Helene A. Emsellem, MD, PC
NPI 1689853756 · Sleep Disorder Diagnostic Clinic/Center · Chevy Chase, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Helene A. Emsellem, MD, PC is a Sleep Disorder Diagnostic Clinic/Center organization in Chevy Chase, MD (NPI 1689853756).
Provider details
- NPI number
- 1689853756
- Entity type
- Organization
- Primary specialty
- Sleep Disorder Diagnostic Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Sheila Roberson, Cco(480) 528-2609
Specialties & taxonomies
Ambulatory Health Care Facilities
Allopathic & Osteopathic Physicians
- Neurology Physician2084N0400X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- The Center for Sleep and Wake Disorders
Registry dates
- Enumerated
- 2007-10-25
- Last updated
- 2024-03-05
- Certified
- 2024-03-05
Frequently asked questions
- What is Helene A. Emsellem, MD, PC's NPI number?
- Helene A. Emsellem, MD, PC's National Provider Identifier (NPI) is 1689853756, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Helene A. Emsellem, MD, PC?
- Helene A. Emsellem, MD, PC is classified in the NPPES registry as Sleep Disorder Diagnostic Clinic/Center (Ambulatory Health Care Facilities).
- Where is Helene A. Emsellem, MD, PC located?
- Helene A. Emsellem, MD, PC's practice location on file with NPPES is 5454 Wisconsin Ave Ste 1335, Chevy Chase, MD 20815-6955.
- What is Helene A. Emsellem, MD, PC's phone number?
- The practice phone number listed in the NPPES registry for Helene A. Emsellem, MD, PC is (301) 654-0209.
- Does Helene A. Emsellem, MD, PC accept Medicare?
- Helene A. Emsellem, MD, PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Helene A. Emsellem, MD, PC?
- The authorized official listed on Helene A. Emsellem, MD, PC's NPPES record is Sheila Roberson, Cco. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Helene A. Emsellem, MD, PC's NPI active?
- Yes — Helene A. Emsellem, MD, PC's NPI (1689853756) is active in the NPPES registry as of the last update on 2024-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.