Katherine Siebert, F.N.P.
NPI 1861585689 · Nurse Practitioner · Arnold, MO
Katherine Siebert, F.N.P. is a Nurse Practitioner provider in Arnold, MO (NPI 1861585689).
Provider details
- NPI number
- 1861585689
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- F.N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 63255 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 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.
$14 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
- 2006-10-02
- Last updated
- 2017-03-14
Frequently asked questions
- What is Katherine Siebert's NPI number?
- Katherine Siebert's National Provider Identifier (NPI) is 1861585689, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Siebert's specialty?
- Katherine Siebert is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Siebert located?
- Katherine Siebert's practice location on file with NPPES is 3619 Richardson Square Dr., Arnold, MO 63010.
- What is Katherine Siebert's phone number?
- The practice phone number listed in the NPPES registry for Katherine Siebert is (636) 717-6776.
- Is Katherine Siebert's NPI active?
- Yes — Katherine Siebert's NPI (1861585689) is active in the NPPES registry as of the last update on 2017-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.