SHAYLA LYN NEFFENDORF FNP-C
NPI 1013315423
Nurse Practitioner - Family in Charlestown, MA
About Shayla Lyn Neffendorf Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHAYLA LYN NEFFENDORF FNP-C (NPI 1013315423) is an individual family provider in Charlestown, Massachusetts, licensed in Massachusetts (RN2284047) and active in the NPI registry since December 2014. She is enrolled in Medicare PECOS, is affiliated with Winchester Hospital, and maintains a secondary practice location in Burlington.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Shayla Lyn Neffendorf Fnp-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.
Medicare Billing Reassignments
2Medicare enrollment records show Shayla Neffendorf 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 enrollment
- Also billed through NPI 1063447316 (Massachusetts)
- 1,574 clinicians in this Medicare group
Wilmington, MA 01887
- Reassigned Medicare billing, Massachusetts enrollment
- 3 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.
Winchester Hospital
Acute Care Hospitals · Winchester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02129 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.
CHARLESTOWN, MA 02129
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 Shayla Neffendorf's NPI number?
The NPI number for Shayla Neffendorf is 1013315423. It was assigned to this individual provider in the NPPES registry on December 17, 2014. The provider is also known as Shayla Callahan.
Where is Shayla Neffendorf located?
Shayla Neffendorf practices at 529 Main St Suite 216, Charlestown, MA 02129. The listed phone number is (617) 600-3195.
What is Shayla Neffendorf's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Shayla Neffendorf enrolled in Medicare?
Yes. Shayla Neffendorf 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 Shayla Neffendorf's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shayla Neffendorf reassigns Medicare benefits to 2 organizations: Lahey Clinic, Inc. (Burlington, MA) and Rheumatology And Internal Medicine Associates, PC (Wilmington, 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 Shayla Neffendorf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shayla Neffendorf accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Shayla Neffendorf 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 Shayla Neffendorf affiliated with any hospitals?
According to CMS data, Shayla Neffendorf is affiliated with Winchester Hospital.
When was this NPI record last updated?
The NPPES record for Shayla Neffendorf was last updated on September 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Shayla Lyn Neffendorf, FNP-C · NPI 1013315423
Family physician in Charlestown, Massachusetts. Individual provider, active in the CMS NPPES registry since December 17, 2014.
## Identity
- **NPI:** 1013315423 (Entity type: Individual)
- **Enumerated:** December 17, 2014
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** RN2284047 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 529 MAIN ST, SUITE 216, Charlestown, MA 02129-1125
- **Phone:** (617) 600-3195
## 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); Rheumatology And Internal Medicine Associates, PC (NPI 1386754588, Wilmington, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** September 25, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1013315423) · Data from the CMS NPPES public registry.