SEAN R LENA DO
NPI 1265895502
Internal Medicine in Portland, ME
About Sean R Lena Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN R LENA DO (NPI 1265895502) is an individual internal medicine provider in Portland, Maine, licensed in Maine (DO2936) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Northern Light Health, and is a graduate of University Of New England, College Of Osteo Medicine (2016).
NPPES Registry Identity
Specialties & Licenses
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
Sean R Lena Do 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 Sean Lena reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 192 clinicians in this Medicare group
South Portland, ME 04106
- Reassigned Medicare billing, Maine enrollment
- 200 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 21
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.
Northern Light Health
Acute Care Hospitals · Portland, MEMaine Medical Center
Acute Care Hospitals · Portland, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Sean Lena's NPI number?
The NPI number for Sean Lena is 1265895502. It was assigned to this individual provider in the NPPES registry on April 4, 2016.
Where is Sean Lena located?
Sean Lena practices at 84 Marginal Way, Portland, ME 04101. The listed phone number is (207) 774-5816.
What is Sean Lena's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Sean Lena enrolled in Medicare?
Yes. Sean Lena 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 Sean Lena's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Lena reassigns Medicare benefits to 2 organizations: Maine Medical Partners (Portland, ME) and Intermed, PA (South Portland, ME). 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 Sean Lena's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sean Lena accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Sean Lena 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 Sean Lena affiliated with any hospitals?
According to CMS data, Sean Lena is affiliated with Northern Light Health and Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Sean Lena was last updated on June 30, 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.