JULIE O DENNIS M.D.
NPI 1336293760
Surgery in Burlington, MA
About Julie O Dennis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JULIE O DENNIS M.D. (NPI 1336293760) is an individual surgery provider in Burlington, Massachusetts, licensed in Massachusetts (237770) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Lahey Hospital & Medical Center, Burlington, and is a graduate of University Of Massachusetts Medical School (2005).
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
Julie O Dennis M.d. 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 Julie Dennis 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 and New Hampshire enrollments
- Also billed through NPI 1063447316 (Massachusetts), NPI 1669491601 (New Hampshire)
- 1,574 clinicians in this Medicare group
Exeter, NH 03833
- Reassigned Medicare billing, New Hampshire enrollment
- 395 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 10
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lahey Hospital & Medical Center, Burlington
Acute Care Hospitals · Burlington, MAElliot Hospital
Acute Care Hospitals · Manchester, NHParkland Medical Center
Acute Care Hospitals · Derry, 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.
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
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.
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 Julie Dennis's NPI number?
The NPI number for Julie Dennis is 1336293760. It was assigned to this individual provider in the NPPES registry on January 23, 2007.
Where is Julie Dennis located?
Julie Dennis practices at 41 Mall Rd Lahey Clinic, Burlington, MA 01805. The listed phone number is (781) 744-8580.
What is Julie Dennis's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Julie Dennis enrolled in Medicare?
Yes. Julie Dennis 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 Julie Dennis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Julie Dennis reassigns Medicare benefits to 2 organizations: Lahey Clinic, Inc. (Burlington, MA) and Core Physicians, LLC (Exeter, 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 Julie Dennis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Julie Dennis accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Julie Dennis 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 Julie Dennis affiliated with any hospitals?
According to CMS data, Julie Dennis is affiliated with Lahey Hospital & Medical Center, Burlington, Elliot Hospital and Parkland Medical Center.
When was this NPI record last updated?
The NPPES record for Julie Dennis was last updated on May 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Julie O Dennis, M.D. · NPI 1336293760
Surgery physician in Burlington, Massachusetts. Individual provider, active in the CMS NPPES registry since January 23, 2007.
## Identity
- **NPI:** 1336293760 (Entity type: Individual)
- **Enumerated:** January 23, 2007
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 237770 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 41 MALL RD, LAHEY CLINIC, Burlington, MA 01805-0001
- **Phone:** (781) 744-8580 · **Fax:** (781) 744-5253
## 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): Lahey Clinic, Inc. (NPI 1538194980, Burlington, MA); Core Physicians, LLC (NPI 1336330588, Exeter, NH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Massachusetts Medical School, class of 2005
## Record status
- **NPPES last updated:** May 3, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1336293760) · Data from the CMS NPPES public registry.