Hayley C. Ott, FNP
Family Nurse Practitioner · Saint Louis, MO
Hayley C. Ott, FNP is a family nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1346920006, issued on Jul 18, 2023. Check the license (Missouri 2023014676, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hayley C. Ott
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2023014676 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1020 N Mason RD, Saint Louis, MO 63141
- Phone
- (314) 747-1206
- Enumerated
- Jul 18, 2023
- Record last updated
- Apr 17, 2025
- Fax
- (314) 362-9851
- Medicaid ID
- 420141551 MO
- Medicare enrollment
- Enrolled (PECOS I20240709003982); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 2022
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,226 in Missouri → Look up another NPI →
Also registered at 1020 N Mason RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Meghan Bezaire, FNPFamily Nurse Practitioner1952828584
- Neil Ermitano, DPMPodiatrist1649620634
- Nathan Frogge, MDInterventional Cardiology Physician1982017943
- Farhan Katchi, MDCardiovascular Disease Physician1396031225
- Kory Lavine, MDAdvanced Heart Failure and Transplant Cardiology Physician1295990315
- Christian McNeely, MDInterventional Cardiology Physician1720469851
Verify Hayley C. Ott in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2023014676Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family nurse practitioner in 2024
157 Medicare Part D claims for 50 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Hyclate44 claims
- Amoxicillin-Clavulanate Potass41 claims
- Ciprofloxacin Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $153.99
2 payments; by number, the most common kind was education; the largest payer was Astellas Pharma US Inc. The 99,489 providers of this specialty with any payment received $650.95 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.
Bills Medicare through one group practice
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hayley C. Ott among 5,226 family nurse practitioner records in Missouri
Hayley C. Ott, FNP is one of 5,226 family nurse practitioner records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 84% of them.
- NPI issued2023 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2022 · median 2018 among the 3,339 with a school on file
- Record last updated2025 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
714 family nurse practitioner records list a practice address in Saint Louis
They are 714 of the 27,605 NPPES records with a practice address in Saint Louis, and 5,226 family nurse practitioner records in Missouri.
All 5,226 in Missouri → Every provider in Saint Louis → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Sara Beck, FNPSaint Louis, MO 631411114257607
- Lisa Burgard, F.N.P.Saint Louis, MO 631411790723120
- Brenda Bush, NP-CSaint Louis, MO 631411316192610
- Paula Haugen, NP-CSt Louis, MO 631411154654416
- Lisa Kinsey, FNPSaint Louis, MO 631411760673404
- Jeanette Montgomery, C.N.P.Saint Louis, MO 631411811972060
- Sarah OsdieckSaint Louis, MO 631411316274905
- Rachel Phillips Barnidge, NURSE PRACTRIONERSaint Louis, MO 631411285785121
Common questions
What is Hayley C. Ott, FNP's NPI number?
Hayley C. Ott, FNP's National Provider Identifier (NPI) is 1346920006, issued on Jul 18, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Hayley C. Ott, FNP located?
The NPPES record lists a practice address at 1020 N Mason RD, Saint Louis, MO, 63141. Phone: (314) 747-1206. Providers update this record themselves, so call before visiting.
How can I verify Hayley C. Ott, FNP's license?
NPPES lists Missouri license number 2023014676, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Hayley C. Ott, FNP prescribe under Medicare Part D?
In 2024, Hayley C. Ott, FNP had 157 Medicare Part D claims for 50 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.