DR. DAVID WALTER CASAVANT MD
NPI 1720069990
Pediatrics in Boston, MA
About Dr. David Walter Casavant Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID WALTER CASAVANT MD (NPI 1720069990) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (155793) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Boston University School Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
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
Dr. David Walter Casavant 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
2Medicare enrollment records show David Casavant reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 86 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 1,358 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 David Casavant's NPI number?
The NPI number for David Casavant is 1720069990. It was assigned to this individual provider in the NPPES registry on November 7, 2005.
Where is David Casavant located?
David Casavant practices at 55 Fruit St Ell 317, Boston, MA 02114. The listed phone number is (617) 724-4380.
What is David Casavant's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is David Casavant enrolled in Medicare?
Yes. David Casavant 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 David Casavant's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Casavant reassigns Medicare benefits to 2 organizations: Chmc Anesthesia Foundation Inc (Boston, MA) and Children's Hospital Pediatric Associates, Inc (Boston, MA). 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 David Casavant's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Casavant accept?
Health plans from Taro Health list David Casavant as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for David Casavant was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Dr. David Walter Casavant, MD · NPI 1720069990
Pediatrics physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since November 7, 2005.
## Identity
- **NPI:** 1720069990 (Entity type: Individual)
- **Enumerated:** November 7, 2005
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 155793 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, ELL 317, Boston, MA 02114-2621
- **Phone:** (617) 724-4380
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Chmc Anesthesia Foundation Inc (NPI 1831268754, Boston, MA); Children's Hospital Pediatric Associates, Inc (NPI 1457306664, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 1995
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Other 155793 (MA); Other J18840 (MA); Medicaid 3183947 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1720069990) · Data from the CMS NPPES public registry.