MARGARET LAM NP
NPI 1457620718
Nurse Practitioner - Family in Durham, NC
About Margaret Lam Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET LAM NP (NPI 1457620718) is an individual family provider in Durham, North Carolina, licensed in North Carolina (5005434) and active in the NPI registry since December 2011. She is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of Other (2012).
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
Margaret Lam Np 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 Lam reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Durham, NC 27704
- Reassigned Medicare billing, North Carolina enrollment
- 1,482 clinicians in this Medicare group
Durham, NC 27704
- Reassigned Medicare billing, North Carolina enrollment
- 3,671 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Duke University Hospital
Acute Care Hospitals · Durham, NCDuke Regional Hospital
Acute Care Hospitals · Durham, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 27704 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.
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 Lam's NPI number?
The NPI number for Margaret Lam is 1457620718. It was assigned to this individual provider in the NPPES registry on December 15, 2011.
Where is Margaret Lam located?
Margaret Lam practices at 3643 N Roxboro St, Durham, NC 27704. The listed phone number is (919) 470-0000.
What is Margaret Lam's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Margaret Lam enrolled in Medicare?
Yes. Margaret Lam 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 Lam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Lam reassigns Medicare benefits to 2 organizations: Duke University Health System, Inc. (Durham, NC) and Duke Health Integrated Practice, Inc (Durham, NC). 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 Lam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Lam accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Cigna Healthcare list Margaret Lam 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 Lam affiliated with any hospitals?
According to CMS data, Margaret Lam is affiliated with Duke University Hospital and Duke Regional Hospital.
When was this NPI record last updated?
The NPPES record for Margaret Lam was last updated on February 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Margaret Lam, NP · NPI 1457620718
Family physician in Durham, North Carolina. Individual provider, active in the CMS NPPES registry since December 15, 2011.
## Identity
- **NPI:** 1457620718 (Entity type: Individual)
- **Enumerated:** December 15, 2011
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 5005434 (North Carolina)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3643 N ROXBORO ST, Durham, NC 27704-2702
- **Phone:** (919) 470-0000 · **Fax:** (919) 681-7934
## 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): Duke University Health System, Inc. (NPI 1376574798, Durham, NC); Duke Health Integrated Practice, Inc (NPI 1518725936, Durham, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** February 27, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1457620718) · Data from the CMS NPPES public registry.