JENNIFER MARTELL COLLAR CNP
NPI 1881390029
Nurse Practitioner - Neonatal in Melrose, MA
About Jennifer Martell Collar Cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JENNIFER MARTELL COLLAR CNP (NPI 1881390029) is an individual neonatal provider in Melrose, Massachusetts, licensed in Massachusetts (RN284243) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS, is affiliated with Melrosewakefield Healthcare, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
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
Jennifer Martell Collar Cnp 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
3Medicare enrollment records show Jennifer Collar reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Medford, MA 02155
- Reassigned Medicare billing, Massachusetts enrollment
- 246 clinicians in this Medicare group
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 195 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Melrosewakefield Healthcare
Acute Care Hospitals · Melrose, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02176 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.
MELROSE, MA 02176
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 Jennifer Collar's NPI number?
The NPI number for Jennifer Collar is 1881390029. It was assigned to this individual provider in the NPPES registry on January 31, 2023.
Where is Jennifer Collar located?
Jennifer Collar practices at 585 Lebanon St, Melrose, MA 02176. The listed phone number is (781) 979-3000.
What is Jennifer Collar's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, with taxonomy code 363LN0000X.
Is Jennifer Collar enrolled in Medicare?
Yes. Jennifer Collar 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 Jennifer Collar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Collar reassigns Medicare benefits to 3 organizations: Hallmark Health Medical Associates Inc (Medford, MA), Child Health Foundation Of Boston, Inc. (Boston, MA) and Brigham & Womens Physicians Organization Inc (Boston, 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 Jennifer Collar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jennifer Collar accept?
Health plans from Anthem Blue Cross and Blue Shield, Taro Health and WellSense Health Plan list Jennifer Collar 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 Jennifer Collar affiliated with any hospitals?
According to CMS data, Jennifer Collar is affiliated with Melrosewakefield Healthcare.
When was this NPI record last updated?
The NPPES record for Jennifer Collar was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Jennifer Martell Collar, CNP · NPI 1881390029
Neonatal physician in Melrose, Massachusetts. Individual provider, active in the CMS NPPES registry since January 31, 2023.
## Identity
- **NPI:** 1881390029 (Entity type: Individual)
- **Enumerated:** January 31, 2023
- **Primary specialty:** Nurse Practitioner - Neonatal · taxonomy 363LN0000X
- **State license:** RN284243 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 585 LEBANON ST, Melrose, MA 02176-3225
- **Phone:** (781) 979-3000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Hallmark Health Medical Associates Inc (NPI 1770563900, Medford, MA); Child Health Foundation Of Boston, Inc. (NPI 1619969920, Boston, MA); Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** March 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1881390029) · Data from the CMS NPPES public registry.