed in the NPPES registry for Cathleen Casillo is (617) 355-6000.
- Does Cathleen Casillo accept Medicare?
- Cathleen Casillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cathleen Casillo's NPI active?
- Yes — Cathleen Casillo's NPI (1225656242) is active in the NPPES registry as of the last update on 2022-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.