KELLY M ZAKAR APRN
NPI 1689642076
Nurse Practitioner - Pediatrics in Boston, MA
About Kelly M Zakar Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KELLY M ZAKAR APRN (NPI 1689642076) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (RN216232) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 10
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
Kelly M Zakar Aprn 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 Reassignment
Medicare enrollment records show Kelly Zakar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 1,358 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 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.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Kelly Zakar's NPI number?
The NPI number for Kelly Zakar is 1689642076. It was assigned to this individual provider in the NPPES registry on March 10, 2006.
Where is Kelly Zakar located?
Kelly Zakar practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is Kelly Zakar's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Kelly Zakar enrolled in Medicare?
Yes. Kelly Zakar 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 organization bills Medicare for Kelly Zakar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelly Zakar reassigns Medicare benefits to Children's Hospital Pediatric Associates, Inc (Boston, MA). The 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 Kelly Zakar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kelly Zakar accept?
Health plans from Taro Health list Kelly Zakar 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.
When was this NPI record last updated?
The NPPES record for Kelly Zakar was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.
# Kelly M Zakar, APRN · NPI 1689642076
Pediatrics physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 10, 2006.
## Identity
- **NPI:** 1689642076 (Entity type: Individual)
- **Enumerated:** March 10, 2006
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** RN216232 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, Boston, MA 02115-5724
- **Phone:** (617) 355-6000
## 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:** Children's Hospital Pediatric Associates, Inc (NPI 1457306664, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** October 5, 2026
- **Other identifiers:** Other 020518021 (NH); Medicaid 30342638 (NH); Other 020518021 (NH); and 7 more
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Source: [NPI Profile](https://npiprofile.com/npi/1689642076) · Data from the CMS NPPES public registry.