GRACE STEBENNE FNP
NPI 1902229768
Nurse Practitioner - Family in Duarte, CA
About Grace Stebenne Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRACE STEBENNE FNP (NPI 1902229768) is an individual family provider in Duarte, California, licensed in California (95023193) and active in the NPI registry since January 2014. She is enrolled in Medicare PECOS, is affiliated with Winchester Hospital, and is a graduate of Other (2013).
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
Grace Stebenne 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
6Medicare enrollment records show Grace Stebenne reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 clinicians in this Medicare group
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- 477 clinicians in this Medicare group
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1063447316 (Massachusetts)
- 1,574 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 221 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 105 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 3
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.
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 91010 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.
DUARTE, CA 91010
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 Grace Stebenne's NPI number?
The NPI number for Grace Stebenne is 1902229768. It was assigned to this individual provider in the NPPES registry on January 30, 2014. The provider is also known as Grace Ndegwa.
Where is Grace Stebenne located?
Grace Stebenne practices at 1500 Duarte Rd, Duarte, CA 91010. The listed phone number is (626) 256-4673.
What is Grace Stebenne's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Grace Stebenne enrolled in Medicare?
Yes. Grace Stebenne 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 Grace Stebenne's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Stebenne reassigns Medicare benefits to 6 organizations: City Of Hope Medical Foundation (Duarte, CA), Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA), Beth Israel Lahey Health Specialty Care, Inc. (Burlington, MA), Lahey Clinic, Inc. (Burlington, MA), Winchester Physician Associates, Inc (Winchester, MA) and 1 more organization, listed in the Medicare section above. 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 Grace Stebenne's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grace Stebenne accept?
Health plans from Anthem Blue Cross and Blue Shield list Grace Stebenne 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 Grace Stebenne affiliated with any hospitals?
According to CMS data, Grace Stebenne is affiliated with Winchester Hospital.
When was this NPI record last updated?
The NPPES record for Grace Stebenne was last updated on November 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Grace Stebenne, FNP · NPI 1902229768
Family physician in Duarte, California. Individual provider, active in the CMS NPPES registry since January 30, 2014.
## Identity
- **NPI:** 1902229768 (Entity type: Individual)
- **Enumerated:** January 30, 2014
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95023193 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 DUARTE RD, Duarte, CA 91010-3012
- **Phone:** (626) 256-4673
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): City Of Hope Medical Foundation (NPI 1871886366, Duarte, CA); Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA); Beth Israel Lahey Health Specialty Care, Inc. (NPI 1427161660, Burlington, MA); Lahey Clinic, Inc. (NPI 1538194980, Burlington, MA); Winchester Physician Associates, Inc (NPI 1184606865, Winchester, MA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** November 21, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1902229768) · Data from the CMS NPPES public registry.