MS. GAIL MARIE GREGG GNP-BC
NPI 1295013050
Nurse Practitioner in Burlington, MA
About Ms. Gail Marie Gregg Gnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. GAIL MARIE GREGG GNP-BC (NPI 1295013050) is an individual nurse practitioner in Burlington, Massachusetts, licensed in Massachusetts (215508) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS, is affiliated with Northeast Hospital Corporation, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
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
Ms. Gail Marie Gregg Gnp-bc 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 Gail Gregg reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1063447316 (Massachusetts)
- 1,574 clinicians in this Medicare group
Bedford, NH 03110
- Reassigned Medicare billing, New Hampshire enrollment
- Medicare enrollment name: Catholic Medical Center
- 86 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 3
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.
Northeast Hospital Corporation
Acute Care Hospitals · Beverly, MABeth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MAWinchester Hospital
Acute Care Hospitals · Winchester, MALahey Hospital & Medical Center, Burlington
Acute Care Hospitals · Burlington, MASouthern Nh Medical Center
Acute Care Hospitals · Nashua, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01805 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.
BURLINGTON, MA 01805
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 Gail Gregg's NPI number?
The NPI number for Gail Gregg is 1295013050. It was assigned to this individual provider in the NPPES registry on July 28, 2011.
Where is Gail Gregg located?
Gail Gregg practices at 41 Mall Rd, Burlington, MA 01805. The listed phone number is (781) 744-8085.
What is Gail Gregg's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Gail Gregg enrolled in Medicare?
Yes. Gail Gregg 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 Gail Gregg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gail Gregg reassigns Medicare benefits to 2 organizations: Lahey Clinic, Inc. (Burlington, MA) and Cmc D/B/A Urgent Care At Bedford Medical Park (Bedford, NH). 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 Gail Gregg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gail Gregg accept?
Health plans from Anthem Blue Cross and Blue Shield list Gail Gregg 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 Gail Gregg affiliated with any hospitals?
According to CMS data, Gail Gregg is affiliated with Northeast Hospital Corporation, Beth Israel Deaconess Medical Center, Winchester Hospital, Lahey Hospital & Medical Center, Burlington and Southern Nh Medical Center.
When was this NPI record last updated?
The NPPES record for Gail Gregg was last updated on July 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.