DR. DAVID ALEXANDER LEENEN MD
NPI 1407386931
Surgery in Taunton, MA
About Dr. David Alexander Leenen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID ALEXANDER LEENEN MD (NPI 1407386931) is an individual surgery provider in Taunton, Massachusetts, licensed in Massachusetts (1016879) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Saint Anne's Hospital, and maintains a secondary practice location in Providence.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. David Alexander Leenen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show David Leenen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Taunton, MA 02780
- Reassigned Medicare billing, Massachusetts enrollment
- 547 clinicians in this Medicare group
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- 1,103 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 8
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.
Saint Anne's Hospital
Acute Care Hospitals · Fall River, MAMorton Hospital
Acute Care Hospitals · Taunton, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02780 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Leenen's NPI number?
The NPI number for David Leenen is 1407386931. It was assigned to this individual provider in the NPPES registry on June 18, 2017.
Where is David Leenen located?
David Leenen practices at 72 Washington St Ste 2700, Taunton, MA 02780. The listed phone number is (508) 824-4535.
What is David Leenen's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is David Leenen enrolled in Medicare?
Yes. David Leenen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for David Leenen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Leenen reassigns Medicare benefits to 2 organizations: Lifespan Physician Group Of Massachusetts Inc (Taunton, MA) and Steward Medical Group, Inc (Watertown, 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 Leenen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Leenen accept?
Health plans from Anthem Blue Cross and Blue Shield list David Leenen 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.
Is David Leenen affiliated with any hospitals?
According to CMS data, David Leenen is affiliated with Saint Anne's Hospital and Morton Hospital.
When was this NPI record last updated?
The NPPES record for David Leenen was last updated on June 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 Alexander Leenen, MD · NPI 1407386931
Surgery physician in Taunton, Massachusetts. Individual provider, active in the CMS NPPES registry since June 18, 2017.
## Identity
- **NPI:** 1407386931 (Entity type: Individual)
- **Enumerated:** June 18, 2017
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 1016879 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 72 WASHINGTON ST STE 2700, Taunton, MA 02780-2498
- **Phone:** (508) 824-4535
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Lifespan Physician Group Of Massachusetts Inc (NPI 1235957713, Taunton, MA); Steward Medical Group, Inc (NPI 1629398219, Watertown, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** June 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1407386931) · Data from the CMS NPPES public registry.