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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

EON CARE CLINICIANS OF CA, PC
NPI 1831919760
Nurse Practitioner in Germantown, MD

Active since October 15, 2024
20451 SENECA MEADOWS PKWY, GERMANTOWN, MD 20876(301) 515-7260(202) 478-5119 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 5, 2026, Mar 21, 2025 (2 updates tracked since 2025).

About Eon Care Clinicians Of Ca, Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

EON CARE CLINICIANS OF CA, PC (NPI 1831919760) is a healthcare organization registered as a nurse practitioner in Germantown, Maryland and active in the NPI registry since October 2024. The organization maintains a secondary practice location in Potomac and lists Alex Mhseni, Owner, as its authorized official.

NPPES Registry Identity

NPI1831919760
Entity TypeOrganization
Primary Taxonomy363L00000X
Legal Business NameEON CARE CLINICIANS OF CA, PC
Location Address20451 SENECA MEADOWS PKWYGermantown, MD 20876-7005
Mailing Address20451 Seneca Meadows PkwyGermantown, MD 20876-7005 · (301) 515-7260 · Fax (202) 478-5119
Phone(301) 515-7260
Fax(202) 478-5119
Organization SubpartNo
Authorized OfficialAlex MhseniOwner · (855) 679-2366
Enumeration DateOctober 15, 2024
Last NPPES UpdateOctober 5, 20262 updates tracked since enumeration
NPPES CertifiedOctober 5, 2026
✔ NPI 1831919760 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
20451 SENECA MEADOWS PKWY, Germantown, MD 20876
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Secondary Practice Location 1

Location 110811 Barn Wood LnPotomac, MD 20854-1329 · Phone (667) 218-3396

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Eon Care Clinicians Of Ca, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Eon Care Clinicians Of Ca, PC, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (4)

Lesley Fung, FNP
Nurse Practitioner
NPI 1518581917
200 MERCY CIR
Camp Pendleton, CA 92055
(760) 719-4035
✔ PECOS2,261 mi
Kimberly Sinclair, N.P.
Nurse Practitioner
NPI 1477828671
201 S BUENA VISTA ST SUITE #425
Burbank, CA 91505
(818) 848-8311
✔ PECOS2,288 mi
Lynn Coates-Leisen, MSN, APRN, FNP-C
Nurse Practitioner
NPI 1134523558
1429 E THOUSAND OAKS BLVD #108
Thousand Oaks, CA 91362
(805) 719-1700
✔ PECOS✔ Accepts Medicare2,315 mi
Marya Bolyanatz, FNP
Nurse Practitioner
NPI 1164415501
1250 PEACH STREET SUITE A
San Luis Obispo, CA 93401
(805) 543-4043
✔ PECOS2,385 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Eon Care Clinicians Of Ca, PC's NPI number?

The NPI number for Eon Care Clinicians Of Ca, PC is 1831919760. It was assigned to this organization in the NPPES registry on October 15, 2024.

Where is Eon Care Clinicians Of Ca, PC located?

Eon Care Clinicians Of Ca, PC is located at 20451 Seneca Meadows Pkwy, Germantown, MD 20876. The listed phone number is (301) 515-7260.

What is Eon Care Clinicians Of Ca, PC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Eon Care Clinicians Of Ca, PC enrolled in Medicare?

Yes. Eon Care Clinicians Of Ca, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Eon Care Clinicians Of Ca, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in Nurse Practitioner, reassign their Medicare billing to Eon Care Clinicians Of Ca, PC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Eon Care Clinicians Of Ca, PC 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 17 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.