MARGARET LEGNER MD
NPI 1023006962
Internal Medicine in Danvers, MA
About Margaret Legner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET LEGNER MD (NPI 1023006962) is an individual internal medicine provider in Danvers, Massachusetts, licensed in New Hampshire (14256) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with Anna Jaques Hospital, and maintains a secondary practice location in Derry.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Other Identifiers 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 and accepts Medicare assignment
Margaret Legner 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 Margaret Legner reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Danvers, MA 01923
- Reassigned Medicare billing, Massachusetts enrollment
- 410 clinicians in this Medicare group
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- 477 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 15
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Anna Jaques Hospital
Acute Care Hospitals · Newburyport, MANortheast Hospital Corporation
Acute Care Hospitals · Beverly, MANorth Shore Medical Center -
Acute Care Hospitals · Salem, MABeth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MALahey Hospital & Medical Center, Burlington
Acute Care Hospitals · Burlington, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01923 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Margaret Legner's NPI number?
The NPI number for Margaret Legner is 1023006962. It was assigned to this individual provider in the NPPES registry on October 13, 2005. The provider is also known as Margaret Rumson.
Where is Margaret Legner located?
Margaret Legner practices at Lahey Primary Care, Danvers 5 Federal Street 1st Floor, Danvers, MA 01923. The listed phone number is (978) 777-6544.
What is Margaret Legner's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Margaret Legner enrolled in Medicare?
Yes. Margaret Legner 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 Margaret Legner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Legner reassigns Medicare benefits to 2 organizations: Beth Israel Lahey Health Primary Care, Inc. (Danvers, MA) and Beth Israel Lahey Health Specialty Care, Inc. (Burlington, 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 Margaret Legner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Legner accept?
Health plans from Taro Health list Margaret Legner 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 Margaret Legner affiliated with any hospitals?
According to CMS data, Margaret Legner is affiliated with Anna Jaques Hospital, Northeast Hospital Corporation, North Shore Medical Center -, Beth Israel Deaconess Medical Center and Lahey Hospital & Medical Center, Burlington.
When was this NPI record last updated?
The NPPES record for Margaret Legner was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Margaret Legner, MD · NPI 1023006962
Internal Medicine physician in Danvers, Massachusetts. Individual provider, active in the CMS NPPES registry since October 13, 2005.
## Identity
- **NPI:** 1023006962 (Entity type: Individual)
- **Enumerated:** October 13, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 14256 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** LAHEY PRIMARY CARE, DANVERS, 5 FEDERAL STREET 1ST FLOOR, Danvers, MA 01923
- **Phone:** (978) 777-6544
## 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): Beth Israel Lahey Health Primary Care, Inc. (NPI 1316479660, Danvers, MA); Beth Israel Lahey Health Specialty Care, Inc. (NPI 1427161660, Burlington, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 2000
## Record status
- **NPPES last updated:** March 17, 2018
- **Other identifiers:** Medicaid 110035445A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1023006962) · Data from the CMS NPPES public registry.