JOHN DASILVA MD
NPI 1740554195
Anesthesiology in Shelton, CT
About John Dasilva Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN DASILVA MD (NPI 1740554195) is an individual anesthesiology provider in Shelton, Connecticut, licensed in Connecticut (054204) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Ctr, and is a graduate of Indiana University School Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John Dasilva Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show John Dasilva reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Shelton, CT 06484
- Reassigned Medicare billing, Connecticut enrollment
- 727 clinicians in this Medicare group
West Hartford, CT 06105
- Reassigned Medicare billing, Connecticut and Massachusetts enrollments
- 86 clinicians in this Medicare group
Hartford, CT 06105
- Reassigned Medicare billing, Connecticut and Massachusetts enrollments
- 302 clinicians in this Medicare group
Willimantic, CT 06226
- Reassigned Medicare billing, Connecticut enrollment
- 91 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Medical Ctr
Acute Care Hospitals · Springfield, MABaystate Medical Center
Acute Care Hospitals · Springfield, MAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SHELTON, CT 06484
SHELTON, CT 06484
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Dasilva's NPI number?
The NPI number for John Dasilva is 1740554195. It was assigned to this individual provider in the NPPES registry on March 2, 2012.
Where is John Dasilva located?
John Dasilva practices at 2 Trap Falls Rd Suite 414, Shelton, CT 06484. The listed phone number is (203) 929-7353.
What is John Dasilva's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Dasilva enrolled in Medicare?
Yes. John Dasilva is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Dasilva's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Dasilva reassigns Medicare benefits to 4 organizations: Integrated Anesthesia Associates LLC (Shelton, CT), Charter Anesthesiology LLC (West Hartford, CT), Woodland Anesthesia Associates PC (Hartford, CT) and Anesthesia Associates Of Willimantic PC (Willimantic, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Dasilva's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Dasilva affiliated with any hospitals?
According to CMS data, John Dasilva is affiliated with Mercy Medical Ctr and Baystate Medical Center.
When was this NPI record last updated?
The NPPES record for John Dasilva was last updated on November 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.