SHARA A KING FNP
NPI 1639714744
Nurse Practitioner - Family in Lowell, MA
About Shara A King Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHARA A KING FNP (NPI 1639714744) is an individual family provider in Lowell, Massachusetts, licensed in Massachusetts (RN2295434) and active in the NPI registry since November 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Shara A King Fnp 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 Shara King reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lowell, MA 01854
- Reassigned Medicare billing, Massachusetts enrollment
- 109 clinicians in this Medicare group
Chelmsford, MA 01824
- Reassigned Medicare billing, Massachusetts enrollment
- 58 clinicians in this Medicare group
Chelmsford, MA 01824
- Reassigned Medicare billing, Massachusetts enrollment
- 57 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01854 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
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.
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 Shara King's NPI number?
The NPI number for Shara King is 1639714744. It was assigned to this individual provider in the NPPES registry on November 12, 2019. The provider is also known as Shara Ann Costello Rn.
Where is Shara King located?
Shara King practices at 295 Varnum Ave, Lowell, MA 01854. The listed phone number is (978) 258-4734.
What is Shara King's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Shara King enrolled in Medicare?
Yes. Shara King 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 Shara King's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shara King reassigns Medicare benefits to 3 organizations: Lowell General Inpatient Specialists PLLC (Lowell, MA), Lawrence General Community Medical Service PLLC (Chelmsford, MA) and New England Community Medical Services PLLC (Chelmsford, 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 Shara King's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shara King accept?
Health plans from WellSense Health Plan list Shara King 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 Shara King was last updated on September 30, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Shara A King, FNP · NPI 1639714744
Family physician in Lowell, Massachusetts. Individual provider, active in the CMS NPPES registry since November 12, 2019.
## Identity
- **NPI:** 1639714744 (Entity type: Individual)
- **Enumerated:** November 12, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** RN2295434 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 295 VARNUM AVE, Lowell, MA 01854-2134
- **Phone:** (978) 258-4734
## 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): Lowell General Inpatient Specialists PLLC (NPI 1649626391, Lowell, MA); Lawrence General Community Medical Service PLLC (NPI 1174076418, Chelmsford, MA); New England Community Medical Services PLLC (NPI 1427376516, Chelmsford, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** September 30, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1639714744) · Data from the CMS NPPES public registry.