KAREN R BALESTRIERI PNP-C
NPI 1437148236
Nurse Practitioner - Pediatrics in Boston, MA
About Karen R Balestrieri Pnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN R BALESTRIERI PNP-C (NPI 1437148236) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (RN237567) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Karen R Balestrieri Pnp-c 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.
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 Karen Balestrieri's NPI number?
The NPI number for Karen Balestrieri is 1437148236. It was assigned to this individual provider in the NPPES registry on October 14, 2005.
Where is Karen Balestrieri located?
Karen Balestrieri practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is Karen Balestrieri's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Karen Balestrieri enrolled in Medicare?
Yes. Karen Balestrieri 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.
When was this NPI record last updated?
The NPPES record for Karen Balestrieri was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Karen R Balestrieri, PNP-C · NPI 1437148236
Pediatrics physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since October 14, 2005.
## Identity
- **NPI:** 1437148236 (Entity type: Individual)
- **Enumerated:** October 14, 2005
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** RN237567 (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
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** June 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1437148236) · Data from the CMS NPPES public registry.