Sylvie Djoumessi, PMHNP-BC
NPI 1477321644 · Psychiatric/Mental Health Nurse Practitioner · Seattle, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sylvie Djoumessi, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Seattle, WA (NPI 1477321644).
Provider details
- NPI number
- 1477321644
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 1143503 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$673 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 5900 Balcones Dr # 12704Austin, TX 78731-4257Phone: (817) 230-3954
Registry dates
- Enumerated
- 2023-12-18
- Last updated
- 2025-04-28
- Certified
- 2025-04-28
Frequently asked questions
- What is Sylvie Djoumessi's NPI number?
- Sylvie Djoumessi's National Provider Identifier (NPI) is 1477321644, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvie Djoumessi's specialty?
- Sylvie Djoumessi is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sylvie Djoumessi located?
- Sylvie Djoumessi's practice location on file with NPPES is 101 Elliott Ave W Ste 500, Seattle, WA 98119-4292.
- What is Sylvie Djoumessi's phone number?
- The practice phone number listed in the NPPES registry for Sylvie Djoumessi is (425) 678-6463.
- Does Sylvie Djoumessi accept Medicare?
- Sylvie Djoumessi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sylvie Djoumessi's NPI active?
- Yes — Sylvie Djoumessi's NPI (1477321644) is active in the NPPES registry as of the last update on 2025-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.