Yvonne Horneffer, NP
NPI 1659529204 · Adult Health Nurse Practitioner · Bethesda, MD
Yvonne Horneffer, NP is a Adult Health Nurse Practitioner provider in Bethesda, MD (NPI 1659529204).
Provider details
- NPI number
- 1659529204
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- AC000137 (MD)
Specialties & taxonomies
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
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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.
$60 across 1 record (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
Registry dates
- Enumerated
- 2008-09-08
- Last updated
- 2008-09-08
Frequently asked questions
- What is Yvonne Horneffer's NPI number?
- Yvonne Horneffer's National Provider Identifier (NPI) is 1659529204, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yvonne Horneffer's specialty?
- Yvonne Horneffer is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Yvonne Horneffer located?
- Yvonne Horneffer's practice location on file with NPPES is 10 Center Dr Bldg 10 Rm 13n214, Bethesda, MD 20892-0001.
- What is Yvonne Horneffer's phone number?
- The practice phone number listed in the NPPES registry for Yvonne Horneffer is (301) 496-7955.
- Is Yvonne Horneffer's NPI active?
- Yes — Yvonne Horneffer's NPI (1659529204) is active in the NPPES registry as of the last update on 2008-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.