MR. CHRISTOPHER BART DEMEZIER WHNP
NPI 1275258683
Nurse Practitioner - Women's Health in Chevy Chase, MD
About Mr. Christopher Bart Demezier Whnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. CHRISTOPHER BART DEMEZIER WHNP (NPI 1275258683) is an individual women's health provider in Chevy Chase, Maryland, licensed in Maryland (R255953) and active in the NPI registry since October 2022. He is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
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
Mr. Christopher Bart Demezier Whnp 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 Christopher Demezier reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Silver Spring, MD 20901
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 107 clinicians in this Medicare group
Damascus, MD 20872
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 60 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20815 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHEVY CHASE, MD 20815
CHEVY CHASE, MD 20815
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 Christopher Demezier's NPI number?
The NPI number for Christopher Demezier is 1275258683. It was assigned to this individual provider in the NPPES registry on October 7, 2022.
Where is Christopher Demezier located?
Christopher Demezier practices at 5530 Wisconsin Ave Ste 1200, Chevy Chase, MD 20815. The listed phone number is (855) 729-2272.
What is Christopher Demezier's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.
Is Christopher Demezier enrolled in Medicare?
Yes. Christopher Demezier 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 Christopher Demezier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Demezier reassigns Medicare benefits to 2 organizations: Maryland Physicians Edge LLC (Silver Spring, MD) and Simmonds, Martin & Helmbrecht, LLC (Damascus, MD). 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 Christopher Demezier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Christopher Demezier was last updated on February 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mr. Christopher Bart Demezier, WHNP · NPI 1275258683
Women's Health physician in Chevy Chase, Maryland. Individual provider, active in the CMS NPPES registry since October 7, 2022.
## Identity
- **NPI:** 1275258683 (Entity type: Individual)
- **Enumerated:** October 7, 2022
- **Primary specialty:** Nurse Practitioner - Women's Health · taxonomy 363LW0102X
- **State license:** R255953 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5530 WISCONSIN AVE STE 1200, Chevy Chase, MD 20815-4301
- **Phone:** (855) 729-2272 · **Fax:** (202) 530-4173
## 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): Maryland Physicians Edge LLC (NPI 1972922920, Silver Spring, MD); Simmonds, Martin & Helmbrecht, LLC (NPI 1558411934, Damascus, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** February 6, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1275258683) · Data from the CMS NPPES public registry.