OLIVIA DIMARCO FNP-BC
NPI 1265207690
Nurse Practitioner - Family in Burlington, MA
About Olivia Dimarco Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLIVIA DIMARCO FNP-BC (NPI 1265207690) is an individual family provider in Burlington, Massachusetts, licensed in Massachusetts (R2358644) and active in the NPI registry since November 2023. She is enrolled in Medicare PECOS, is affiliated with Winchester Hospital, and maintains a secondary practice location in Medford.
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Olivia Dimarco Fnp-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
4Medicare enrollment records show Olivia Dimarco reassigns Medicare billing to 4 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
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Marlborough, MA 01752
- Reassigned Medicare billing, Massachusetts enrollment
- 88 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
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.
Winchester Hospital
Acute Care Hospitals · Winchester, MALahey Hospital & Medical Center, Burlington
Acute Care Hospitals · Burlington, MAPhysician 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 Olivia Dimarco's NPI number?
The NPI number for Olivia Dimarco is 1265207690. It was assigned to this individual provider in the NPPES registry on November 15, 2023.
Where is Olivia Dimarco located?
Olivia Dimarco practices at 41 Mall Rd, Burlington, MA 01805. The listed phone number is (781) 744-8000.
What is Olivia Dimarco's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Olivia Dimarco enrolled in Medicare?
Yes. Olivia Dimarco 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 Olivia Dimarco's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Dimarco reassigns Medicare benefits to 4 organizations: Lahey Clinic, Inc. (Burlington, MA), Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA) and Marlborough Hospitalist Group, PLLC (Marlborough, 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 Olivia Dimarco's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Olivia Dimarco accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Olivia Dimarco 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 Olivia Dimarco affiliated with any hospitals?
According to CMS data, Olivia Dimarco is affiliated with Winchester Hospital and Lahey Hospital & Medical Center, Burlington.
When was this NPI record last updated?
The NPPES record for Olivia Dimarco was last updated on July 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Olivia Dimarco, FNP-BC · NPI 1265207690
Family physician in Burlington, Massachusetts. Individual provider, active in the CMS NPPES registry since November 15, 2023.
## Identity
- **NPI:** 1265207690 (Entity type: Individual)
- **Enumerated:** November 15, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** R2358644 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 41 MALL RD, Burlington, MA 01805-5927
- **Phone:** (781) 744-8000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Lahey Clinic, Inc. (NPI 1538194980, Burlington, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Marlborough Hospitalist Group, PLLC (NPI 1316639321, Marlborough, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** July 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1265207690) · Data from the CMS NPPES public registry.