Katherine D. Siebert, F.N.P.
Nurse Practitioner · Arnold, MO
Katherine D. Siebert, F.N.P. is a nurse practitioner with a practice address in Arnold, Missouri, and NPI 1861585689, issued on Oct 2, 2006. Check the license (Missouri 063255, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine D. Siebert
- Credential
- F.N.P.
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 063255 MO
63255 MO
Self-reported in NPPES; status is on the state search - Practice location
- 3619 Richardson Square Dr., Arnold, MO 63010
- Phone
- (636) 717-6776
- Enumerated
- Oct 2, 2006
- Record last updated
- Mar 14, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (314) 525-4055
- Medicaid ID
- 428989305 MO
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,720 in Missouri → Look up another NPI →
Also registered at 3619 Richardson Square Dr.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheryl Ream, M.D.Family Medicine Physician1811989551
Verify Katherine D. Siebert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 063255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $13.96
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Katherine D. Siebert among 1,720 nurse practitioner records in Missouri
Katherine D. Siebert, F.N.P. is one of 1,720 nurse practitioner records with a practice address in Missouri. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 82% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2017 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 nurse practitioner records list a practice address in Arnold
They are 5 of the 665 NPPES records with a practice address in Arnold, and 1,720 nurse practitioner records in Missouri.
All 1,720 in Missouri → Every provider in Arnold → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Kristine Gonzalez, FNPArnold, MO 630101750791331
- Tracy Hasler, NPArnold, MO 630101336230499
- Michele Huff, ARNPArnold, MO 630101396916573
- Nancy Jasper, FNP-CArnold, MO 630101609246552
- Adrienne Barrow, FNP-CManchester, MO 630111881236248
- Courtney Brush, FNPBallwin, MO 630111366781734
- Breanna Dolan, FNP-CEllisville, MO 630111629549506
- David Draney, ARNPEllisville, MO 630111144471061
Common questions
What is Katherine D. Siebert, F.N.P.'s NPI number?
Katherine D. Siebert, F.N.P.'s National Provider Identifier (NPI) is 1861585689, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine D. Siebert, F.N.P. located?
The NPPES record lists a practice address at 3619 Richardson Square Dr., Arnold, MO, 63010. Phone: (636) 717-6776. Providers update this record themselves, so call before visiting.
How can I verify Katherine D. Siebert, F.N.P.'s license?
NPPES lists Missouri license number 063255, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.